/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.broker;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.UnknownHostException;
import java.security.Provider;
import java.security.Security;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicLong;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;

import org.apache.activemq.ActiveMQConnectionMetaData;
import org.apache.activemq.ConfigurationException;
import org.apache.activemq.Service;
import org.apache.activemq.advisory.AdvisoryBroker;
import org.apache.activemq.broker.cluster.ConnectionSplitBroker;
import org.apache.activemq.broker.jmx.AnnotatedMBean;
import org.apache.activemq.broker.jmx.BrokerMBeanSupport;
import org.apache.activemq.broker.jmx.BrokerView;
import org.apache.activemq.broker.jmx.ConnectorView;
import org.apache.activemq.broker.jmx.ConnectorViewMBean;
import org.apache.activemq.broker.jmx.HealthView;
import org.apache.activemq.broker.jmx.HealthViewMBean;
import org.apache.activemq.broker.jmx.JmsConnectorView;
import org.apache.activemq.broker.jmx.JobSchedulerView;
import org.apache.activemq.broker.jmx.JobSchedulerViewMBean;
import org.apache.activemq.broker.jmx.Log4JConfigView;
import org.apache.activemq.broker.jmx.ManagedRegionBroker;
import org.apache.activemq.broker.jmx.ManagementContext;
import org.apache.activemq.broker.jmx.NetworkConnectorView;
import org.apache.activemq.broker.jmx.NetworkConnectorViewMBean;
import org.apache.activemq.broker.jmx.ProxyConnectorView;
import org.apache.activemq.broker.region.CompositeDestinationInterceptor;
import org.apache.activemq.broker.region.Destination;
import org.apache.activemq.broker.region.DestinationFactory;
import org.apache.activemq.broker.region.DestinationFactoryImpl;
import org.apache.activemq.broker.region.DestinationInterceptor;
import org.apache.activemq.broker.region.RegionBroker;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.broker.region.virtual.MirroredQueue;
import org.apache.activemq.broker.region.virtual.VirtualDestination;
import org.apache.activemq.broker.region.virtual.VirtualDestinationInterceptor;
import org.apache.activemq.broker.region.virtual.VirtualTopic;
import org.apache.activemq.broker.scheduler.JobSchedulerStore;
import org.apache.activemq.broker.scheduler.SchedulerBroker;
import org.apache.activemq.broker.scheduler.memory.InMemoryJobSchedulerStore;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.apache.activemq.command.BrokerId;
import org.apache.activemq.command.ProducerInfo;
import org.apache.activemq.filter.DestinationFilter;
import org.apache.activemq.network.ConnectionFilter;
import org.apache.activemq.network.DiscoveryNetworkConnector;
import org.apache.activemq.network.NetworkConnector;
import org.apache.activemq.network.jms.JmsConnector;
import org.apache.activemq.openwire.OpenWireFormat;
import org.apache.activemq.proxy.ProxyConnector;
import org.apache.activemq.security.MessageAuthorizationPolicy;
import org.apache.activemq.selector.SelectorParser;
import org.apache.activemq.store.JournaledStore;
import org.apache.activemq.store.PListStore;
import org.apache.activemq.store.PersistenceAdapter;
import org.apache.activemq.store.PersistenceAdapterFactory;
import org.apache.activemq.store.memory.MemoryPersistenceAdapter;
import org.apache.activemq.thread.Scheduler;
import org.apache.activemq.thread.TaskRunnerFactory;
import org.apache.activemq.transport.TransportFactorySupport;
import org.apache.activemq.transport.TransportServer;
import org.apache.activemq.transport.vm.VMTransportFactory;
import org.apache.activemq.usage.SystemUsage;
import org.apache.activemq.util.BrokerSupport;
import org.apache.activemq.util.DefaultIOExceptionHandler;
import org.apache.activemq.util.IOExceptionHandler;
import org.apache.activemq.util.IOExceptionSupport;
import org.apache.activemq.util.IOHelper;
import org.apache.activemq.util.InetAddressUtil;
import org.apache.activemq.util.ServiceStopper;
import org.apache.activemq.util.ThreadPoolUtils;
import org.apache.activemq.util.TimeUtils;
import org.apache.activemq.util.URISupport;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;

/**
 * Manages the life-cycle of an ActiveMQ Broker. A BrokerService consists of a
 * number of transport connectors, network connectors and a bunch of properties
 * which can be used to configure the broker as its lazily created.
 *
 * @org.apache.xbean.XBean
 */
public class BrokerService implements Service {
    public static final String DEFAULT_PORT = "61616";
    public static final String LOCAL_HOST_NAME;
    public static final String BROKER_VERSION;
    public static final String DEFAULT_BROKER_NAME = "localhost";
    public static final int DEFAULT_MAX_FILE_LENGTH = 1024 * 1024 * 32;
    public static final long DEFAULT_START_TIMEOUT = 600000L;

    private static final Logger LOG = LoggerFactory.getLogger(BrokerService.class);

    @SuppressWarnings("unused")
    private static final long serialVersionUID = 7353129142305630237L;

    private boolean useJmx = true;
    private boolean enableStatistics = true;
    private boolean persistent = true;
    private boolean populateJMSXUserID;
    private boolean useAuthenticatedPrincipalForJMSXUserID;
    private boolean populateUserNameInMBeans;
    private long mbeanInvocationTimeout = 0;

    private boolean useShutdownHook = true;
    private boolean useLoggingForShutdownErrors;
    private boolean shutdownOnMasterFailure;
    private boolean shutdownOnSlaveFailure;
    private boolean waitForSlave;
    private long waitForSlaveTimeout = DEFAULT_START_TIMEOUT;
    private boolean passiveSlave;
    private String brokerName = DEFAULT_BROKER_NAME;
    private File dataDirectoryFile;
    private File tmpDataDirectory;
    private Broker broker;
    private BrokerView adminView;
    private ManagementContext managementContext;
    private ObjectName brokerObjectName;
    private TaskRunnerFactory taskRunnerFactory;
    private TaskRunnerFactory persistenceTaskRunnerFactory;
    private SystemUsage systemUsage;
    private SystemUsage producerSystemUsage;
    private SystemUsage consumerSystemUsaage;
    private PersistenceAdapter persistenceAdapter;
    private PersistenceAdapterFactory persistenceFactory;
    protected DestinationFactory destinationFactory;
    private MessageAuthorizationPolicy messageAuthorizationPolicy;
    private final List<TransportConnector> transportConnectors = new CopyOnWriteArrayList<TransportConnector>();
    private final List<NetworkConnector> networkConnectors = new CopyOnWriteArrayList<NetworkConnector>();
    private final List<ProxyConnector> proxyConnectors = new CopyOnWriteArrayList<ProxyConnector>();
    private final List<JmsConnector> jmsConnectors = new CopyOnWriteArrayList<JmsConnector>();
    private final List<Service> services = new ArrayList<Service>();
    private transient Thread shutdownHook;
    private String[] transportConnectorURIs;
    private String[] networkConnectorURIs;
    private JmsConnector[] jmsBridgeConnectors; // these are Jms to Jms bridges
    // to other jms messaging systems
    private boolean deleteAllMessagesOnStartup;
    private boolean advisorySupport = true;
    private URI vmConnectorURI;
    private String defaultSocketURIString;
    private PolicyMap destinationPolicy;
    private final AtomicBoolean started = new AtomicBoolean(false);
    private final AtomicBoolean stopped = new AtomicBoolean(false);
    private final AtomicBoolean stopping = new AtomicBoolean(false);
    private BrokerPlugin[] plugins;
    private boolean keepDurableSubsActive = true;
    private boolean useVirtualTopics = true;
    private boolean useMirroredQueues = false;
    private boolean useTempMirroredQueues = true;
    private BrokerId brokerId;
    private volatile DestinationInterceptor[] destinationInterceptors;
    private ActiveMQDestination[] destinations;
    private PListStore tempDataStore;
    private int persistenceThreadPriority = Thread.MAX_PRIORITY;
    private boolean useLocalHostBrokerName;
    private final CountDownLatch stoppedLatch = new CountDownLatch(1);
    private final CountDownLatch startedLatch = new CountDownLatch(1);
    private boolean supportFailOver;
    private Broker regionBroker;
    private int producerSystemUsagePortion = 60;
    private int consumerSystemUsagePortion = 40;
    private boolean splitSystemUsageForProducersConsumers;
    private boolean monitorConnectionSplits = false;
    private int taskRunnerPriority = Thread.NORM_PRIORITY;
    private boolean dedicatedTaskRunner;
    private boolean cacheTempDestinations = false;// useful for failover
    private int timeBeforePurgeTempDestinations = 5000;
    private final List<Runnable> shutdownHooks = new ArrayList<Runnable>();
    private boolean systemExitOnShutdown;
    private int systemExitOnShutdownExitCode;
    private SslContext sslContext;
    private boolean forceStart = false;
    private IOExceptionHandler ioExceptionHandler;
    private boolean schedulerSupport = false;
    private File schedulerDirectoryFile;
    private Scheduler scheduler;
    private ThreadPoolExecutor executor;
    private int schedulePeriodForDestinationPurge= 0;
    private int maxPurgedDestinationsPerSweep = 0;
    private BrokerContext brokerContext;
    private boolean networkConnectorStartAsync = false;
    private boolean allowTempAutoCreationOnSend;
    private JobSchedulerStore jobSchedulerStore;
    private final AtomicLong totalConnections = new AtomicLong();
    private final AtomicInteger currentConnections = new AtomicInteger();

    private long offlineDurableSubscriberTimeout = -1;
    private long offlineDurableSubscriberTaskSchedule = 300000;
    private DestinationFilter virtualConsumerDestinationFilter;

    private final Object persistenceAdapterLock = new Object();
    private Throwable startException = null;
    private boolean startAsync = false;
    private Date startDate;
    private boolean slave = true;

    private boolean restartAllowed = true;
    private boolean restartRequested = false;

    private int storeOpenWireVersion = OpenWireFormat.DEFAULT_VERSION;

    static {

        try {
            ClassLoader loader = BrokerService.class.getClassLoader();
            Class<?> clazz = loader.loadClass("org.bouncycastle.jce.provider.BouncyCastleProvider");
            Provider bouncycastle = (Provider) clazz.newInstance();
            Security.insertProviderAt(bouncycastle, 2);
            LOG.info("Loaded the Bouncy Castle security provider.");
        } catch(Throwable e) {
            // No BouncyCastle found so we use the default Java Security Provider
        }

        String localHostName = "localhost";
        try {
            localHostName =  InetAddressUtil.getLocalHostName();
        } catch (UnknownHostException e) {
            LOG.error("Failed to resolve localhost");
        }
        LOCAL_HOST_NAME = localHostName;

        InputStream in = null;
        String version = null;
        if ((in = BrokerService.class.getResourceAsStream("/org/apache/activemq/version.txt")) != null) {
            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
            try {
                version = reader.readLine();
            } catch(Exception e) {
            }
        }
        BROKER_VERSION = version;
    }

    @Override
    public String toString() {
        return "BrokerService[" + getBrokerName() + "]";
    }

    private String getBrokerVersion() {
        String version = ActiveMQConnectionMetaData.PROVIDER_VERSION;
        if (version == null) {
            version = BROKER_VERSION;
        }

        return version;
    }

    /**
     * Adds a new transport connector for the given bind address
     *
     * @return the newly created and added transport connector
     * @throws Exception
     */
    public TransportConnector addConnector(String bindAddress) throws Exception {
        return addConnector(new URI(bindAddress));
    }

    /**
     * Adds a new transport connector for the given bind address
     *
     * @return the newly created and added transport connector
     * @throws Exception
     */
    public TransportConnector addConnector(URI bindAddress) throws Exception {
        return addConnector(createTransportConnector(bindAddress));
    }

    /**
     * Adds a new transport connector for the given TransportServer transport
     *
     * @return the newly created and added transport connector
     * @throws Exception
     */
    public TransportConnector addConnector(TransportServer transport) throws Exception {
        return addConnector(new TransportConnector(transport));
    }

    /**
     * Adds a new transport connector
     *
     * @return the transport connector
     * @throws Exception
     */
    public TransportConnector addConnector(TransportConnector connector) throws Exception {
        transportConnectors.add(connector);
        return connector;
    }

