Package com.arjuna.ats.internal.jta.recovery.arjunacore

Class NodeNameXAResourceOrphanFilter

java.lang.Object

com.arjuna.ats.internal.jta.recovery.arjunacore.NodeNameXAResourceOrphanFilter

All Implemented Interfaces:

XAResourceOrphanFilter

public class NodeNameXAResourceOrphanFilter
extends Object
implements XAResourceOrphanFilter

An XAResourceOrphanFilter which uses node name information encoded in the xid to determine if they should be rolled back or not. Note that this filter does not check xid format id, and therefore may attempt to extract node name information from foreign xids, resulting in random behaviour. Probably best combined with a filter that verifies formatIds.

Author:

Jonathan Halliday (jonathan.halliday@redhat.com), 2010-03

Nested Class Summary

Nested classes/interfaces inherited from interface com.arjuna.ats.jta.recovery.XAResourceOrphanFilter

XAResourceOrphanFilter.Vote

Field Summary

Fields

Modifier and Type	Field	Description
static final String	RECOVER_ALL_NODES

Constructor Summary

Constructors

Constructor	Description
NodeNameXAResourceOrphanFilter()

Method Summary

Modifier and Type	Method	Description
XAResourceOrphanFilter.Vote	checkXid(Xid xid)	Called by the XARecoveryModule for each in-doubt Xid.

Methods inherited from class java.lang.Object

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

Field Details

RECOVER_ALL_NODES

public static final String RECOVER_ALL_NODES

See Also:

• Constant Field Values

Constructor Details

NodeNameXAResourceOrphanFilter

public NodeNameXAResourceOrphanFilter()

Method Details

checkXid

public XAResourceOrphanFilter.Vote checkXid(Xid xid)

Description copied from interface: XAResourceOrphanFilter

Called by the XARecoveryModule for each in-doubt Xid. Implementations should return Vote.ROLLBACK if they recognize the xid and believe it should be aborted. Vote.LEAVE_ALONE if they recognize the xid and do not want the XARecovery module to roll it back. Vote.ABSTAIN if they do not recognize the xid. Each registered XAResourceOrphanFilter will be consulted before any rollback on each recovery pass, so they may change their mind over time e.g. if new information becomes available due to other recovery activity.

Specified by:

checkXid in interface XAResourceOrphanFilter

Parameters:

xid - The in-doubt xid.

Returns:

a Vote in accordance with the guidelines above.