org.ow2.jasmine.jadort.service.action
Class AbstractJMXAction

java.lang.Object
  org.ow2.jasmine.jadort.service.action.AbstractAction
      org.ow2.jasmine.jadort.service.action.AbstractJMXAction

Direct Known Subclasses:

ServerAction, VMMAction

public abstract class AbstractJMXAction
extends AbstractAction

Action for any JMX-based action.

Author:

Malek Chahine, S. Ali Tokmen

Field Summary

protected javax.management.remote.JMXConnector	connector
static long	JMX_CHECK_TIMEOUT Timeout for checking JMX connections, in seconds.
static long	JMX_CONNECT_TIMEOUT Timeout for establishing JMX connections, in seconds.
protected javax.management.MBeanServerConnection	mbscnx

Constructor Summary

AbstractJMXAction()

Method Summary

void	checkJMXConnection() Checks if the JMX connection is still alive and reconnects if necessary.
protected abstract void	connectViaJMX() Connects via JMX.
void	disconnectJMX() Disconnects all JMX-related resources.
protected void	establishJMXConnection(javax.management.remote.JMXServiceURL url, java.util.Map<java.lang.String,java.lang.Object> env) Establish a JMX connection, either with a timeout or not.

Methods inherited from class org.ow2.jasmine.jadort.service.action.AbstractAction

appendToLog, flushLog

Methods inherited from class java.lang.Object

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

Field Detail

JMX_CONNECT_TIMEOUT

public static final long JMX_CONNECT_TIMEOUT

Timeout for establishing JMX connections, in seconds.

If 0 or negative, no timeout is ever used.

See Also:

Constant Field Values

JMX_CHECK_TIMEOUT

public static final long JMX_CHECK_TIMEOUT

Timeout for checking JMX connections, in seconds.

If 0 or negative, no timeout is ever used.

See Also:

Constant Field Values

mbscnx

protected javax.management.MBeanServerConnection mbscnx

connector

protected javax.management.remote.JMXConnector connector

Constructor Detail

AbstractJMXAction

public AbstractJMXAction()

Method Detail

establishJMXConnection

protected void establishJMXConnection(javax.management.remote.JMXServiceURL url,
                                      java.util.Map<java.lang.String,java.lang.Object> env)
                               throws java.lang.Exception

Establish a JMX connection, either with a timeout or not.

Parameters:

url - URL to connect to.

env - JMX environment.

Throws:

java.lang.Exception - If any exception occurs.

checkJMXConnection

public void checkJMXConnection()
                        throws java.lang.Exception

Checks if the JMX connection is still alive and reconnects if necessary.

Throws:

java.lang.Exception - If any error occurs when reconnecting.

connectViaJMX

protected abstract void connectViaJMX()
                               throws java.lang.Exception

Connects via JMX. This is expected to call establishJMXConnection(JMXServiceURL, Map) at some point.

Throws:

java.lang.Exception - If any exception occurs.

disconnectJMX

public void disconnectJMX()

Disconnects all JMX-related resources.