    /**
     * Stops and removes a transport connector from the broker.
     *
     * @param connector
     * @return true if the connector has been previously added to the broker
     * @throws Exception
     */
    public boolean removeConnector(TransportConnector connector) throws Exception {
        boolean rc = transportConnectors.remove(connector);
        if (rc) {
            unregisterConnectorMBean(connector);
        }
        return rc;
    }

    /**
     * Adds a new network connector using the given discovery address
     *
     * @return the newly created and added network connector
     * @throws Exception
     */
    public NetworkConnector addNetworkConnector(String discoveryAddress) throws Exception {
        return addNetworkConnector(new URI(discoveryAddress));
    }

    /**
     * Adds a new proxy connector using the given bind address
     *
     * @return the newly created and added network connector
     * @throws Exception
     */
    public ProxyConnector addProxyConnector(String bindAddress) throws Exception {
        return addProxyConnector(new URI(bindAddress));
    }

    /**
     * Adds a new network connector using the given discovery address
     *
     * @return the newly created and added network connector
     * @throws Exception
     */
    public NetworkConnector addNetworkConnector(URI discoveryAddress) throws Exception {
        NetworkConnector connector = new DiscoveryNetworkConnector(discoveryAddress);
        return addNetworkConnector(connector);
    }

    /**
     * Adds a new proxy connector using the given bind address
     *
     * @return the newly created and added network connector
     * @throws Exception
     */
    public ProxyConnector addProxyConnector(URI bindAddress) throws Exception {
        ProxyConnector connector = new ProxyConnector();
        connector.setBind(bindAddress);
        connector.setRemote(new URI("fanout:multicast://default"));
        return addProxyConnector(connector);
    }

    /**
     * Adds a new network connector to connect this broker to a federated
     * network
     */
    public NetworkConnector addNetworkConnector(NetworkConnector connector) throws Exception {
        connector.setBrokerService(this);
        URI uri = getVmConnectorURI();
        Map<String, String> map = new HashMap<String, String>(URISupport.parseParameters(uri));
        map.put("network", "true");
        uri = URISupport.createURIWithQuery(uri, URISupport.createQueryString(map));
        connector.setLocalUri(uri);
        // Set a connection filter so that the connector does not establish loop
        // back connections.
        connector.setConnectionFilter(new ConnectionFilter() {
            @Override
            public boolean connectTo(URI location) {
                List<TransportConnector> transportConnectors = getTransportConnectors();
                for (Iterator<TransportConnector> iter = transportConnectors.iterator(); iter.hasNext();) {
                    try {
                        TransportConnector tc = iter.next();
                        if (location.equals(tc.getConnectUri())) {
                            return false;
                        }
                    } catch (Throwable e) {
                    }
                }
                return true;
            }
        });
        networkConnectors.add(connector);
        return connector;
    }

    /**
     * Removes the given network connector without stopping it. The caller
     * should call {@link NetworkConnector#stop()} to close the connector
     */
    public boolean removeNetworkConnector(NetworkConnector connector) {
        boolean answer = networkConnectors.remove(connector);
        if (answer) {
            unregisterNetworkConnectorMBean(connector);
        }
        return answer;
    }

    public ProxyConnector addProxyConnector(ProxyConnector connector) throws Exception {
        URI uri = getVmConnectorURI();
        connector.setLocalUri(uri);
        proxyConnectors.add(connector);
        if (isUseJmx()) {
            registerProxyConnectorMBean(connector);
        }
        return connector;
    }

    public JmsConnector addJmsConnector(JmsConnector connector) throws Exception {
        connector.setBrokerService(this);
        jmsConnectors.add(connector);
        if (isUseJmx()) {
            registerJmsConnectorMBean(connector);
        }
        return connector;
    }

    public JmsConnector removeJmsConnector(JmsConnector connector) {
        if (jmsConnectors.remove(connector)) {
            return connector;
        }
        return null;
    }

    public void masterFailed() {
        if (shutdownOnMasterFailure) {
            LOG.error("The Master has failed ... shutting down");
            try {
                stop();
            } catch (Exception e) {
                LOG.error("Failed to stop for master failure", e);
            }
        } else {
            LOG.warn("Master Failed - starting all connectors");
            try {
                startAllConnectors();
                broker.nowMasterBroker();
            } catch (Exception e) {
                LOG.error("Failed to startAllConnectors", e);
            }
        }
    }

    public String getUptime() {
        long delta = getUptimeMillis();

        if (delta == 0) {
            return "not started";
        }

        return TimeUtils.printDuration(delta);
    }

    public long getUptimeMillis() {
        if (startDate == null) {
            return 0;
        }

        return new Date().getTime() - startDate.getTime();
    }

    public boolean isStarted() {
        return started.get() && startedLatch.getCount() == 0;
    }

    /**
     * Forces a start of the broker.
     * By default a BrokerService instance that was
     * previously stopped using BrokerService.stop() cannot be restarted
     * using BrokerService.start().
     * This method enforces a restart.
     * It is not recommended to force a restart of the broker and will not work
     * for most but some very trivial broker configurations.
     * For restarting a broker instance we recommend to first call stop() on
     * the old instance and then recreate a new BrokerService instance.
     *
     * @param force - if true enforces a restart.
     * @throws Exception
     */
    public void start(boolean force) throws Exception {
        forceStart = force;
        stopped.set(false);
        started.set(false);
        start();
    }

    // Service interface
    // -------------------------------------------------------------------------

    protected boolean shouldAutostart() {
        return true;
    }

    /**
     * JSR-250 callback wrapper; converts checked exceptions to runtime exceptions
     *
     * delegates to autoStart, done to prevent backwards incompatible signature change
     */
    @PostConstruct
    private void postConstruct() {
        try {
            autoStart();
        } catch (Exception ex) {
            throw new RuntimeException(ex);
        }
    }

    /**
     *
     * @throws Exception
     * @org. apache.xbean.InitMethod
     */
    public void autoStart() throws Exception {
        if(shouldAutostart()) {
            start();
        }
    }

    @Override
    public void start() throws Exception {
        if (stopped.get() || !started.compareAndSet(false, true)) {
            // lets just ignore redundant start() calls
            // as its way too easy to not be completely sure if start() has been
            // called or not with the gazillion of different configuration
            // mechanisms
            // throw new IllegalStateException("Already started.");
            return;
        }

        stopping.set(false);
        startDate = new Date();
        MDC.put("activemq.broker", brokerName);

        try {
            if (systemExitOnShutdown && useShutdownHook) {
                throw new ConfigurationException("'useShutdownHook' property cannot be be used with 'systemExitOnShutdown', please turn it off (useShutdownHook=false)");
            }
            processHelperProperties();
            if (isUseJmx()) {
                // need to remove MDC during starting JMX, as that would otherwise causes leaks, as spawned threads inheirt the MDC and
                // we cannot cleanup clear that during shutdown of the broker.
                MDC.remove("activemq.broker");
                try {
                    startManagementContext();
                    for (NetworkConnector connector : getNetworkConnectors()) {
                        registerNetworkConnectorMBean(connector);
                    }
                } finally {
                    MDC.put("activemq.broker", brokerName);
                }
            }

            // in jvm master slave, lets not publish over existing broker till we get the lock
            final BrokerRegistry brokerRegistry = BrokerRegistry.getInstance();
            if (brokerRegistry.lookup(getBrokerName()) == null) {
                brokerRegistry.bind(getBrokerName(), BrokerService.this);
            }
            startPersistenceAdapter(startAsync);
            startBroker(startAsync);
            brokerRegistry.bind(getBrokerName(), BrokerService.this);
        } catch (Exception e) {
            LOG.error("Failed to start Apache ActiveMQ ({}, {})", new Object[]{ getBrokerName(), brokerId }, e);
            try {
                if (!stopped.get()) {
                    stop();
                }
            } catch (Exception ex) {
                LOG.warn("Failed to stop broker after failure in start. This exception will be ignored.", ex);
            }
            throw e;
        } finally {
            MDC.remove("activemq.broker");
        }
    }

    private void startPersistenceAdapter(boolean async) throws Exception {
        if (async) {
            new Thread("Persistence Adapter Starting Thread") {
                @Override
                public void run() {
                    try {
                        doStartPersistenceAdapter();
                    } catch (Throwable e) {
                        startException = e;
                    } finally {
                        synchronized (persistenceAdapterLock) {
                            persistenceAdapterLock.notifyAll();
                        }
                    }
                }
            }.start();
        } else {
            doStartPersistenceAdapter();
        }
    }

    private void doStartPersistenceAdapter() throws Exception {
        getPersistenceAdapter().setUsageManager(getProducerSystemUsage());
        getPersistenceAdapter().setBrokerName(getBrokerName());
        LOG.info("Using Persistence Adapter: {}", getPersistenceAdapter());
        if (deleteAllMessagesOnStartup) {
            deleteAllMessages();
        }
        getPersistenceAdapter().start();
    }

    private void startBroker(boolean async) throws Exception {
        if (async) {
            new Thread("Broker Starting Thread") {
                @Override
                public void run() {
                    try {
                        synchronized (persistenceAdapterLock) {
                            persistenceAdapterLock.wait();
                        }
                        doStartBroker();
                    } catch (Throwable t) {
                        startException = t;
                    }
                }
            }.start();
        } else {
            doStartBroker();
        }
    }

    private void doStartBroker() throws Exception {
        if (startException != null) {
            return;
        }
        startDestinations();
        addShutdownHook();

        broker = getBroker();
        brokerId = broker.getBrokerId();

        // need to log this after creating the broker so we have its id and name
        LOG.info("Apache ActiveMQ {} ({}, {}) is starting", new Object[]{ getBrokerVersion(), getBrokerName(), brokerId });
        broker.start();

        if (isUseJmx()) {
            if (getManagementContext().isCreateConnector() && !getManagementContext().isConnectorStarted()) {
                // try to restart management context
                // typical for slaves that use the same ports as master
                managementContext.stop();
                startManagementContext();
            }
            ManagedRegionBroker managedBroker = (ManagedRegionBroker) regionBroker;
            managedBroker.setContextBroker(broker);
            adminView.setBroker(managedBroker);
        }

        if (ioExceptionHandler == null) {
            setIoExceptionHandler(new DefaultIOExceptionHandler());
        }

        if (isUseJmx() && Log4JConfigView.isLog4JAvailable()) {
            ObjectName objectName = BrokerMBeanSupport.createLog4JConfigViewName(getBrokerObjectName().toString());
            Log4JConfigView log4jConfigView = new Log4JConfigView();
            AnnotatedMBean.registerMBean(getManagementContext(), log4jConfigView, objectName);
        }

        startAllConnectors();

        LOG.info("Apache ActiveMQ {} ({}, {}) started", new Object[]{ getBrokerVersion(), getBrokerName(), brokerId});
        LOG.info("For help or more information please see: http://activemq.apache.org");

        getBroker().brokerServiceStarted();
        checkSystemUsageLimits();
        startedLatch.countDown();
        getBroker().nowMasterBroker();
    }

    /**
     * JSR-250 callback wrapper; converts checked exceptions to runtime exceptions
     *
     * delegates to stop, done to prevent backwards incompatible signature change
     */
    @PreDestroy
    private void preDestroy () {
        try {
            stop();
        } catch (Exception ex) {
            throw new RuntimeException();
        }
    }

    /**
     *
     * @throws Exception
     * @org.apache .xbean.DestroyMethod
     */
    @Override
    public void stop() throws Exception {
        if (!stopping.compareAndSet(false, true)) {
            LOG.trace("Broker already stopping/stopped");
            return;
        }

        MDC.put("activemq.broker", brokerName);

        if (systemExitOnShutdown) {
            new Thread() {
                @Override
                public void run() {
                    System.exit(systemExitOnShutdownExitCode);
                }
            }.start();
        }

