com.arjuna.ats.internal.txoj.abstractrecords

Class CadaverLockRecord

java.lang.Object

com.arjuna.ats.arjuna.StateManager

com.arjuna.ats.arjuna.coordinator.AbstractRecord

com.arjuna.ats.internal.txoj.abstractrecords.LockRecord

com.arjuna.ats.internal.txoj.abstractrecords.CadaverLockRecord

public class CadaverLockRecord
extends LockRecord

Field Summary

Fields inherited from class com.arjuna.ats.internal.txoj.abstractrecords.LockRecord

actionHandle

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

modifyingActions, objectModel, objectUid, usingActions

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CadaverLockRecord()
	CadaverLockRecord(LockStore store, LockManager lm, BasicAction currAct)

Method Summary

Methods

Modifier and Type	Method and Description
int	nestedAbort() A rollback of a nested transaction has occurred.
int	nestedCommit() A commit of a nested transaction has occurred.
void	print(PrintWriter strm) Write information about this specific instance to the specified stream.
boolean	propagateOnAbort() Determine if records are discarded on action abort or must be propagated to parents.
void	replace(AbstractRecord ar) The current record is about to replace the one presented.
boolean	shouldReplace(AbstractRecord ar) Should we replace the record presented with the current record?
int	topLevelAbort() A rollback of a top-level transaction has occurred.
int	topLevelCommit() A commit of a top-level transaction has occurred.
String	type() Re-implementation of abstract methods inherited from base class.

Methods inherited from class com.arjuna.ats.internal.txoj.abstractrecords.LockRecord

alter, isReadOnly, lockType, merge, nestedPrepare, restore_state, save_state, setValue, shouldAdd, shouldAlter, shouldMerge, topLevelPrepare, toString, typeIs, value

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

create, doSave, equals, forgetHeuristic, getNext, getPrevious, getTypeOfObject, greaterThan, lessThan, nestedCleanup, nestedOnePhaseCommit, order, propagateOnCommit, setNext, setPrevious, topLevelCleanup, topLevelOnePhaseCommit

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, wait, wait, wait

Constructor Detail

CadaverLockRecord

public CadaverLockRecord(LockStore store,
                 LockManager lm,
                 BasicAction currAct)

CadaverLockRecord

protected CadaverLockRecord()

Method Detail

propagateOnAbort

public boolean propagateOnAbort()

Description copied from class: AbstractRecord

Determine if records are discarded on action abort or must be propagated to parents.

Overrides:

propagateOnAbort in class AbstractRecord

Returns:

true if the record should be propagated to the parent transaction if the current transaction rolls back, false otherwise. The default is false.

nestedAbort

public int nestedAbort()

Description copied from class: AbstractRecord

A rollback of a nested transaction has occurred.

Overrides:

nestedAbort in class LockRecord

Returns:

TwoPhaseOutcome to indicate success/failure.

See Also:

TwoPhaseOutcome

nestedCommit

public int nestedCommit()

Description copied from class: AbstractRecord

A commit of a nested transaction has occurred.

Overrides:

nestedCommit in class LockRecord

Returns:

TwoPhaseOutcome to indicate success/failure.

See Also:

TwoPhaseOutcome

topLevelAbort

public int topLevelAbort()

Description copied from class: AbstractRecord

A rollback of a top-level transaction has occurred.

Overrides:

topLevelAbort in class LockRecord

Returns:

TwoPhaseOutcome to indicate success/failure.

See Also:

TwoPhaseOutcome

topLevelCommit

public int topLevelCommit()

Description copied from class: AbstractRecord

A commit of a top-level transaction has occurred.

Overrides:

topLevelCommit in class LockRecord

Returns:

TwoPhaseOutcome to indicate success/failure.

See Also:

TwoPhaseOutcome

print

public void print(PrintWriter strm)

Description copied from class: AbstractRecord

Write information about this specific instance to the specified stream.

Overrides:

print in class LockRecord

Parameters:

strm - the stream on which to output.

type

public String type()

Description copied from class: AbstractRecord

Re-implementation of abstract methods inherited from base class.

Overrides:

type in class LockRecord

shouldReplace

public boolean shouldReplace(AbstractRecord ar)

Description copied from class: AbstractRecord

Should we replace the record presented with the current record?

Overrides:

shouldReplace in class LockRecord

Parameters:

ar - The record to try to replace.

Returns:

true if the record should be replaced, false otherwise.

replace

public void replace(AbstractRecord ar)

Description copied from class: AbstractRecord

The current record is about to replace the one presented. This method is invoked to give the current record a chance to copy information, for example, from the record being replaced.

Overrides:

replace in class AbstractRecord

Parameters:

ar - the record that will replace this instance.