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

Class FailureSuspectedSignalImpl

java.lang.Object

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

All Implemented Interfaces:

com.sun.enterprise.ee.cms.core.FailureSuspectedSignal, com.sun.enterprise.ee.cms.core.Signal

public class FailureSuspectedSignalImpl
extends Object
implements com.sun.enterprise.ee.cms.core.FailureSuspectedSignal

Version:

$Revision$

Author:

Shreedhar Ganapathy Date: Sep 14, 2005

Field Summary

Fields

Modifier and Type	Field	Description
protected GMSContext	ctx
protected String	failedMember
protected String	groupName
protected static Logger	logger
protected static String	MEMBER_DETAILS
protected long	startTime

Constructor Summary

Constructors

Constructor	Description
FailureSuspectedSignalImpl(String failedMember, String groupName, long startTime)

Method Summary

Modifier and Type	Method	Description
void	acquire()	Signal is acquired prior to processing of the signal to protect group resources being acquired from being affected by a race condition Signal must be mandatorily acquired before any processing for recovery operations.
String	getGroupName()	returns the group to which the member involved in the Signal belonged to
Map<Serializable,Serializable>	getMemberDetails()	returns the details of the member who caused this Signal to be generated returns a Map containing key-value pairs constituting data pertaining to the member's details
String	getMemberToken()	returns the identity token of the member that caused this signal to be generated.
long	getStartTime()	returns the start time of the member involved in this Signal.
void	release()	Signal is released after processing of the signal to bring the group resources to a state of availability Signal should be madatorily released after recovery process is completed.

Methods inherited from class java.lang.Object

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

Field Detail

failedMember

protected String failedMember

groupName

protected String groupName

MEMBER_DETAILS

protected static final String MEMBER_DETAILS

See Also:

Constant Field Values

ctx

protected GMSContext ctx

logger

protected static final Logger logger

startTime

protected long startTime

Constructor Detail

FailureSuspectedSignalImpl

public FailureSuspectedSignalImpl(String failedMember,
                                  String groupName,
                                  long startTime)

Method Detail

acquire

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

Signal is acquired prior to processing of the signal to protect group resources being acquired from being affected by a race condition Signal must be mandatorily acquired before any processing for recovery operations.

Specified by:

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

Throws:

com.sun.enterprise.ee.cms.core.SignalAcquireException - Exception when unable to acquire the signal

release

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

Signal is released after processing of the signal to bring the group resources to a state of availability Signal should be madatorily released after recovery process is completed.

Specified by:

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

Throws:

com.sun.enterprise.ee.cms.core.SignalReleaseException - Exception when unable to release the signal

getMemberToken

public String getMemberToken()

returns the identity token of the member that caused this signal to be generated. For instance, in the case of a MessageSignal, this member token would be the sender. In the case of a FailureNotificationSignal, this member token would be the failed member. In the case of a JoinNotificationSignal or GracefulShutdownSignal, the member token would be the member who joined or is being gracefully shutdown, respectively.

Specified by:

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

getMemberDetails

public Map<Serializable,Serializable> getMemberDetails()

returns the details of the member who caused this Signal to be generated returns a Map containing key-value pairs constituting data pertaining to the member's details

Specified by:

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

Returns:

Map <Serializable, Serializable>

getGroupName

public String getGroupName()

returns the group to which the member involved in the Signal belonged to

Specified by:

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

Returns:

String

getStartTime

public long getStartTime()

returns the start time of the member involved in this Signal.

Specified by:

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

Returns:

long - time stamp of when this member started