        LOG.info("Apache ActiveMQ {} ({}, {}) is shutting down", new Object[]{ getBrokerVersion(), getBrokerName(), brokerId} );

        removeShutdownHook();
        if (this.scheduler != null) {
            this.scheduler.stop();
            this.scheduler = null;
        }
        ServiceStopper stopper = new ServiceStopper();
        if (services != null) {
            for (Service service : services) {
                stopper.stop(service);
            }
        }
        stopAllConnectors(stopper);
        this.slave = true;
        // remove any VMTransports connected
        // this has to be done after services are stopped,
        // to avoid timing issue with discovery (spinning up a new instance)
        BrokerRegistry.getInstance().unbind(getBrokerName());
        VMTransportFactory.stopped(getBrokerName());
        if (broker != null) {
            stopper.stop(broker);
            broker = null;
        }

        if (jobSchedulerStore != null) {
            jobSchedulerStore.stop();
            jobSchedulerStore = null;
        }
        if (tempDataStore != null) {
            tempDataStore.stop();
            tempDataStore = null;
        }
        try {
            stopper.stop(persistenceAdapter);
            persistenceAdapter = null;
            if (isUseJmx()) {
                stopper.stop(getManagementContext());
                managementContext = null;
            }
            // Clear SelectorParser cache to free memory
            SelectorParser.clearCache();
        } finally {
            started.set(false);
            stopped.set(true);
            stoppedLatch.countDown();
        }

        if (this.taskRunnerFactory != null) {
            this.taskRunnerFactory.shutdown();
            this.taskRunnerFactory = null;
        }
        if (this.executor != null) {
            ThreadPoolUtils.shutdownNow(executor);
            this.executor = null;
        }

        this.destinationInterceptors = null;
        this.destinationFactory = null;

        if (startDate != null) {
            LOG.info("Apache ActiveMQ {} ({}, {}) uptime {}", new Object[]{ getBrokerVersion(), getBrokerName(), brokerId, getUptime()});
        }
        LOG.info("Apache ActiveMQ {} ({}, {}) is shutdown", new Object[]{ getBrokerVersion(), getBrokerName(), brokerId});

        synchronized (shutdownHooks) {
            for (Runnable hook : shutdownHooks) {
                try {
                    hook.run();
                } catch (Throwable e) {
                    stopper.onException(hook, e);
                }
            }
        }

        MDC.remove("activemq.broker");

        // and clear start date
        startDate = null;

        stopper.throwFirstException();
    }

    public boolean checkQueueSize(String queueName) {
        long count = 0;
        long queueSize = 0;
        Map<ActiveMQDestination, Destination> destinationMap = regionBroker.getDestinationMap();
        for (Map.Entry<ActiveMQDestination, Destination> entry : destinationMap.entrySet()) {
            if (entry.getKey().isQueue()) {
                if (entry.getValue().getName().matches(queueName)) {
                    queueSize = entry.getValue().getDestinationStatistics().getMessages().getCount();
                    count += queueSize;
                    if (queueSize > 0) {
                        LOG.info("Queue has pending message: {} queueSize is: {}", entry.getValue().getName(), queueSize);
                    }
                }
            }
        }
        return count == 0;
    }

    /**
     * This method (both connectorName and queueName are using regex to match)
     * 1. stop the connector (supposed the user input the connector which the
     * clients connect to) 2. to check whether there is any pending message on
     * the queues defined by queueName 3. supposedly, after stop the connector,
     * client should failover to other broker and pending messages should be
     * forwarded. if no pending messages, the method finally call stop to stop
     * the broker.
     *
     * @param connectorName
     * @param queueName
     * @param timeout
     * @param pollInterval
     * @throws Exception
     */
    public void stopGracefully(String connectorName, String queueName, long timeout, long pollInterval) throws Exception {
        if (isUseJmx()) {
            if (connectorName == null || queueName == null || timeout <= 0) {
                throw new Exception(
                        "connectorName and queueName cannot be null and timeout should be >0 for stopGracefully.");
            }
            if (pollInterval <= 0) {
                pollInterval = 30;
            }
            LOG.info("Stop gracefully with connectorName: {} queueName: {} timeout: {} pollInterval: {}", new Object[]{
                    connectorName, queueName, timeout, pollInterval
            });
            TransportConnector connector;
            for (int i = 0; i < transportConnectors.size(); i++) {
                connector = transportConnectors.get(i);
                if (connector != null && connector.getName() != null && connector.getName().matches(connectorName)) {
                    connector.stop();
                }
            }
            long start = System.currentTimeMillis();
            while (System.currentTimeMillis() - start < timeout * 1000) {
                // check quesize until it gets zero
                if (checkQueueSize(queueName)) {
                    stop();
                    break;
                } else {
                    Thread.sleep(pollInterval * 1000);
                }
            }
            if (stopped.get()) {
                LOG.info("Successfully stop the broker.");
            } else {
                LOG.info("There is still pending message on the queue. Please check and stop the broker manually.");
            }
        }
    }

    /**
     * A helper method to block the caller thread until the broker has been
     * stopped
     */
    public void waitUntilStopped() {
        while (isStarted() && !stopped.get()) {
            try {
                stoppedLatch.await();
            } catch (InterruptedException e) {
                // ignore
            }
        }
    }

    public boolean isStopped() {
        return stopped.get();
    }

    /**
     * A helper method to block the caller thread until the broker has fully started
     * @return boolean true if wait succeeded false if broker was not started or was stopped
     */
    public boolean waitUntilStarted() {
        return waitUntilStarted(DEFAULT_START_TIMEOUT);
    }

    /**
     * A helper method to block the caller thread until the broker has fully started
     *
     * @param timeout
     *        the amount of time to wait before giving up and returning false.
     *
     * @return boolean true if wait succeeded false if broker was not started or was stopped
     */
    public boolean waitUntilStarted(long timeout) {
        boolean waitSucceeded = isStarted();
        long expiration = Math.max(0, timeout + System.currentTimeMillis());
        while (!isStarted() && !stopped.get() && !waitSucceeded && expiration > System.currentTimeMillis()) {
            try {
                if (startException != null) {
                    return waitSucceeded;
                }
                waitSucceeded = startedLatch.await(100L, TimeUnit.MILLISECONDS);
            } catch (InterruptedException ignore) {
            }
        }
        return waitSucceeded;
    }

    // Properties
    // -------------------------------------------------------------------------
    /**
     * Returns the message broker
     */
    public Broker getBroker() throws Exception {
        if (broker == null) {
            broker = createBroker();
        }
        return broker;
    }

    /**
     * Returns the administration view of the broker; used to create and destroy
     * resources such as queues and topics. Note this method returns null if JMX
     * is disabled.
     */
    public BrokerView getAdminView() throws Exception {
        if (adminView == null) {
            // force lazy creation
            getBroker();
        }
        return adminView;
    }

    public void setAdminView(BrokerView adminView) {
        this.adminView = adminView;
    }

    public String getBrokerName() {
        return brokerName;
    }

    /**
     * Sets the name of this broker; which must be unique in the network
     *
     * @param brokerName
     */
    public void setBrokerName(String brokerName) {
        if (brokerName == null) {
            throw new NullPointerException("The broker name cannot be null");
        }
        String str = brokerName.replaceAll("[^a-zA-Z0-9\\.\\_\\-\\:]", "_");
        if (!str.equals(brokerName)) {
            LOG.error("Broker Name: {} contained illegal characters - replaced with {}", brokerName, str);
        }
        this.brokerName = str.trim();
    }

    public PersistenceAdapterFactory getPersistenceFactory() {
        return persistenceFactory;
    }

    public File getDataDirectoryFile() {
        if (dataDirectoryFile == null) {
            dataDirectoryFile = new File(IOHelper.getDefaultDataDirectory());
        }
        return dataDirectoryFile;
    }

    public File getBrokerDataDirectory() {
        String brokerDir = getBrokerName();
        return new File(getDataDirectoryFile(), brokerDir);
    }

    /**
     * Sets the directory in which the data files will be stored by default for
     * the JDBC and Journal persistence adaptors.
     *
     * @param dataDirectory
     *            the directory to store data files
     */
    public void setDataDirectory(String dataDirectory) {
        setDataDirectoryFile(new File(dataDirectory));
    }

    /**
     * Sets the directory in which the data files will be stored by default for
     * the JDBC and Journal persistence adaptors.
     *
     * @param dataDirectoryFile
     *            the directory to store data files
     */
    public void setDataDirectoryFile(File dataDirectoryFile) {
        this.dataDirectoryFile = dataDirectoryFile;
    }

    /**
     * @return the tmpDataDirectory
     */
    public File getTmpDataDirectory() {
        if (tmpDataDirectory == null) {
            tmpDataDirectory = new File(getBrokerDataDirectory(), "tmp_storage");
        }
        return tmpDataDirectory;
    }

    /**
     * @param tmpDataDirectory
     *            the tmpDataDirectory to set
     */
    public void setTmpDataDirectory(File tmpDataDirectory) {
        this.tmpDataDirectory = tmpDataDirectory;
    }

    public void setPersistenceFactory(PersistenceAdapterFactory persistenceFactory) {
        this.persistenceFactory = persistenceFactory;
    }

    public void setDestinationFactory(DestinationFactory destinationFactory) {
        this.destinationFactory = destinationFactory;
    }

    public boolean isPersistent() {
        return persistent;
    }

    /**
     * Sets whether or not persistence is enabled or disabled.
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setPersistent(boolean persistent) {
        this.persistent = persistent;
    }

    public boolean isPopulateJMSXUserID() {
        return populateJMSXUserID;
    }

    /**
     * Sets whether or not the broker should populate the JMSXUserID header.
     */
    public void setPopulateJMSXUserID(boolean populateJMSXUserID) {
        this.populateJMSXUserID = populateJMSXUserID;
    }

    public SystemUsage getSystemUsage() {
        try {
            if (systemUsage == null) {

                systemUsage = new SystemUsage("Main", getPersistenceAdapter(), getTempDataStore(), getJobSchedulerStore());
                systemUsage.setExecutor(getExecutor());
                systemUsage.getMemoryUsage().setLimit(1024L * 1024 * 1024 * 1); // 1 GB
                systemUsage.getTempUsage().setLimit(1024L * 1024 * 1024 * 50); // 50 GB
                systemUsage.getStoreUsage().setLimit(1024L * 1024 * 1024 * 100); // 100 GB
                systemUsage.getJobSchedulerUsage().setLimit(1024L * 1024 * 1024 * 50); // 50 GB
                addService(this.systemUsage);
            }
            return systemUsage;
        } catch (IOException e) {
            LOG.error("Cannot create SystemUsage", e);
            throw new RuntimeException("Fatally failed to create SystemUsage" + e.getMessage(), e);
        }
    }

    public void setSystemUsage(SystemUsage memoryManager) {
        if (this.systemUsage != null) {
            removeService(this.systemUsage);
        }
        this.systemUsage = memoryManager;
        if (this.systemUsage.getExecutor()==null) {
            this.systemUsage.setExecutor(getExecutor());
        }
        addService(this.systemUsage);
    }

    /**
     * @return the consumerUsageManager
     * @throws IOException
     */
    public SystemUsage getConsumerSystemUsage() throws IOException {
        if (this.consumerSystemUsaage == null) {
            if (splitSystemUsageForProducersConsumers) {
                this.consumerSystemUsaage = new SystemUsage(getSystemUsage(), "Consumer");
                float portion = consumerSystemUsagePortion / 100f;
                this.consumerSystemUsaage.getMemoryUsage().setUsagePortion(portion);
                addService(this.consumerSystemUsaage);
            } else {
                consumerSystemUsaage = getSystemUsage();
            }
        }
        return this.consumerSystemUsaage;
    }

    /**
     * @param consumerSystemUsaage
     *            the storeSystemUsage to set
     */
    public void setConsumerSystemUsage(SystemUsage consumerSystemUsaage) {
        if (this.consumerSystemUsaage != null) {
            removeService(this.consumerSystemUsaage);
        }
        this.consumerSystemUsaage = consumerSystemUsaage;
        addService(this.consumerSystemUsaage);
    }

    /**
     * @return the producerUsageManager
     * @throws IOException
     */
    public SystemUsage getProducerSystemUsage() throws IOException {
        if (producerSystemUsage == null) {
            if (splitSystemUsageForProducersConsumers) {
                producerSystemUsage = new SystemUsage(getSystemUsage(), "Producer");
                float portion = producerSystemUsagePortion / 100f;
                producerSystemUsage.getMemoryUsage().setUsagePortion(portion);
                addService(producerSystemUsage);
            } else {
                producerSystemUsage = getSystemUsage();
            }
        }
        return producerSystemUsage;
    }

