Package org.jboss.msc.service

Class DelegatingServiceContainer

java.lang.Object

org.jboss.msc.service.DelegatingServiceContainer

All Implemented Interfaces:

ServiceContainer, ServiceRegistry, ServiceTarget

public class DelegatingServiceContainer
extends Object
implements ServiceContainer

A delegating container for things which depend on a service container rather than a specific target or registry instance.

Author:

David M. Lloyd, Richard Opalka

Nested Class Summary

Nested classes/interfaces inherited from interface org.jboss.msc.service.ServiceContainer

ServiceContainer.Factory, ServiceContainer.TerminateListener

Constructor Summary

Constructors

Constructor	Description
DelegatingServiceContainer(ServiceTarget serviceTargetDelegate, ServiceRegistry serviceRegistryDelegate)	Construct a new instance.

Method Summary

Modifier and Type	Method	Description
ServiceContainer	addDependency(ServiceName dependency)	Deprecated.
ServiceContainer	addListener(LifecycleListener listener)	Add a service lifecycle listener that will be added to this service.
ServiceTarget	addMonitor(StabilityMonitor monitor)	Deprecated.
ServiceBuilder<?>	addService(ServiceName name)	Get a builder which can be used to add a service to this target.
<T> ServiceBuilder<T>	addService(ServiceName name, Service<T> service)	Deprecated.
void	addTerminateListener(ServiceContainer.TerminateListener listener)	Add a terminate listener to this container.
void	awaitStability()	Causes the current thread to wait until the container is stable.
boolean	awaitStability(long timeout, TimeUnit unit)	Causes the current thread to wait until the container is stable.
boolean	awaitStability(long timeout, TimeUnit unit, Set<? super ServiceController<?>> failed, Set<? super ServiceController<?>> problem)	Causes the current thread to wait until the container is stable.
void	awaitStability(Set<? super ServiceController<?>> failed, Set<? super ServiceController<?>> problem)	Causes the current thread to wait until the container is stable.
void	awaitTermination()	Causes the current thread to wait until the container is shutdown.
void	awaitTermination(long timeout, TimeUnit unit)	Causes the current thread to wait until the container is shutdown.
void	dumpServices()	Dump a complete list of services to System.out.
void	dumpServices(PrintStream stream)	Dump a complete list of services to the given stream.
String	getName()	Get the name of this service container.
ServiceController<?>	getRequiredService(ServiceName serviceName)	Get a service, throwing an exception if it is not found.
ServiceController<?>	getService(ServiceName serviceName)	Get a service, returning null if it is not found.
List<ServiceName>	getServiceNames()	Get a list of service names installed in this registry.
protected ServiceRegistry	getServiceRegistryDelegate()	Get the ServiceRegistry delegate.
protected ServiceTarget	getServiceTargetDelegate()	Get the ServiceTarget delegate.
boolean	isShutdown()	Whether container have been shut down.
boolean	isShutdownComplete()	Determine whether the container is completely shut down.
ServiceContainer	removeListener(LifecycleListener listener)	Remove a lifecycle listener from this target, if it exists.
ServiceTarget	removeMonitor(StabilityMonitor monitor)	Deprecated.
void	shutdown()	Stop all services within this container.
ServiceTarget	subTarget()	Create a sub-target using this as the parent target.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DelegatingServiceContainer

public DelegatingServiceContainer(ServiceTarget serviceTargetDelegate,
                                  ServiceRegistry serviceRegistryDelegate)

Construct a new instance.

Parameters:

serviceTargetDelegate - the delegate to forward service target requests to

serviceRegistryDelegate - the delegate to forward registry requests to

Method Detail

getServiceTargetDelegate

protected ServiceTarget getServiceTargetDelegate()

Get the ServiceTarget delegate.

Returns:

ServiceTarget delegate

getServiceRegistryDelegate

protected ServiceRegistry getServiceRegistryDelegate()

Get the ServiceRegistry delegate.

Returns:

ServiceRegistry delegate

addService

public ServiceBuilder<?> addService(ServiceName name)
                             throws IllegalArgumentException

Get a builder which can be used to add a service to this target.

Specified by:

addService in interface ServiceTarget

Parameters:

name - the service name

Returns:

new service configurator

Throws:

IllegalArgumentException

addListener

public ServiceContainer addListener(LifecycleListener listener)

Add a service lifecycle listener that will be added to this service.

Specified by:

addListener in interface ServiceTarget

Parameters:

listener - the lifecycle listener to add to the service

Returns:

this target

removeListener

public ServiceContainer removeListener(LifecycleListener listener)

Remove a lifecycle listener from this target, if it exists.

Specified by:

removeListener in interface ServiceTarget

Parameters:

listener - the lifecycle listener to remove

Returns:

this target

subTarget

public ServiceTarget subTarget()

Create a sub-target using this as the parent target.

Specified by:

subTarget in interface ServiceTarget

Returns:

the new service target

getRequiredService

public ServiceController<?> getRequiredService(ServiceName serviceName)
                                        throws ServiceNotFoundException

Get a service, throwing an exception if it is not found.

