Package org.eclipse.ecf.core.sharedobject

Class TwoPhaseCommitEventProcessor

java.lang.Object

org.eclipse.ecf.core.sharedobject.TwoPhaseCommitEventProcessor

All Implemented Interfaces:

ISharedObjectContainerTransaction, IEventProcessor

public class TwoPhaseCommitEventProcessor
extends Object
implements IEventProcessor, ISharedObjectContainerTransaction

Implementation of two-phase commit for transactional replication of shared objects.

See Also:

• ISharedObjectTransactionConfig
• ISharedObjectTransactionParticipantsFilter

Field Summary

Fields inherited from interface org.eclipse.ecf.core.sharedobject.ISharedObjectContainerTransaction

ABORTED, ACTIVE, COMMITTED, PREPARED, VOTING

Constructor Summary

Constructors

Constructor	Description
TwoPhaseCommitEventProcessor(BaseSharedObject bse, ISharedObjectTransactionConfig config)

Method Summary

Modifier and Type	Method	Description
protected void	addFailed(ID remote, Throwable failure)
protected void	addParticipants(ID[] ids)
protected void	doTMAbort(Throwable except)
protected void	doTMCommit()
protected ISharedObjectContext	getContext()
protected ID	getHomeID()
protected int	getMinFailedToAbort()
protected BaseSharedObject	getSharedObject()
protected int	getTimeout()
byte	getTransactionState()	Get state of transaction.
protected void	handleActivated(ISharedObjectActivatedEvent event)
protected void	handleCreateResponse(ISharedObjectCreateResponseEvent event)
protected void	handleDeparted(IContainerDisconnectedEvent event)
protected void	handleJoined(IContainerConnectedEvent event)
protected void	handlePostCommitFailure(ID fromID, Throwable e, long identifier1)
protected void	handlePrimaryActivated(ISharedObjectActivatedEvent event)
protected void	handleReplicaActivated(ISharedObjectActivatedEvent event)
protected void	handleVotingCompletedCreateResponse(ID fromID, Throwable e, long identifier1)
protected boolean	isPrimary()
protected boolean	isVotingCompleted()
protected void	localCommitted()
boolean	processEvent(Event event)	Process given Event
protected void	removeParticipant(ID id)
protected void	replicateTo(ID[] remotes)
protected void	sendCommit()
protected void	setTransactionState(byte state)
protected void	trace(String msg)
protected void	traceStack(String msg, Throwable t)
void	waitToCommit()	Method called to wait for a transaction to complete.

Methods inherited from class java.lang.Object

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

Constructor Details

TwoPhaseCommitEventProcessor

public TwoPhaseCommitEventProcessor(BaseSharedObject bse,
 ISharedObjectTransactionConfig config)

Method Details

trace

protected void trace(String msg)

traceStack

protected void traceStack(String msg,
 Throwable t)

getTimeout

protected int getTimeout()

getMinFailedToAbort

protected int getMinFailedToAbort()

isPrimary

protected boolean isPrimary()

getSharedObject

protected BaseSharedObject getSharedObject()

getHomeID

protected ID getHomeID()

addParticipants

protected void addParticipants(ID[] ids)

removeParticipant

protected void removeParticipant(ID id)

addFailed

protected void addFailed(ID remote,
 Throwable failure)

getContext

protected ISharedObjectContext getContext()

processEvent

public boolean processEvent(Event event)

Description copied from interface: IEventProcessor

Process given Event

Specified by:

processEvent in interface IEventProcessor

Parameters:

event - the Event to process

Returns:

true if the event has been successfully processed and no further processing should occur. False if the event should receive further processing by another event processor (e.g. in a chain)

handleActivated

protected void handleActivated(ISharedObjectActivatedEvent event)

replicateTo

protected void replicateTo(ID[] remotes)

handlePrimaryActivated

protected void handlePrimaryActivated(ISharedObjectActivatedEvent event)

handleReplicaActivated

protected void handleReplicaActivated(ISharedObjectActivatedEvent event)

handleJoined

protected void handleJoined(IContainerConnectedEvent event)

handleCreateResponse

protected void handleCreateResponse(ISharedObjectCreateResponseEvent event)

handleDeparted

protected void handleDeparted(IContainerDisconnectedEvent event)

handleVotingCompletedCreateResponse

protected void handleVotingCompletedCreateResponse(ID fromID,
 Throwable e,
 long identifier1)

handlePostCommitFailure

protected void handlePostCommitFailure(ID fromID,
 Throwable e,
 long identifier1)

sendCommit

protected void sendCommit()
                   throws SharedObjectAddAbortException

Throws:

SharedObjectAddAbortException

getTransactionState

public byte getTransactionState()

Description copied from interface: ISharedObjectContainerTransaction

Get state of transaction. Returns one of 'ACTIVE', 'VOTING', 'PREPARED', 'COMMITTED', or 'ABORTED'.

Specified by:

getTransactionState in interface ISharedObjectContainerTransaction

Returns:

byte code. Returns one of 'ACTIVE', 'VOTING', 'PREPARED', 'COMMITTED', or 'ABORTED'.

setTransactionState

protected void setTransactionState(byte state)

waitToCommit

public void waitToCommit()
                  throws SharedObjectAddAbortException

Description copied from interface: ISharedObjectContainerTransaction

Method called to wait for a transaction to complete.

Specified by:

waitToCommit in interface ISharedObjectContainerTransaction

Throws:

SharedObjectAddAbortException

doTMAbort

protected void doTMAbort(Throwable except)
                  throws SharedObjectAddAbortException

Throws:

SharedObjectAddAbortException

doTMCommit

protected void doTMCommit()
                   throws SharedObjectAddAbortException

Throws:

SharedObjectAddAbortException

localCommitted

protected void localCommitted()

isVotingCompleted

protected boolean isVotingCompleted()
                             throws SharedObjectAddAbortException

Throws:

SharedObjectAddAbortException