    /**
     * @param producerUsageManager
     *            the producerUsageManager to set
     */
    public void setProducerSystemUsage(SystemUsage producerUsageManager) {
        if (this.producerSystemUsage != null) {
            removeService(this.producerSystemUsage);
        }
        this.producerSystemUsage = producerUsageManager;
        addService(this.producerSystemUsage);
    }

    public PersistenceAdapter getPersistenceAdapter() throws IOException {
        if (persistenceAdapter == null) {
            persistenceAdapter = createPersistenceAdapter();
            configureService(persistenceAdapter);
            this.persistenceAdapter = registerPersistenceAdapterMBean(persistenceAdapter);
        }
        return persistenceAdapter;
    }

    /**
     * Sets the persistence adaptor implementation to use for this broker
     *
     * @throws IOException
     */
    public void setPersistenceAdapter(PersistenceAdapter persistenceAdapter) throws IOException {
        if (!isPersistent() && ! (persistenceAdapter instanceof MemoryPersistenceAdapter)) {
            LOG.warn("persistent=\"false\", ignoring configured persistenceAdapter: {}", persistenceAdapter);
            return;
        }
        this.persistenceAdapter = persistenceAdapter;
        configureService(this.persistenceAdapter);
        this.persistenceAdapter = registerPersistenceAdapterMBean(persistenceAdapter);
    }

    public TaskRunnerFactory getTaskRunnerFactory() {
        if (this.taskRunnerFactory == null) {
            this.taskRunnerFactory = new TaskRunnerFactory("ActiveMQ BrokerService["+getBrokerName()+"] Task", getTaskRunnerPriority(), true, 1000,
                    isDedicatedTaskRunner());
            this.taskRunnerFactory.setThreadClassLoader(this.getClass().getClassLoader());
        }
        return this.taskRunnerFactory;
    }

    public void setTaskRunnerFactory(TaskRunnerFactory taskRunnerFactory) {
        this.taskRunnerFactory = taskRunnerFactory;
    }

    public TaskRunnerFactory getPersistenceTaskRunnerFactory() {
        if (taskRunnerFactory == null) {
            persistenceTaskRunnerFactory = new TaskRunnerFactory("Persistence Adaptor Task", persistenceThreadPriority,
                    true, 1000, isDedicatedTaskRunner());
        }
        return persistenceTaskRunnerFactory;
    }

    public void setPersistenceTaskRunnerFactory(TaskRunnerFactory persistenceTaskRunnerFactory) {
        this.persistenceTaskRunnerFactory = persistenceTaskRunnerFactory;
    }

    public boolean isUseJmx() {
        return useJmx;
    }

    public boolean isEnableStatistics() {
        return enableStatistics;
    }

    /**
     * Sets whether or not the Broker's services enable statistics or not.
     */
    public void setEnableStatistics(boolean enableStatistics) {
        this.enableStatistics = enableStatistics;
    }

    /**
     * Sets whether or not the Broker's services should be exposed into JMX or
     * not.
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setUseJmx(boolean useJmx) {
        this.useJmx = useJmx;
    }

    public ObjectName getBrokerObjectName() throws MalformedObjectNameException {
        if (brokerObjectName == null) {
            brokerObjectName = createBrokerObjectName();
        }
        return brokerObjectName;
    }

    /**
     * Sets the JMX ObjectName for this broker
     */
    public void setBrokerObjectName(ObjectName brokerObjectName) {
        this.brokerObjectName = brokerObjectName;
    }

    public ManagementContext getManagementContext() {
        if (managementContext == null) {
            managementContext = new ManagementContext();
        }
        return managementContext;
    }

    public void setManagementContext(ManagementContext managementContext) {
        this.managementContext = managementContext;
    }

    public NetworkConnector getNetworkConnectorByName(String connectorName) {
        for (NetworkConnector connector : networkConnectors) {
            if (connector.getName().equals(connectorName)) {
                return connector;
            }
        }
        return null;
    }

    public String[] getNetworkConnectorURIs() {
        return networkConnectorURIs;
    }

    public void setNetworkConnectorURIs(String[] networkConnectorURIs) {
        this.networkConnectorURIs = networkConnectorURIs;
    }

    public TransportConnector getConnectorByName(String connectorName) {
        for (TransportConnector connector : transportConnectors) {
            if (connector.getName().equals(connectorName)) {
                return connector;
            }
        }
        return null;
    }

    public Map<String, String> getTransportConnectorURIsAsMap() {
        Map<String, String> answer = new HashMap<String, String>();
        for (TransportConnector connector : transportConnectors) {
            try {
                URI uri = connector.getConnectUri();
                if (uri != null) {
                    String scheme = uri.getScheme();
                    if (scheme != null) {
                        answer.put(scheme.toLowerCase(Locale.ENGLISH), uri.toString());
                    }
                }
            } catch (Exception e) {
                LOG.debug("Failed to read URI to build transportURIsAsMap", e);
            }
        }
        return answer;
    }

    public ProducerBrokerExchange getProducerBrokerExchange(ProducerInfo producerInfo){
        ProducerBrokerExchange result = null;

        for (TransportConnector connector : transportConnectors) {
            for (TransportConnection tc: connector.getConnections()){
                result = tc.getProducerBrokerExchangeIfExists(producerInfo);
                if (result !=null){
                    return result;
                }
            }
        }
        return result;
    }

    public String[] getTransportConnectorURIs() {
        return transportConnectorURIs;
    }

    public void setTransportConnectorURIs(String[] transportConnectorURIs) {
        this.transportConnectorURIs = transportConnectorURIs;
    }

    /**
     * @return Returns the jmsBridgeConnectors.
     */
    public JmsConnector[] getJmsBridgeConnectors() {
        return jmsBridgeConnectors;
    }

    /**
     * @param jmsConnectors
     *            The jmsBridgeConnectors to set.
     */
    public void setJmsBridgeConnectors(JmsConnector[] jmsConnectors) {
        this.jmsBridgeConnectors = jmsConnectors;
    }

    public Service[] getServices() {
        return services.toArray(new Service[0]);
    }

    /**
     * Sets the services associated with this broker.
     */
    public void setServices(Service[] services) {
        this.services.clear();
        if (services != null) {
            for (int i = 0; i < services.length; i++) {
                this.services.add(services[i]);
            }
        }
    }

    /**
     * Adds a new service so that it will be started as part of the broker
     * lifecycle
     */
    public void addService(Service service) {
        services.add(service);
    }

    public void removeService(Service service) {
        services.remove(service);
    }

    public boolean isUseLoggingForShutdownErrors() {
        return useLoggingForShutdownErrors;
    }

    /**
     * Sets whether or not we should use commons-logging when reporting errors
     * when shutting down the broker
     */
    public void setUseLoggingForShutdownErrors(boolean useLoggingForShutdownErrors) {
        this.useLoggingForShutdownErrors = useLoggingForShutdownErrors;
    }

    public boolean isUseShutdownHook() {
        return useShutdownHook;
    }

    /**
     * Sets whether or not we should use a shutdown handler to close down the
     * broker cleanly if the JVM is terminated. It is recommended you leave this
     * enabled.
     */
    public void setUseShutdownHook(boolean useShutdownHook) {
        this.useShutdownHook = useShutdownHook;
    }

    public boolean isAdvisorySupport() {
        return advisorySupport;
    }

    /**
     * Allows the support of advisory messages to be disabled for performance
     * reasons.
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setAdvisorySupport(boolean advisorySupport) {
        this.advisorySupport = advisorySupport;
    }

    public List<TransportConnector> getTransportConnectors() {
        return new ArrayList<TransportConnector>(transportConnectors);
    }

    /**
     * Sets the transport connectors which this broker will listen on for new
     * clients
     *
     * @org.apache.xbean.Property
     *                            nestedType="org.apache.activemq.broker.TransportConnector"
     */
    public void setTransportConnectors(List<TransportConnector> transportConnectors) throws Exception {
        for (TransportConnector connector : transportConnectors) {
            addConnector(connector);
        }
    }

    public TransportConnector getTransportConnectorByName(String name){
        for (TransportConnector transportConnector : transportConnectors){
           if (name.equals(transportConnector.getName())){
               return transportConnector;
           }
        }
        return null;
    }

    public TransportConnector getTransportConnectorByScheme(String scheme){
        for (TransportConnector transportConnector : transportConnectors){
            if (scheme.equals(transportConnector.getUri().getScheme())){
                return transportConnector;
            }
        }
        return null;
    }

    public List<NetworkConnector> getNetworkConnectors() {
        return new ArrayList<NetworkConnector>(networkConnectors);
    }

    public List<ProxyConnector> getProxyConnectors() {
        return new ArrayList<ProxyConnector>(proxyConnectors);
    }

    /**
     * Sets the network connectors which this broker will use to connect to
     * other brokers in a federated network
     *
     * @org.apache.xbean.Property
     *                            nestedType="org.apache.activemq.network.NetworkConnector"
     */
    public void setNetworkConnectors(List<?> networkConnectors) throws Exception {
        for (Object connector : networkConnectors) {
            addNetworkConnector((NetworkConnector) connector);
        }
    }

    /**
     * Sets the network connectors which this broker will use to connect to
     * other brokers in a federated network
     */
    public void setProxyConnectors(List<?> proxyConnectors) throws Exception {
        for (Object connector : proxyConnectors) {
            addProxyConnector((ProxyConnector) connector);
        }
    }

    public PolicyMap getDestinationPolicy() {
        return destinationPolicy;
    }

    /**
     * Sets the destination specific policies available either for exact
     * destinations or for wildcard areas of destinations.
     */
    public void setDestinationPolicy(PolicyMap policyMap) {
        this.destinationPolicy = policyMap;
    }

    public BrokerPlugin[] getPlugins() {
        return plugins;
    }

    /**
     * Sets a number of broker plugins to install such as for security
     * authentication or authorization
     */
    public void setPlugins(BrokerPlugin[] plugins) {
        this.plugins = plugins;
    }

    public MessageAuthorizationPolicy getMessageAuthorizationPolicy() {
        return messageAuthorizationPolicy;
    }

    /**
     * Sets the policy used to decide if the current connection is authorized to
     * consume a given message
     */
    public void setMessageAuthorizationPolicy(MessageAuthorizationPolicy messageAuthorizationPolicy) {
        this.messageAuthorizationPolicy = messageAuthorizationPolicy;
    }

    /**
     * Delete all messages from the persistent store
     *
     * @throws IOException
     */
    public void deleteAllMessages() throws IOException {
        getPersistenceAdapter().deleteAllMessages();
    }

    public boolean isDeleteAllMessagesOnStartup() {
        return deleteAllMessagesOnStartup;
    }

    /**
     * Sets whether or not all messages are deleted on startup - mostly only
     * useful for testing.
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setDeleteAllMessagesOnStartup(boolean deletePersistentMessagesOnStartup) {
        this.deleteAllMessagesOnStartup = deletePersistentMessagesOnStartup;
    }

    public URI getVmConnectorURI() {
        if (vmConnectorURI == null) {
            try {
                vmConnectorURI = new URI("vm://" + getBrokerName().replaceAll("[^a-zA-Z0-9\\.\\_\\-]", "_"));
            } catch (URISyntaxException e) {
                LOG.error("Badly formed URI from {}", getBrokerName(), e);
            }
        }
        return vmConnectorURI;
    }

    public void setVmConnectorURI(URI vmConnectorURI) {
        this.vmConnectorURI = vmConnectorURI;
    }

    public String getDefaultSocketURIString() {
        if (started.get()) {
            if (this.defaultSocketURIString == null) {
                for (TransportConnector tc:this.transportConnectors) {
                    String result = null;
                    try {
                        result = tc.getPublishableConnectString();
                    } catch (Exception e) {
                      LOG.warn("Failed to get the ConnectURI for {}", tc, e);
                    }
                    if (result != null) {
                        // find first publishable uri
                        if (tc.isUpdateClusterClients() || tc.isRebalanceClusterClients()) {
                            this.defaultSocketURIString = result;
                            break;
                        } else {
                        // or use the first defined
                            if (this.defaultSocketURIString == null) {
                                this.defaultSocketURIString = result;
                            }
                        }
                    }
                }

