org.rhq.plugins.jbossas5.helper
Class JmxConnectionHelper

java.lang.Object
  org.rhq.plugins.jbossas5.helper.JmxConnectionHelper

public class JmxConnectionHelper
extends java.lang.Object

Shared helper class to connect to a remote server

Author:

Heiko W. Rupp

Field Summary

static java.lang.String	CONNECTOR_ADDRESS
static java.lang.String	CONNECTOR_CREDENTIALS
static java.lang.String	CONNECTOR_DESCRIPTOR_TYPE
static java.lang.String	CONNECTOR_PRINCIPAL
static java.lang.String	JBOSS_HOME_DIR

Constructor Summary

JmxConnectionHelper(boolean copyConnectionLibraries, java.io.File tmpDir)
Constructs a new connection helper.

Method Summary

void	closeConnection() If necessary attempt to close the EMS connection, then set this.connection null.
org.mc4j.ems.connection.EmsConnection	getEmsConnection() Obtain an EmsConnection.
org.mc4j.ems.connection.EmsConnection	getEmsConnection(Configuration config) Obtain an EmsConnection for the passed connection properties.

Methods inherited from class java.lang.Object

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

Field Detail

CONNECTOR_DESCRIPTOR_TYPE

public static final java.lang.String CONNECTOR_DESCRIPTOR_TYPE

See Also:

Constant Field Values

CONNECTOR_ADDRESS

public static final java.lang.String CONNECTOR_ADDRESS

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Constant Field Values

CONNECTOR_PRINCIPAL

public static final java.lang.String CONNECTOR_PRINCIPAL

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Constant Field Values

CONNECTOR_CREDENTIALS

public static final java.lang.String CONNECTOR_CREDENTIALS

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Constant Field Values

JBOSS_HOME_DIR

public static final java.lang.String JBOSS_HOME_DIR

See Also:

Constant Field Values

Constructor Detail

JmxConnectionHelper

public JmxConnectionHelper(boolean copyConnectionLibraries,
                           java.io.File tmpDir)

Constructs a new connection helper.

Parameters:

copyConnectionLibraries - whether to copy the libraries need for the connection so that the ems classloader doesn't block the application access to them.

tmpDir - the temporary directory to use when copying the libraries

Method Detail

getEmsConnection

public org.mc4j.ems.connection.EmsConnection getEmsConnection(Configuration config)

Obtain an EmsConnection for the passed connection properties. The properties will be retained. To create a connection with different properties, use this method again with a different set of properties.

Parameters:

config - Configuration properties for this connection

Returns:

an EmsConnection or null in case of failure

See Also:

getEmsConnection()

getEmsConnection

public org.mc4j.ems.connection.EmsConnection getEmsConnection()

Obtain an EmsConnection. This will only work if the connection properties have passed before via a call to getEmsConnection(Configuration)

Returns:

an EmsConnection or null in case of failure

See Also:

getEmsConnection(org.rhq.core.domain.configuration.Configuration)

closeConnection

public void closeConnection()

If necessary attempt to close the EMS connection, then set this.connection null. Synchronized ensure we play well with loadConnection.