com.sun.enterprise.ee.cms.impl.common

Class FailureRecoverySignalImpl

java.lang.Object

com.sun.enterprise.ee.cms.impl.common.FailureNotificationSignalImpl

com.sun.enterprise.ee.cms.impl.common.FailureRecoverySignalImpl

All Implemented Interfaces:

com.sun.enterprise.ee.cms.core.AliveAndReadySignal, com.sun.enterprise.ee.cms.core.FailureNotificationSignal, com.sun.enterprise.ee.cms.core.FailureRecoverySignal, com.sun.enterprise.ee.cms.core.Signal

public class FailureRecoverySignalImpl
extends FailureNotificationSignalImpl
implements com.sun.enterprise.ee.cms.core.FailureRecoverySignal

Implements the FailureRecoverySignal Interface and provides operations corresponding to a recovery oriented Signal's behavior

Version:

$Revision$

Author:

Shreedhar Ganapathy Date: November 07, 2003

Field Summary

Fields inherited from class com.sun.enterprise.ee.cms.impl.common.FailureNotificationSignalImpl

ctx, failedMember, groupName, logger, MEMBER_DETAILS, startTime

Constructor Summary

Constructors

Constructor and Description
FailureRecoverySignalImpl(String componentName, String failedMember, String groupName, long startTime)

Method Summary

Modifier and Type	Method and Description
void	acquire() Must be called by client before beginning any recovery operation in order to get support of failure fencing.
String	getComponentName()
void	release() Must be called by client after recovery operation is complete to bring the group state up-to-date on this recovery operation.

Methods inherited from class com.sun.enterprise.ee.cms.impl.common.FailureNotificationSignalImpl

getCurrentView, getFailedMemberToken, getGroupName, getMemberDetails, getMemberToken, getPreviousView, getStartTime

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.sun.enterprise.ee.cms.core.FailureNotificationSignal

getFailedMemberToken

Methods inherited from interface com.sun.enterprise.ee.cms.core.Signal

getGroupName, getMemberDetails, getMemberToken, getStartTime

Methods inherited from interface com.sun.enterprise.ee.cms.core.AliveAndReadySignal

getCurrentView, getPreviousView

Constructor Detail

FailureRecoverySignalImpl

public FailureRecoverySignalImpl(String componentName,
                                 String failedMember,
                                 String groupName,
                                 long startTime)

Method Detail

acquire

public void acquire()
             throws com.sun.enterprise.ee.cms.core.SignalAcquireException

Must be called by client before beginning any recovery operation in order to get support of failure fencing.

Specified by:

acquire in interface com.sun.enterprise.ee.cms.core.Signal

Overrides:

acquire in class FailureNotificationSignalImpl

Throws:

com.sun.enterprise.ee.cms.core.SignalAcquireException - Exception when signal is not acquired

release

public void release()
             throws com.sun.enterprise.ee.cms.core.SignalReleaseException

Must be called by client after recovery operation is complete to bring the group state up-to-date on this recovery operation. Not doing so will leave a stale entry in the group's state.

Specified by:

release in interface com.sun.enterprise.ee.cms.core.Signal

Overrides:

release in class FailureNotificationSignalImpl

Throws:

com.sun.enterprise.ee.cms.core.SignalReleaseException - the exception when signal is not released

getComponentName

public String getComponentName()

Specified by:

getComponentName in interface com.sun.enterprise.ee.cms.core.FailureRecoverySignal