            }
            return this.defaultSocketURIString;
        }
       return null;
    }

    /**
     * @return Returns the shutdownOnMasterFailure.
     */
    public boolean isShutdownOnMasterFailure() {
        return shutdownOnMasterFailure;
    }

    /**
     * @param shutdownOnMasterFailure
     *            The shutdownOnMasterFailure to set.
     */
    public void setShutdownOnMasterFailure(boolean shutdownOnMasterFailure) {
        this.shutdownOnMasterFailure = shutdownOnMasterFailure;
    }

    public boolean isKeepDurableSubsActive() {
        return keepDurableSubsActive;
    }

    public void setKeepDurableSubsActive(boolean keepDurableSubsActive) {
        this.keepDurableSubsActive = keepDurableSubsActive;
    }

    public boolean isUseVirtualTopics() {
        return useVirtualTopics;
    }

    /**
     * Sets whether or not <a
     * href="http://activemq.apache.org/virtual-destinations.html">Virtual
     * Topics</a> should be supported by default if they have not been
     * explicitly configured.
     */
    public void setUseVirtualTopics(boolean useVirtualTopics) {
        this.useVirtualTopics = useVirtualTopics;
    }

    public DestinationInterceptor[] getDestinationInterceptors() {
        return destinationInterceptors;
    }

    public boolean isUseMirroredQueues() {
        return useMirroredQueues;
    }

    /**
     * Sets whether or not <a
     * href="http://activemq.apache.org/mirrored-queues.html">Mirrored
     * Queues</a> should be supported by default if they have not been
     * explicitly configured.
     */
    public void setUseMirroredQueues(boolean useMirroredQueues) {
        this.useMirroredQueues = useMirroredQueues;
    }

    /**
     * Sets the destination interceptors to use
     */
    public void setDestinationInterceptors(DestinationInterceptor[] destinationInterceptors) {
        this.destinationInterceptors = destinationInterceptors;
    }

    public ActiveMQDestination[] getDestinations() {
        return destinations;
    }

    /**
     * Sets the destinations which should be loaded/created on startup
     */
    public void setDestinations(ActiveMQDestination[] destinations) {
        this.destinations = destinations;
    }

    /**
     * @return the tempDataStore
     */
    public synchronized PListStore getTempDataStore() {
        if (tempDataStore == null) {
            if (!isPersistent()) {
                return null;
            }

            try {
                PersistenceAdapter pa = getPersistenceAdapter();
                if( pa!=null && pa instanceof PListStore) {
                    return (PListStore) pa;
                }
            } catch (IOException e) {
                throw new RuntimeException(e);
            }

            boolean result = true;
            boolean empty = true;
            try {
                File directory = getTmpDataDirectory();
                if (directory.exists() && directory.isDirectory()) {
                    File[] files = directory.listFiles();
                    if (files != null && files.length > 0) {
                        empty = false;
                        for (int i = 0; i < files.length; i++) {
                            File file = files[i];
                            if (!file.isDirectory()) {
                                result &= file.delete();
                            }
                        }
                    }
                }
                if (!empty) {
                    String str = result ? "Successfully deleted" : "Failed to delete";
                    LOG.info("{} temporary storage", str);
                }

                String clazz = "org.apache.activemq.store.kahadb.plist.PListStoreImpl";
                this.tempDataStore = (PListStore) getClass().getClassLoader().loadClass(clazz).newInstance();
                this.tempDataStore.setDirectory(getTmpDataDirectory());
                configureService(tempDataStore);
                this.tempDataStore.start();
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        return tempDataStore;
    }

    /**
     * @param tempDataStore
     *            the tempDataStore to set
     */
    public void setTempDataStore(PListStore tempDataStore) {
        this.tempDataStore = tempDataStore;
        configureService(tempDataStore);
        try {
            tempDataStore.start();
        } catch (Exception e) {
            RuntimeException exception = new RuntimeException("Failed to start provided temp data store: " + tempDataStore, e);
            LOG.error(exception.getLocalizedMessage(), e);
            throw exception;
        }
    }

    public int getPersistenceThreadPriority() {
        return persistenceThreadPriority;
    }

    public void setPersistenceThreadPriority(int persistenceThreadPriority) {
        this.persistenceThreadPriority = persistenceThreadPriority;
    }

    /**
     * @return the useLocalHostBrokerName
     */
    public boolean isUseLocalHostBrokerName() {
        return this.useLocalHostBrokerName;
    }

    /**
     * @param useLocalHostBrokerName
     *            the useLocalHostBrokerName to set
     */
    public void setUseLocalHostBrokerName(boolean useLocalHostBrokerName) {
        this.useLocalHostBrokerName = useLocalHostBrokerName;
        if (useLocalHostBrokerName && !started.get() && brokerName == null || brokerName == DEFAULT_BROKER_NAME) {
            brokerName = LOCAL_HOST_NAME;
        }
    }

    /**
     * @return the supportFailOver
     */
    public boolean isSupportFailOver() {
        return this.supportFailOver;
    }

    /**
     * @param supportFailOver
     *            the supportFailOver to set
     */
    public void setSupportFailOver(boolean supportFailOver) {
        this.supportFailOver = supportFailOver;
    }

    /**
     * Looks up and lazily creates if necessary the destination for the given
     * JMS name
     */
    public Destination getDestination(ActiveMQDestination destination) throws Exception {
        return getBroker().addDestination(getAdminConnectionContext(), destination,false);
    }

    public void removeDestination(ActiveMQDestination destination) throws Exception {
        getBroker().removeDestination(getAdminConnectionContext(), destination, 0);
    }

    public int getProducerSystemUsagePortion() {
        return producerSystemUsagePortion;
    }

    public void setProducerSystemUsagePortion(int producerSystemUsagePortion) {
        this.producerSystemUsagePortion = producerSystemUsagePortion;
    }

    public int getConsumerSystemUsagePortion() {
        return consumerSystemUsagePortion;
    }

    public void setConsumerSystemUsagePortion(int consumerSystemUsagePortion) {
        this.consumerSystemUsagePortion = consumerSystemUsagePortion;
    }

    public boolean isSplitSystemUsageForProducersConsumers() {
        return splitSystemUsageForProducersConsumers;
    }

    public void setSplitSystemUsageForProducersConsumers(boolean splitSystemUsageForProducersConsumers) {
        this.splitSystemUsageForProducersConsumers = splitSystemUsageForProducersConsumers;
    }

    public boolean isMonitorConnectionSplits() {
        return monitorConnectionSplits;
    }

    public void setMonitorConnectionSplits(boolean monitorConnectionSplits) {
        this.monitorConnectionSplits = monitorConnectionSplits;
    }

    public int getTaskRunnerPriority() {
        return taskRunnerPriority;
    }

    public void setTaskRunnerPriority(int taskRunnerPriority) {
        this.taskRunnerPriority = taskRunnerPriority;
    }

    public boolean isDedicatedTaskRunner() {
        return dedicatedTaskRunner;
    }

    public void setDedicatedTaskRunner(boolean dedicatedTaskRunner) {
        this.dedicatedTaskRunner = dedicatedTaskRunner;
    }

    public boolean isCacheTempDestinations() {
        return cacheTempDestinations;
    }

    public void setCacheTempDestinations(boolean cacheTempDestinations) {
        this.cacheTempDestinations = cacheTempDestinations;
    }

    public int getTimeBeforePurgeTempDestinations() {
        return timeBeforePurgeTempDestinations;
    }

    public void setTimeBeforePurgeTempDestinations(int timeBeforePurgeTempDestinations) {
        this.timeBeforePurgeTempDestinations = timeBeforePurgeTempDestinations;
    }

    public boolean isUseTempMirroredQueues() {
        return useTempMirroredQueues;
    }

    public void setUseTempMirroredQueues(boolean useTempMirroredQueues) {
        this.useTempMirroredQueues = useTempMirroredQueues;
    }

    public synchronized JobSchedulerStore getJobSchedulerStore() {

        // If support is off don't allow any scheduler even is user configured their own.
        if (!isSchedulerSupport()) {
            return null;
        }

        // If the user configured their own we use it even if persistence is disabled since
        // we don't know anything about their implementation.
        if (jobSchedulerStore == null) {

            if (!isPersistent()) {
                this.jobSchedulerStore = new InMemoryJobSchedulerStore();
                configureService(jobSchedulerStore);
                try {
                    jobSchedulerStore.start();
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
                return this.jobSchedulerStore;
            }

            try {
                PersistenceAdapter pa = getPersistenceAdapter();
                if (pa != null) {
                    this.jobSchedulerStore = pa.createJobSchedulerStore();
                    jobSchedulerStore.setDirectory(getSchedulerDirectoryFile());
                    configureService(jobSchedulerStore);
                    jobSchedulerStore.start();
                    return this.jobSchedulerStore;
                }
            } catch (IOException e) {
                throw new RuntimeException(e);
            } catch (UnsupportedOperationException ex) {
                // It's ok if the store doesn't implement a scheduler.
            } catch (Exception e) {
                throw new RuntimeException(e);
            }

            try {
                PersistenceAdapter pa = getPersistenceAdapter();
                if (pa != null && pa instanceof JobSchedulerStore) {
                    this.jobSchedulerStore = (JobSchedulerStore) pa;
                    configureService(jobSchedulerStore);
                    return this.jobSchedulerStore;
                }
            } catch (IOException e) {
                throw new RuntimeException(e);
            }

            // Load the KahaDB store as a last resort, this only works if KahaDB is
            // included at runtime, otherwise this will fail.  User should disable
            // scheduler support if this fails.
            try {
                String clazz = "org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter";
                PersistenceAdapter adaptor = (PersistenceAdapter)getClass().getClassLoader().loadClass(clazz).newInstance();
                jobSchedulerStore = adaptor.createJobSchedulerStore();
                jobSchedulerStore.setDirectory(getSchedulerDirectoryFile());
                configureService(jobSchedulerStore);
                jobSchedulerStore.start();
                LOG.info("JobScheduler using directory: {}", getSchedulerDirectoryFile());
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        return jobSchedulerStore;
    }

    public void setJobSchedulerStore(JobSchedulerStore jobSchedulerStore) {
        this.jobSchedulerStore = jobSchedulerStore;
        configureService(jobSchedulerStore);
        try {
            jobSchedulerStore.start();
        } catch (Exception e) {
            RuntimeException exception = new RuntimeException(
                    "Failed to start provided job scheduler store: " + jobSchedulerStore, e);
            LOG.error(exception.getLocalizedMessage(), e);
            throw exception;
        }
    }

