com.arjuna.mwlabs.wscf.model.twophase.arjunacore

Class ParticipantRecord

java.lang.Object

com.arjuna.ats.arjuna.StateManager

com.arjuna.ats.arjuna.coordinator.AbstractRecord

com.arjuna.mwlabs.wscf.model.twophase.arjunacore.ParticipantRecord

public class ParticipantRecord
extends com.arjuna.ats.arjuna.coordinator.AbstractRecord

Arjuna abstract record to handle two-phase participants.

Version:

$Id: ParticipantRecord.java,v 1.11 2005/06/09 09:41:27 nmcl Exp $

Author:

Mark Little (mark.little@arjuna.com)

Field Summary

Fields inherited from class com.arjuna.ats.arjuna.StateManager

modifyingActions, objectModel, objectUid, usingActions

Constructor Summary

Constructors

Constructor and Description
ParticipantRecord()
ParticipantRecord(Participant theResource, com.arjuna.ats.arjuna.common.Uid id) Constructor.

Method Summary

Modifier and Type	Method and Description
void	alter(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)
static com.arjuna.ats.arjuna.coordinator.AbstractRecord	create()
boolean	doSave()
boolean	forgetHeuristic() The record generated a heuristic and can now forget about it.
boolean	isPermittedTopLevelOnePhaseCommit() The WSCF does not implement 1PC properly and it fails to run it safely in data consistent manner.
void	merge(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)
int	nestedAbort() The record is being driven through nested rollback.
int	nestedCommit() The record is being driven through nested commit.
int	nestedOnePhaseCommit() The record is being driven through nested commit and is the only resource.
int	nestedPrepare() The record is being driven through nested prepare.
void	print(PrintWriter strm)
boolean	propagateOnCommit() Override AbstractRecord.propagateOnCommit
void	readonly()
boolean	restore_state(com.arjuna.ats.arjuna.state.InputObjectState os, int t)
void	rolledback()
boolean	save_state(com.arjuna.ats.arjuna.state.OutputObjectState os, int t)
void	setValue(Object o) Set the internal value.
boolean	shouldAdd(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)
boolean	shouldAlter(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)
boolean	shouldMerge(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)
boolean	shouldReplace(com.arjuna.ats.arjuna.coordinator.AbstractRecord rec)
int	topLevelAbort() The record is being driven through top-level rollback.
int	topLevelCommit() The record is being driven through top-level commit.
int	topLevelOnePhaseCommit() The record is being driven through top-level commit and is the only resource.
int	topLevelPrepare() The record is being driven through top-level prepare.
String	type()
int	typeIs() The type of this abstract record.
Object	value() The internal value.

Methods inherited from class com.arjuna.ats.arjuna.coordinator.AbstractRecord

clearHeuristicDecision, create, equals, getNext, getPrevious, getTypeOfObject, greaterThan, lessThan, nestedCleanup, order, propagateOnAbort, replace, setNext, setPrevious, topLevelCleanup

Methods inherited from class com.arjuna.ats.arjuna.StateManager

activate, activate, cleanup, createLists, deactivate, deactivate, deactivate, destroy, disable, forgetAction, get_uid, getMutex, getObjectModel, getStore, getStoreRoot, loadObjectState, lockMutex, modified, objectType, packHeader, persist, rememberAction, setStatus, setupStore, setupStore, setupStore, status, terminate, tryLockMutex, unlockMutex, unpackHeader

Methods inherited from class java.lang.Object

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

Constructor Detail

ParticipantRecord

public ParticipantRecord(Participant theResource,
                         com.arjuna.ats.arjuna.common.Uid id)

Constructor.

Parameters:

theResource - is the proxy that allows us to call out to the object.

ParticipantRecord

public ParticipantRecord()

Method Detail

propagateOnCommit

public boolean propagateOnCommit()

Override AbstractRecord.propagateOnCommit

Overrides:

propagateOnCommit in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

typeIs

public int typeIs()

The type of this abstract record.

Specified by:

typeIs in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

value

public Object value()

The internal value.

Specified by:

value in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

setValue

public void setValue(Object o)

Set the internal value. Not allowed for this class.

Specified by:

setValue in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

nestedAbort

public int nestedAbort()

The record is being driven through nested rollback.

Specified by:

nestedAbort in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

nestedCommit

public int nestedCommit()

The record is being driven through nested commit.

Specified by:

nestedCommit in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

nestedPrepare

public int nestedPrepare()

The record is being driven through nested prepare.

Specified by:

nestedPrepare in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

topLevelAbort

public int topLevelAbort()

The record is being driven through top-level rollback.

Specified by:

topLevelAbort in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

topLevelCommit

public int topLevelCommit()

The record is being driven through top-level commit.

Specified by:

topLevelCommit in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

topLevelPrepare

public int topLevelPrepare()

The record is being driven through top-level prepare.

Specified by:

topLevelPrepare in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

nestedOnePhaseCommit

public int nestedOnePhaseCommit()

The record is being driven through nested commit and is the only resource.

Overrides:

nestedOnePhaseCommit in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

isPermittedTopLevelOnePhaseCommit

public boolean isPermittedTopLevelOnePhaseCommit()

The WSCF does not implement 1PC properly and it fails to run it safely in data consistent manner. Returning false to disable 1PC optimization for the WSCF records. See JBTM-396 and JBTM-3138.

Overrides:

isPermittedTopLevelOnePhaseCommit in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

topLevelOnePhaseCommit

public int topLevelOnePhaseCommit()

The record is being driven through top-level commit and is the only resource.

Overrides:

topLevelOnePhaseCommit in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

forgetHeuristic

public boolean forgetHeuristic()

The record generated a heuristic and can now forget about it.

Overrides:

forgetHeuristic in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

create

public static com.arjuna.ats.arjuna.coordinator.AbstractRecord create()

print

public void print(PrintWriter strm)

Overrides:

print in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

restore_state

public boolean restore_state(com.arjuna.ats.arjuna.state.InputObjectState os,
                             int t)

Overrides:

restore_state in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

save_state

public boolean save_state(com.arjuna.ats.arjuna.state.OutputObjectState os,
                          int t)

Overrides:

save_state in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

type

public String type()

Overrides:

type in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

doSave

public boolean doSave()

Overrides:

doSave in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

merge

public void merge(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)

Specified by:

merge in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

alter

public void alter(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)

Specified by:

alter in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

shouldAdd

public boolean shouldAdd(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)

Specified by:

shouldAdd in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

shouldAlter

public boolean shouldAlter(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)

Specified by:

shouldAlter in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

shouldMerge

public boolean shouldMerge(com.arjuna.ats.arjuna.coordinator.AbstractRecord a)

Specified by:

shouldMerge in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

shouldReplace

public boolean shouldReplace(com.arjuna.ats.arjuna.coordinator.AbstractRecord rec)

Specified by:

shouldReplace in class com.arjuna.ats.arjuna.coordinator.AbstractRecord

rolledback

public final void rolledback()

readonly

public final void readonly()