Specified by:

getRequiredService in interface ServiceRegistry

Parameters:

serviceName - the service name

Returns:

the service controller for the corresponding service

Throws:

ServiceNotFoundException - if the service is not present in the registry

getService

public ServiceController<?> getService(ServiceName serviceName)

Get a service, returning null if it is not found.

Specified by:

getService in interface ServiceRegistry

Parameters:

serviceName - the service name

Returns:

the service controller for the corresponding service, or null if it is not found

getServiceNames

public List<ServiceName> getServiceNames()

Get a list of service names installed in this registry.

Specified by:

getServiceNames in interface ServiceRegistry

Returns:

the list

getName

public String getName()

Get the name of this service container.

Specified by:

getName in interface ServiceContainer

Returns:

the container name

shutdown

public void shutdown()

Stop all services within this container.

Specified by:

shutdown in interface ServiceContainer

isShutdown

public boolean isShutdown()

Whether container have been shut down.

Specified by:

isShutdown in interface ServiceContainer

Returns:

true if container is shutting down

isShutdownComplete

public boolean isShutdownComplete()

Determine whether the container is completely shut down.

Specified by:

isShutdownComplete in interface ServiceContainer

Returns:

true if shutdown is complete

dumpServices

public void dumpServices()

Dump a complete list of services to System.out.

Specified by:

dumpServices in interface ServiceContainer

dumpServices

public void dumpServices(PrintStream stream)

Dump a complete list of services to the given stream.

Specified by:

dumpServices in interface ServiceContainer

Parameters:

stream - the stream to which the service list should be written

addTerminateListener

public void addTerminateListener(ServiceContainer.TerminateListener listener)

Add a terminate listener to this container. The added listener will be invoked when this container shutdown process is complete.

Specified by:

addTerminateListener in interface ServiceContainer

Parameters:

listener - the listener

awaitTermination

public void awaitTermination()

Causes the current thread to wait until the container is shutdown.

Specified by:

awaitTermination in interface ServiceContainer

awaitTermination

public void awaitTermination(long timeout,
                             TimeUnit unit)
                      throws InterruptedException

Causes the current thread to wait until the container is shutdown.

Specified by:

awaitTermination in interface ServiceContainer

Parameters:

timeout - the maximum time to wait

unit - the time unit of the timeout argument

Throws:

InterruptedException - if the current thread is interrupted while waiting

awaitStability

public void awaitStability()
                    throws InterruptedException

Causes the current thread to wait until the container is stable.

Specified by:

awaitStability in interface ServiceContainer

Throws:

InterruptedException - if the current thread is interrupted while waiting

awaitStability

public boolean awaitStability(long timeout,
                              TimeUnit unit)
                       throws InterruptedException

Causes the current thread to wait until the container is stable.

Specified by:

awaitStability in interface ServiceContainer

Parameters:

timeout - the maximum time to wait

unit - the time unit of the timeout argument

Returns:

true if this container achieved stability, false if the timeout elapsed before stability

Throws:

InterruptedException - if the current thread is interrupted while waiting

awaitStability

public void awaitStability(Set<? super ServiceController<?>> failed,
                           Set<? super ServiceController<?>> problem)
                    throws InterruptedException

Causes the current thread to wait until the container is stable.

Specified by:

awaitStability in interface ServiceContainer

Parameters:

failed - a set into which failed services should be copied

problem - a set into which problem services should be copied

Throws:

InterruptedException - if the current thread is interrupted while waiting

awaitStability

public boolean awaitStability(long timeout,
                              TimeUnit unit,
                              Set<? super ServiceController<?>> failed,
                              Set<? super ServiceController<?>> problem)
                       throws InterruptedException

Causes the current thread to wait until the container is stable.

Specified by:

awaitStability in interface ServiceContainer

Parameters:

timeout - the maximum time to wait

unit - the time unit of the timeout argument

failed - a set into which failed services should be copied

problem - a set into which problem services should be copied

Returns:

true if this container achieved stability, false if the timeout elapsed before stability

Throws:

InterruptedException - if the current thread is interrupted while waiting

addService

@Deprecated
public <T> ServiceBuilder<T> addService(ServiceName name,
                                        Service<T> service)
                                 throws IllegalArgumentException

Deprecated.

Get a builder which can be used to add a service to this target.

Specified by:

addService in interface ServiceTarget

Parameters:

name - the service name

service - the service

Returns:

the builder for the service

Throws:

IllegalArgumentException

addMonitor

@Deprecated
public ServiceTarget addMonitor(StabilityMonitor monitor)

Deprecated.

Add a stability monitor that will be added to all the ServiceBuilders installed in this target.

Specified by:

addMonitor in interface ServiceTarget

Parameters:

monitor - the monitor to add to the target

Returns:

this target

removeMonitor

@Deprecated
public ServiceTarget removeMonitor(StabilityMonitor monitor)

Deprecated.

Remove a monitor from this target, if it exists.

Specified by:

removeMonitor in interface ServiceTarget

Parameters:

monitor - the monitor to remove

Returns:

this target

addDependency

@Deprecated
public ServiceContainer addDependency(ServiceName dependency)

Deprecated.

Add a dependency that will be added to the all ServiceBuilders installed in this target.

Specified by:

addDependency in interface ServiceTarget

Parameters:

dependency - the dependency to add to the target

Returns:

this target