    //
    // Implementation methods
    // -------------------------------------------------------------------------
    /**
     * Handles any lazy-creation helper properties which are added to make
     * things easier to configure inside environments such as Spring
     *
     * @throws Exception
     */
    protected void processHelperProperties() throws Exception {
        if (transportConnectorURIs != null) {
            for (int i = 0; i < transportConnectorURIs.length; i++) {
                String uri = transportConnectorURIs[i];
                addConnector(uri);
            }
        }
        if (networkConnectorURIs != null) {
            for (int i = 0; i < networkConnectorURIs.length; i++) {
                String uri = networkConnectorURIs[i];
                addNetworkConnector(uri);
            }
        }
        if (jmsBridgeConnectors != null) {
            for (int i = 0; i < jmsBridgeConnectors.length; i++) {
                addJmsConnector(jmsBridgeConnectors[i]);
            }
        }
    }

    protected void checkSystemUsageLimits() throws IOException {
        SystemUsage usage = getSystemUsage();
        long memLimit = usage.getMemoryUsage().getLimit();
        long jvmLimit = Runtime.getRuntime().maxMemory();

        if (memLimit > jvmLimit) {
            usage.getMemoryUsage().setPercentOfJvmHeap(70);
            LOG.warn("Memory Usage for the Broker (" + memLimit / (1024 * 1024) +
                    " mb) is more than the maximum available for the JVM: " +
                    jvmLimit / (1024 * 1024) + " mb - resetting to 70% of maximum available: " + (usage.getMemoryUsage().getLimit() / (1024 * 1024)) + " mb");
        }

        if (getPersistenceAdapter() != null) {
            PersistenceAdapter adapter = getPersistenceAdapter();
            File dir = adapter.getDirectory();

            if (dir != null) {
                String dirPath = dir.getAbsolutePath();
                if (!dir.isAbsolute()) {
                    dir = new File(dirPath);
                }

                while (dir != null && !dir.isDirectory()) {
                    dir = dir.getParentFile();
                }
                long storeLimit = usage.getStoreUsage().getLimit();
                long storeCurrent = usage.getStoreUsage().getUsage();
                long dirFreeSpace = dir.getUsableSpace();
                if (storeLimit > (dirFreeSpace + storeCurrent)) {
                    LOG.warn("Store limit is " + storeLimit / (1024 * 1024) +
                             " mb (current store usage is " + storeCurrent / (1024 * 1024) +
                             " mb). The data directory: " + dir.getAbsolutePath() +
                             " only has " + dirFreeSpace / (1024 * 1024) +
                             " mb of usable space - resetting to maximum available disk space: " +
                            (dirFreeSpace + storeCurrent) / (1024 * 1024) + " mb");
                    usage.getStoreUsage().setLimit(dirFreeSpace + storeCurrent);
                }
            }

            long maxJournalFileSize = 0;
            long storeLimit = usage.getStoreUsage().getLimit();

            if (adapter instanceof JournaledStore) {
                maxJournalFileSize = ((JournaledStore) adapter).getJournalMaxFileLength();
            }

            if (storeLimit < maxJournalFileSize) {
                LOG.error("Store limit is " + storeLimit / (1024 * 1024) +
                          " mb, whilst the max journal file size for the store is: " +
                          maxJournalFileSize / (1024 * 1024) + " mb, " +
                          "the store will not accept any data when used.");

            }
        }

        File tmpDir = getTmpDataDirectory();
        if (tmpDir != null) {

            String tmpDirPath = tmpDir.getAbsolutePath();
            if (!tmpDir.isAbsolute()) {
                tmpDir = new File(tmpDirPath);
            }

            long storeLimit = usage.getTempUsage().getLimit();
            while (tmpDir != null && !tmpDir.isDirectory()) {
                tmpDir = tmpDir.getParentFile();
            }
            long dirFreeSpace = tmpDir.getUsableSpace();
            if (storeLimit > dirFreeSpace) {
                LOG.warn("Temporary Store limit is " + storeLimit / (1024 * 1024) +
                        " mb, whilst the temporary data directory: " + tmpDirPath +
                        " only has " + dirFreeSpace / (1024 * 1024) + " mb of usable space - resetting to maximum available " +
                        dirFreeSpace / (1024 * 1024) + " mb.");
                usage.getTempUsage().setLimit(dirFreeSpace);
            }

            if (isPersistent()) {
                long maxJournalFileSize;

                PListStore store = usage.getTempUsage().getStore();
                if (store != null && store instanceof JournaledStore) {
                    maxJournalFileSize = ((JournaledStore) store).getJournalMaxFileLength();
                } else {
                    maxJournalFileSize = DEFAULT_MAX_FILE_LENGTH;
                }

                if (storeLimit < maxJournalFileSize) {
                    LOG.error("Temporary Store limit is " + storeLimit / (1024 * 1024) +
                              " mb, whilst the max journal file size for the temporary store is: " +
                              maxJournalFileSize / (1024 * 1024) + " mb, " +
                              "the temp store will not accept any data when used.");
                }
            }
        }

        if (getJobSchedulerStore() != null) {
            JobSchedulerStore scheduler = getJobSchedulerStore();
            File schedulerDir = scheduler.getDirectory();
            if (schedulerDir != null) {

                String schedulerDirPath = schedulerDir.getAbsolutePath();
                if (!schedulerDir.isAbsolute()) {
                    schedulerDir = new File(schedulerDirPath);
                }

                while (schedulerDir != null && !schedulerDir.isDirectory()) {
                    schedulerDir = schedulerDir.getParentFile();
                }
                long schedulerLimit = usage.getJobSchedulerUsage().getLimit();
                long dirFreeSpace = schedulerDir.getUsableSpace();
                if (schedulerLimit > dirFreeSpace) {
                    LOG.warn("Job Scheduler Store limit is " + schedulerLimit / (1024 * 1024) +
                             " mb, whilst the data directory: " + schedulerDir.getAbsolutePath() +
                             " only has " + dirFreeSpace / (1024 * 1024) + " mb of usable space - resetting to " +
                            dirFreeSpace / (1024 * 1024) + " mb.");
                    usage.getJobSchedulerUsage().setLimit(dirFreeSpace);
                }
            }
        }
    }

    public void stopAllConnectors(ServiceStopper stopper) {
        for (Iterator<NetworkConnector> iter = getNetworkConnectors().iterator(); iter.hasNext();) {
            NetworkConnector connector = iter.next();
            unregisterNetworkConnectorMBean(connector);
            stopper.stop(connector);
        }
        for (Iterator<ProxyConnector> iter = getProxyConnectors().iterator(); iter.hasNext();) {
            ProxyConnector connector = iter.next();
            stopper.stop(connector);
        }
        for (Iterator<JmsConnector> iter = jmsConnectors.iterator(); iter.hasNext();) {
            JmsConnector connector = iter.next();
            stopper.stop(connector);
        }
        for (Iterator<TransportConnector> iter = getTransportConnectors().iterator(); iter.hasNext();) {
            TransportConnector connector = iter.next();
            try {
                unregisterConnectorMBean(connector);
            } catch (IOException e) {
            }
            stopper.stop(connector);
        }
    }

    protected TransportConnector registerConnectorMBean(TransportConnector connector) throws IOException {
        try {
            ObjectName objectName = createConnectorObjectName(connector);
            connector = connector.asManagedConnector(getManagementContext(), objectName);
            ConnectorViewMBean view = new ConnectorView(connector);
            AnnotatedMBean.registerMBean(getManagementContext(), view, objectName);
            return connector;
        } catch (Throwable e) {
            throw IOExceptionSupport.create("Transport Connector could not be registered in JMX: " + e, e);
        }
    }

    protected void unregisterConnectorMBean(TransportConnector connector) throws IOException {
        if (isUseJmx()) {
            try {
                ObjectName objectName = createConnectorObjectName(connector);
                getManagementContext().unregisterMBean(objectName);
            } catch (Throwable e) {
                throw IOExceptionSupport.create(
                        "Transport Connector could not be unregistered in JMX: " + e.getMessage(), e);
            }
        }
    }

    protected PersistenceAdapter registerPersistenceAdapterMBean(PersistenceAdapter adaptor) throws IOException {
        return adaptor;
    }

    protected void unregisterPersistenceAdapterMBean(PersistenceAdapter adaptor) throws IOException {
        if (isUseJmx()) {}
    }

    private ObjectName createConnectorObjectName(TransportConnector connector) throws MalformedObjectNameException {
        return BrokerMBeanSupport.createConnectorName(getBrokerObjectName(), "clientConnectors", connector.getName());
    }

    public void registerNetworkConnectorMBean(NetworkConnector connector) throws IOException {
        NetworkConnectorViewMBean view = new NetworkConnectorView(connector);
        try {
            ObjectName objectName = createNetworkConnectorObjectName(connector);
            connector.setObjectName(objectName);
            AnnotatedMBean.registerMBean(getManagementContext(), view, objectName);
        } catch (Throwable e) {
            throw IOExceptionSupport.create("Network Connector could not be registered in JMX: " + e.getMessage(), e);
        }
    }

    protected ObjectName createNetworkConnectorObjectName(NetworkConnector connector) throws MalformedObjectNameException {
        return BrokerMBeanSupport.createNetworkConnectorName(getBrokerObjectName(), "networkConnectors", connector.getName());
    }

    public ObjectName createDuplexNetworkConnectorObjectName(String transport) throws MalformedObjectNameException {
        return BrokerMBeanSupport.createNetworkConnectorName(getBrokerObjectName(), "duplexNetworkConnectors", transport);
    }

    protected void unregisterNetworkConnectorMBean(NetworkConnector connector) {
        if (isUseJmx()) {
            try {
                ObjectName objectName = createNetworkConnectorObjectName(connector);
                getManagementContext().unregisterMBean(objectName);
            } catch (Exception e) {
                LOG.warn("Network Connector could not be unregistered from JMX due " + e.getMessage() + ". This exception is ignored.", e);
            }
        }
    }

    protected void registerProxyConnectorMBean(ProxyConnector connector) throws IOException {
        ProxyConnectorView view = new ProxyConnectorView(connector);
        try {
            ObjectName objectName = BrokerMBeanSupport.createNetworkConnectorName(getBrokerObjectName(), "proxyConnectors", connector.getName());
            AnnotatedMBean.registerMBean(getManagementContext(), view, objectName);
        } catch (Throwable e) {
            throw IOExceptionSupport.create("Broker could not be registered in JMX: " + e.getMessage(), e);
        }
    }

    protected void registerJmsConnectorMBean(JmsConnector connector) throws IOException {
        JmsConnectorView view = new JmsConnectorView(connector);
        try {
            ObjectName objectName = BrokerMBeanSupport.createNetworkConnectorName(getBrokerObjectName(), "jmsConnectors", connector.getName());
            AnnotatedMBean.registerMBean(getManagementContext(), view, objectName);
        } catch (Throwable e) {
            throw IOExceptionSupport.create("Broker could not be registered in JMX: " + e.getMessage(), e);
        }
    }

    /**
     * Factory method to create a new broker
     *
     * @throws Exception
     * @throws
     * @throws
     */
    protected Broker createBroker() throws Exception {
        regionBroker = createRegionBroker();
        Broker broker = addInterceptors(regionBroker);
        // Add a filter that will stop access to the broker once stopped
        broker = new MutableBrokerFilter(broker) {
            Broker old;

            @Override
            public void stop() throws Exception {
                old = this.next.getAndSet(new ErrorBroker("Broker has been stopped: " + this) {
                    // Just ignore additional stop actions.
                    @Override
                    public void stop() throws Exception {
                    }
                });
                old.stop();
            }

            @Override
            public void start() throws Exception {
                if (forceStart && old != null) {
                    this.next.set(old);
                }
                getNext().start();
            }
        };
        return broker;
    }

    /**
     * Factory method to create the core region broker onto which interceptors
     * are added
     *
     * @throws Exception
     */
    protected Broker createRegionBroker() throws Exception {
        if (destinationInterceptors == null) {
            destinationInterceptors = createDefaultDestinationInterceptor();
        }
        configureServices(destinationInterceptors);
        DestinationInterceptor destinationInterceptor = new CompositeDestinationInterceptor(destinationInterceptors);
        if (destinationFactory == null) {
            destinationFactory = new DestinationFactoryImpl(this, getTaskRunnerFactory(), getPersistenceAdapter());
        }
        return createRegionBroker(destinationInterceptor);
    }

    protected Broker createRegionBroker(DestinationInterceptor destinationInterceptor) throws IOException {
        RegionBroker regionBroker;
        if (isUseJmx()) {
            try {
                regionBroker = new ManagedRegionBroker(this, getManagementContext(), getBrokerObjectName(),
                    getTaskRunnerFactory(), getConsumerSystemUsage(), destinationFactory, destinationInterceptor,getScheduler(),getExecutor());
            } catch(MalformedObjectNameException me){
                LOG.warn("Cannot create ManagedRegionBroker due " + me.getMessage(), me);
                throw new IOException(me);
            }
        } else {
            regionBroker = new RegionBroker(this, getTaskRunnerFactory(), getConsumerSystemUsage(), destinationFactory,
                    destinationInterceptor,getScheduler(),getExecutor());
        }
        destinationFactory.setRegionBroker(regionBroker);
        regionBroker.setKeepDurableSubsActive(keepDurableSubsActive);
        regionBroker.setBrokerName(getBrokerName());
        regionBroker.getDestinationStatistics().setEnabled(enableStatistics);
        regionBroker.setAllowTempAutoCreationOnSend(isAllowTempAutoCreationOnSend());
        if (brokerId != null) {
            regionBroker.setBrokerId(brokerId);
        }
        return regionBroker;
    }

    /**
     * Create the default destination interceptor
     */
    protected DestinationInterceptor[] createDefaultDestinationInterceptor() {
        List<DestinationInterceptor> answer = new ArrayList<DestinationInterceptor>();
        if (isUseVirtualTopics()) {
            VirtualDestinationInterceptor interceptor = new VirtualDestinationInterceptor();
            VirtualTopic virtualTopic = new VirtualTopic();
            virtualTopic.setName("VirtualTopic.>");
            VirtualDestination[] virtualDestinations = { virtualTopic };
            interceptor.setVirtualDestinations(virtualDestinations);
            answer.add(interceptor);
        }
        if (isUseMirroredQueues()) {
            MirroredQueue interceptor = new MirroredQueue();
            answer.add(interceptor);
        }
        DestinationInterceptor[] array = new DestinationInterceptor[answer.size()];
        answer.toArray(array);
        return array;
    }

    /**
     * Strategy method to add interceptors to the broker
     *
     * @throws IOException
     */
    protected Broker addInterceptors(Broker broker) throws Exception {
        if (isSchedulerSupport()) {
            SchedulerBroker sb = new SchedulerBroker(this, broker, getJobSchedulerStore());
            if (isUseJmx()) {
                JobSchedulerViewMBean view = new JobSchedulerView(sb.getJobScheduler());
                try {
                    ObjectName objectName = BrokerMBeanSupport.createJobSchedulerServiceName(getBrokerObjectName());
                    AnnotatedMBean.registerMBean(getManagementContext(), view, objectName);
                    this.adminView.setJMSJobScheduler(objectName);
                } catch (Throwable e) {
                    throw IOExceptionSupport.create("JobScheduler could not be registered in JMX: "
                            + e.getMessage(), e);
                }
            }
            broker = sb;
        }
        if (isUseJmx()) {
            HealthViewMBean statusView = new HealthView((ManagedRegionBroker)getRegionBroker());
            try {
                ObjectName objectName = BrokerMBeanSupport.createHealthServiceName(getBrokerObjectName());
                AnnotatedMBean.registerMBean(getManagementContext(), statusView, objectName);
            } catch (Throwable e) {
                throw IOExceptionSupport.create("Status MBean could not be registered in JMX: "
                        + e.getMessage(), e);
            }
        }
        if (isAdvisorySupport()) {
            broker = new AdvisoryBroker(broker);
        }
        broker = new CompositeDestinationBroker(broker);
        broker = new TransactionBroker(broker, getPersistenceAdapter().createTransactionStore());
        if (isPopulateJMSXUserID()) {
            UserIDBroker userIDBroker = new UserIDBroker(broker);
            userIDBroker.setUseAuthenticatePrincipal(isUseAuthenticatedPrincipalForJMSXUserID());
            broker = userIDBroker;
        }
        if (isMonitorConnectionSplits()) {
            broker = new ConnectionSplitBroker(broker);
        }
        if (plugins != null) {
            for (int i = 0; i < plugins.length; i++) {
                BrokerPlugin plugin = plugins[i];
                broker = plugin.installPlugin(broker);
            }
        }
        return broker;
    }

    protected PersistenceAdapter createPersistenceAdapter() throws IOException {
        if (isPersistent()) {
            PersistenceAdapterFactory fac = getPersistenceFactory();
            if (fac != null) {
                return fac.createPersistenceAdapter();
            } else {
                try {
                    String clazz = "org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter";
                    PersistenceAdapter adaptor = (PersistenceAdapter)getClass().getClassLoader().loadClass(clazz).newInstance();
                    File dir = new File(getBrokerDataDirectory(),"KahaDB");
                    adaptor.setDirectory(dir);
                    return adaptor;
                } catch (Throwable e) {
                    throw IOExceptionSupport.create(e);
                }
            }
        } else {
            return new MemoryPersistenceAdapter();
        }
    }

    protected ObjectName createBrokerObjectName() throws MalformedObjectNameException  {
        return BrokerMBeanSupport.createBrokerObjectName(getManagementContext().getJmxDomainName(), getBrokerName());
    }

    protected TransportConnector createTransportConnector(URI brokerURI) throws Exception {
        TransportServer transport = TransportFactorySupport.bind(this, brokerURI);
        return new TransportConnector(transport);
    }

    /**
     * Extracts the port from the options
     */
    protected Object getPort(Map<?,?> options) {
        Object port = options.get("port");
        if (port == null) {
            port = DEFAULT_PORT;
            LOG.warn("No port specified so defaulting to: {}", port);
        }
        return port;
    }

    protected void addShutdownHook() {
        if (useShutdownHook) {
            shutdownHook = new Thread("ActiveMQ ShutdownHook") {
                @Override
                public void run() {
                    containerShutdown();
                }
            };
            Runtime.getRuntime().addShutdownHook(shutdownHook);
        }
    }

    protected void removeShutdownHook() {
        if (shutdownHook != null) {
            try {
                Runtime.getRuntime().removeShutdownHook(shutdownHook);
            } catch (Exception e) {
                LOG.debug("Caught exception, must be shutting down. This exception is ignored.", e);
            }
        }
    }

    /**
     * Sets hooks to be executed when broker shut down
     *
     * @org.apache.xbean.Property
     */
    public void setShutdownHooks(List<Runnable> hooks) throws Exception {
        for (Runnable hook : hooks) {
            addShutdownHook(hook);
        }
    }

    /**
     * Causes a clean shutdown of the container when the VM is being shut down
     */
    protected void containerShutdown() {
        try {
            stop();
        } catch (IOException e) {
            Throwable linkedException = e.getCause();
            if (linkedException != null) {
                logError("Failed to shut down: " + e + ". Reason: " + linkedException, linkedException);
            } else {
                logError("Failed to shut down: " + e, e);
            }
            if (!useLoggingForShutdownErrors) {
                e.printStackTrace(System.err);
            }
        } catch (Exception e) {
            logError("Failed to shut down: " + e, e);
        }
    }

    protected void logError(String message, Throwable e) {
        if (useLoggingForShutdownErrors) {
            LOG.error("Failed to shut down: " + e);
        } else {
            System.err.println("Failed to shut down: " + e);
        }
    }

    /**
     * Starts any configured destinations on startup
     */
    protected void startDestinations() throws Exception {
        if (destinations != null) {
            ConnectionContext adminConnectionContext = getAdminConnectionContext();
            for (int i = 0; i < destinations.length; i++) {
                ActiveMQDestination destination = destinations[i];
                getBroker().addDestination(adminConnectionContext, destination,true);
            }
        }
        if (isUseVirtualTopics()) {
            startVirtualConsumerDestinations();
        }
    }

    /**
     * Returns the broker's administration connection context used for
     * configuring the broker at startup
     */
    public ConnectionContext getAdminConnectionContext() throws Exception {
        return BrokerSupport.getConnectionContext(getBroker());
    }

    protected void startManagementContext() throws Exception {
        getManagementContext().setBrokerName(brokerName);
        getManagementContext().start();
        adminView = new BrokerView(this, null);
        ObjectName objectName = getBrokerObjectName();
        AnnotatedMBean.registerMBean(getManagementContext(), adminView, objectName);
    }

    /**
     * Start all transport and network connections, proxies and bridges
     *
     * @throws Exception
     */
    public void startAllConnectors() throws Exception {
        Set<ActiveMQDestination> durableDestinations = getBroker().getDurableDestinations();
        List<TransportConnector> al = new ArrayList<TransportConnector>();
        for (Iterator<TransportConnector> iter = getTransportConnectors().iterator(); iter.hasNext();) {
            TransportConnector connector = iter.next();
            al.add(startTransportConnector(connector));
        }
        if (al.size() > 0) {
            // let's clear the transportConnectors list and replace it with
            // the started transportConnector instances
            this.transportConnectors.clear();
            setTransportConnectors(al);
        }
        this.slave = false;
        URI uri = getVmConnectorURI();
        Map<String, String> map = new HashMap<String, String>(URISupport.parseParameters(uri));
        map.put("network", "true");
        map.put("async", "false");
        uri = URISupport.createURIWithQuery(uri, URISupport.createQueryString(map));

        if (!stopped.get()) {
            ThreadPoolExecutor networkConnectorStartExecutor = null;
            if (isNetworkConnectorStartAsync()) {
                // spin up as many threads as needed
                networkConnectorStartExecutor = new ThreadPoolExecutor(0, Integer.MAX_VALUE,
                    10, TimeUnit.SECONDS, new SynchronousQueue<Runnable>(),
                    new ThreadFactory() {
                        int count=0;
                        @Override
                        public Thread newThread(Runnable runnable) {
                            Thread thread = new Thread(runnable, "NetworkConnector Start Thread-" +(count++));
                            thread.setDaemon(true);
                            return thread;
                        }
                    });
            }

            for (Iterator<NetworkConnector> iter = getNetworkConnectors().iterator(); iter.hasNext();) {
                final NetworkConnector connector = iter.next();
                connector.setLocalUri(uri);
                connector.setBrokerName(getBrokerName());
                connector.setDurableDestinations(durableDestinations);
                if (getDefaultSocketURIString() != null) {
                    connector.setBrokerURL(getDefaultSocketURIString());
                }
                if (networkConnectorStartExecutor != null) {
                    networkConnectorStartExecutor.execute(new Runnable() {
                        @Override
                        public void run() {
                            try {
                                LOG.info("Async start of {}", connector);
                                connector.start();
                            } catch(Exception e) {
                                LOG.error("Async start of network connector: {} failed", connector, e);
                            }
                        }
                    });
                } else {
                    connector.start();
                }
            }
            if (networkConnectorStartExecutor != null) {
                // executor done when enqueued tasks are complete
                ThreadPoolUtils.shutdown(networkConnectorStartExecutor);
            }

            for (Iterator<ProxyConnector> iter = getProxyConnectors().iterator(); iter.hasNext();) {
                ProxyConnector connector = iter.next();
                connector.start();
            }
            for (Iterator<JmsConnector> iter = jmsConnectors.iterator(); iter.hasNext();) {
                JmsConnector connector = iter.next();
                connector.start();
            }
            for (Service service : services) {
                configureService(service);
                service.start();
            }
        }
    }

    public TransportConnector startTransportConnector(TransportConnector connector) throws Exception {
        connector.setBrokerService(this);
        connector.setTaskRunnerFactory(getTaskRunnerFactory());
        MessageAuthorizationPolicy policy = getMessageAuthorizationPolicy();
        if (policy != null) {
            connector.setMessageAuthorizationPolicy(policy);
        }
        if (isUseJmx()) {
            connector = registerConnectorMBean(connector);
        }
        connector.getStatistics().setEnabled(enableStatistics);
        connector.start();
        return connector;
    }

    /**
     * Perform any custom dependency injection
     */
    protected void configureServices(Object[] services) {
        for (Object service : services) {
            configureService(service);
        }
    }

    /**
     * Perform any custom dependency injection
     */
    protected void configureService(Object service) {
        if (service instanceof BrokerServiceAware) {
            BrokerServiceAware serviceAware = (BrokerServiceAware) service;
            serviceAware.setBrokerService(this);
        }
    }

    public void handleIOException(IOException exception) {
        if (ioExceptionHandler != null) {
            ioExceptionHandler.handle(exception);
         } else {
            LOG.info("No IOExceptionHandler registered, ignoring IO exception", exception);
         }
    }

    protected void startVirtualConsumerDestinations() throws Exception {
        ConnectionContext adminConnectionContext = getAdminConnectionContext();
        Set<ActiveMQDestination> destinations = destinationFactory.getDestinations();
        DestinationFilter filter = getVirtualTopicConsumerDestinationFilter();
        if (!destinations.isEmpty()) {
            for (ActiveMQDestination destination : destinations) {
                if (filter.matches(destination) == true) {
                    broker.addDestination(adminConnectionContext, destination, false);
                }
            }
        }
    }

    private DestinationFilter getVirtualTopicConsumerDestinationFilter() {
        // created at startup, so no sync needed
        if (virtualConsumerDestinationFilter == null) {
            Set <ActiveMQQueue> consumerDestinations = new HashSet<ActiveMQQueue>();
            if (destinationInterceptors != null) {
                for (DestinationInterceptor interceptor : destinationInterceptors) {
                    if (interceptor instanceof VirtualDestinationInterceptor) {
                        VirtualDestinationInterceptor virtualDestinationInterceptor = (VirtualDestinationInterceptor) interceptor;
                        for (VirtualDestination virtualDestination: virtualDestinationInterceptor.getVirtualDestinations()) {
                            if (virtualDestination instanceof VirtualTopic) {
                                consumerDestinations.add(new ActiveMQQueue(((VirtualTopic) virtualDestination).getPrefix() + DestinationFilter.ANY_DESCENDENT));
                            }
                        }
                    }
                }
            }
            ActiveMQQueue filter = new ActiveMQQueue();
            filter.setCompositeDestinations(consumerDestinations.toArray(new ActiveMQDestination[]{}));
            virtualConsumerDestinationFilter = DestinationFilter.parseFilter(filter);
        }
        return virtualConsumerDestinationFilter;
    }

    protected synchronized ThreadPoolExecutor getExecutor() {
        if (this.executor == null) {
            this.executor = new ThreadPoolExecutor(1, 10, 60, TimeUnit.SECONDS, new LinkedBlockingQueue<Runnable>(), new ThreadFactory() {

                private long i = 0;

                @Override
                public Thread newThread(Runnable runnable) {
                    this.i++;
                    Thread thread = new Thread(runnable, "ActiveMQ BrokerService.worker." + this.i);
                    thread.setDaemon(true);
                    thread.setUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
                        @Override
                        public void uncaughtException(final Thread t, final Throwable e) {
                            LOG.error("Error in thread '{}'", t.getName(), e);
                        }
                    });
                    return thread;
                }
            }, new RejectedExecutionHandler() {
                @Override
                public void rejectedExecution(final Runnable r, final ThreadPoolExecutor executor) {
                    try {
                        executor.getQueue().offer(r, 60, TimeUnit.SECONDS);
                    } catch (InterruptedException e) {
                        throw new RejectedExecutionException("Interrupted waiting for BrokerService.worker");
                    }

                    throw new RejectedExecutionException("Timed Out while attempting to enqueue Task.");
                }
            });
        }
        return this.executor;
    }

    public synchronized Scheduler getScheduler() {
        if (this.scheduler==null) {
            this.scheduler = new Scheduler("ActiveMQ Broker["+getBrokerName()+"] Scheduler");
            try {
                this.scheduler.start();
            } catch (Exception e) {
               LOG.error("Failed to start Scheduler", e);
            }
        }
        return this.scheduler;
    }

    public Broker getRegionBroker() {
        return regionBroker;
    }

    public void setRegionBroker(Broker regionBroker) {
        this.regionBroker = regionBroker;
    }

    public void addShutdownHook(Runnable hook) {
        synchronized (shutdownHooks) {
            shutdownHooks.add(hook);
        }
    }

    public void removeShutdownHook(Runnable hook) {
        synchronized (shutdownHooks) {
            shutdownHooks.remove(hook);
        }
    }

    public boolean isSystemExitOnShutdown() {
        return systemExitOnShutdown;
    }

    /**
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setSystemExitOnShutdown(boolean systemExitOnShutdown) {
        this.systemExitOnShutdown = systemExitOnShutdown;
    }

    public int getSystemExitOnShutdownExitCode() {
        return systemExitOnShutdownExitCode;
    }

    public void setSystemExitOnShutdownExitCode(int systemExitOnShutdownExitCode) {
        this.systemExitOnShutdownExitCode = systemExitOnShutdownExitCode;
    }

    public SslContext getSslContext() {
        return sslContext;
    }

    public void setSslContext(SslContext sslContext) {
        this.sslContext = sslContext;
    }

    public boolean isShutdownOnSlaveFailure() {
        return shutdownOnSlaveFailure;
    }

    /**
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setShutdownOnSlaveFailure(boolean shutdownOnSlaveFailure) {
        this.shutdownOnSlaveFailure = shutdownOnSlaveFailure;
    }

    public boolean isWaitForSlave() {
        return waitForSlave;
    }

    /**
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setWaitForSlave(boolean waitForSlave) {
        this.waitForSlave = waitForSlave;
    }

    public long getWaitForSlaveTimeout() {
        return this.waitForSlaveTimeout;
    }

    public void setWaitForSlaveTimeout(long waitForSlaveTimeout) {
        this.waitForSlaveTimeout = waitForSlaveTimeout;
    }

    /**
     * Get the passiveSlave
     * @return the passiveSlave
     */
    public boolean isPassiveSlave() {
        return this.passiveSlave;
    }

    /**
     * Set the passiveSlave
     * @param passiveSlave the passiveSlave to set
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setPassiveSlave(boolean passiveSlave) {
        this.passiveSlave = passiveSlave;
    }

    /**
     * override the Default IOException handler, called when persistence adapter
     * has experiences File or JDBC I/O Exceptions
     *
     * @param ioExceptionHandler
     */
    public void setIoExceptionHandler(IOExceptionHandler ioExceptionHandler) {
        configureService(ioExceptionHandler);
        this.ioExceptionHandler = ioExceptionHandler;
    }

    public IOExceptionHandler getIoExceptionHandler() {
        return ioExceptionHandler;
    }

    /**
     * @return the schedulerSupport
     */
    public boolean isSchedulerSupport() {
        return this.schedulerSupport;
    }

    /**
     * @param schedulerSupport the schedulerSupport to set
     * @org.apache.xbean.Property propertyEditor="org.apache.activemq.util.BooleanEditor"
     */
    public void setSchedulerSupport(boolean schedulerSupport) {
        this.schedulerSupport = schedulerSupport;
    }

    /**
     * @return the schedulerDirectory
     */
    public File getSchedulerDirectoryFile() {
        if (this.schedulerDirectoryFile == null) {
            this.schedulerDirectoryFile = new File(getBrokerDataDirectory(), "scheduler");
        }
        return schedulerDirectoryFile;
    }

    /**
     * @param schedulerDirectory the schedulerDirectory to set
     */
    public void setSchedulerDirectoryFile(File schedulerDirectory) {
        this.schedulerDirectoryFile = schedulerDirectory;
    }

    public void setSchedulerDirectory(String schedulerDirectory) {
        setSchedulerDirectoryFile(new File(schedulerDirectory));
    }

    public int getSchedulePeriodForDestinationPurge() {
        return this.schedulePeriodForDestinationPurge;
    }

    public void setSchedulePeriodForDestinationPurge(int schedulePeriodForDestinationPurge) {
        this.schedulePeriodForDestinationPurge = schedulePeriodForDestinationPurge;
    }

    public int getMaxPurgedDestinationsPerSweep() {
        return this.maxPurgedDestinationsPerSweep;
    }

    public void setMaxPurgedDestinationsPerSweep(int maxPurgedDestinationsPerSweep) {
        this.maxPurgedDestinationsPerSweep = maxPurgedDestinationsPerSweep;
    }

    public BrokerContext getBrokerContext() {
        return brokerContext;
    }

    public void setBrokerContext(BrokerContext brokerContext) {
        this.brokerContext = brokerContext;
    }

    public void setBrokerId(String brokerId) {
        this.brokerId = new BrokerId(brokerId);
    }

    public boolean isUseAuthenticatedPrincipalForJMSXUserID() {
        return useAuthenticatedPrincipalForJMSXUserID;
    }

    public void setUseAuthenticatedPrincipalForJMSXUserID(boolean useAuthenticatedPrincipalForJMSXUserID) {
        this.useAuthenticatedPrincipalForJMSXUserID = useAuthenticatedPrincipalForJMSXUserID;
    }

    /**
     * Should MBeans that support showing the Authenticated User Name information have this
     * value filled in or not.
     *
     * @return true if user names should be exposed in MBeans
     */
    public boolean isPopulateUserNameInMBeans() {
        return this.populateUserNameInMBeans;
    }

    /**
     * Sets whether Authenticated User Name information is shown in MBeans that support this field.
     * @param value if MBeans should expose user name information.
     */
    public void setPopulateUserNameInMBeans(boolean value) {
        this.populateUserNameInMBeans = value;
    }

    /**
     * Gets the time in Milliseconds that an invocation of an MBean method will wait before
     * failing.  The default value is to wait forever (zero).
     *
     * @return timeout in milliseconds before MBean calls fail, (default is 0 or no timeout).
     */
    public long getMbeanInvocationTimeout() {
        return mbeanInvocationTimeout;
    }

    /**
     * Gets the time in Milliseconds that an invocation of an MBean method will wait before
     * failing. The default value is to wait forever (zero).
     *
     * @param mbeanInvocationTimeout
     *      timeout in milliseconds before MBean calls fail, (default is 0 or no timeout).
     */
    public void setMbeanInvocationTimeout(long mbeanInvocationTimeout) {
        this.mbeanInvocationTimeout = mbeanInvocationTimeout;
    }

    public boolean isNetworkConnectorStartAsync() {
        return networkConnectorStartAsync;
    }

    public void setNetworkConnectorStartAsync(boolean networkConnectorStartAsync) {
        this.networkConnectorStartAsync = networkConnectorStartAsync;
    }

    public boolean isAllowTempAutoCreationOnSend() {
        return allowTempAutoCreationOnSend;
    }

    /**
     * enable if temp destinations need to be propagated through a network when
     * advisorySupport==false. This is used in conjunction with the policy
     * gcInactiveDestinations for matching temps so they can get removed
     * when inactive
     *
     * @param allowTempAutoCreationOnSend
     */
    public void setAllowTempAutoCreationOnSend(boolean allowTempAutoCreationOnSend) {
        this.allowTempAutoCreationOnSend = allowTempAutoCreationOnSend;
    }

    public long getOfflineDurableSubscriberTimeout() {
        return offlineDurableSubscriberTimeout;
    }

    public void setOfflineDurableSubscriberTimeout(long offlineDurableSubscriberTimeout) {
        this.offlineDurableSubscriberTimeout = offlineDurableSubscriberTimeout;
    }

    public long getOfflineDurableSubscriberTaskSchedule() {
        return offlineDurableSubscriberTaskSchedule;
    }

    public void setOfflineDurableSubscriberTaskSchedule(long offlineDurableSubscriberTaskSchedule) {
        this.offlineDurableSubscriberTaskSchedule = offlineDurableSubscriberTaskSchedule;
    }

    public boolean shouldRecordVirtualDestination(ActiveMQDestination destination) {
        return isUseVirtualTopics() && destination.isQueue() &&
               getVirtualTopicConsumerDestinationFilter().matches(destination);
    }

    public Throwable getStartException() {
        return startException;
    }

    public boolean isStartAsync() {
        return startAsync;
    }

    public void setStartAsync(boolean startAsync) {
        this.startAsync = startAsync;
    }

    public boolean isSlave() {
        return this.slave;
    }

    public boolean isStopping() {
        return this.stopping.get();
    }

    /**
     * @return true if the broker allowed to restart on shutdown.
     */
    public boolean isRestartAllowed() {
        return restartAllowed;
    }

    /**
     * Sets if the broker allowed to restart on shutdown.
     * @return
     */
    public void setRestartAllowed(boolean restartAllowed) {
        this.restartAllowed = restartAllowed;
    }

    /**
     * A lifecycle manager of the BrokerService should
     * inspect this property after a broker shutdown has occurred
     * to find out if the broker needs to be re-created and started
     * again.
     *
     * @return true if the broker wants to be restarted after it shuts down.
     */
    public boolean isRestartRequested() {
        return restartRequested;
    }

    public void requestRestart() {
        this.restartRequested = true;
    }

    public int getStoreOpenWireVersion() {
        return storeOpenWireVersion;
    }

    public void setStoreOpenWireVersion(int storeOpenWireVersion) {
        this.storeOpenWireVersion = storeOpenWireVersion;
    }

    /**
     * @return the current number of connections on this Broker.
     */
    public int getCurrentConnections() {
        return this.currentConnections.get();
    }

    /**
     * @return the total number of connections this broker has handled since startup.
     */
    public long getTotalConnections() {
        return this.totalConnections.get();
    }

    public void incrementCurrentConnections() {
        this.currentConnections.incrementAndGet();
    }

    public void decrementCurrentConnections() {
        this.currentConnections.decrementAndGet();
    }

    public void incrementTotalConnections() {
        this.totalConnections.incrementAndGet();
    }
}