org.jpos.transaction.participant
Class Trace

java.lang.Object
  org.jpos.transaction.participant.Trace

All Implemented Interfaces:

Configurable, AbortParticipant, TransactionConstants, TransactionParticipant

public class Trace
extends java.lang.Object
implements AbortParticipant, Configurable

Field Summary

Fields inherited from interface org.jpos.transaction.TransactionConstants

ABORTED, NO_JOIN, PAUSE, PREPARED, READONLY, RETRY

Constructor Summary

Trace()

Method Summary

void	abort(long id, java.io.Serializable o) Called by TransactionManager upon transaction commit.
void	commit(long id, java.io.Serializable o) Called by TransactionManager upon transaction commit.
int	prepare(long id, java.io.Serializable o) Called by TransactionManager in preparation for a transaction
int	prepareForAbort(long id, java.io.Serializable o) Called by TransactionManager in preparation for a transaction that is known to abort.
void	setConfiguration(Configuration cfg)

Methods inherited from class java.lang.Object

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

Constructor Detail

Trace

public Trace()

Method Detail

prepare

public int prepare(long id,
                   java.io.Serializable o)

Description copied from interface: TransactionParticipant

Called by TransactionManager in preparation for a transaction

Specified by:

prepare in interface TransactionParticipant

Parameters:

id - the Transaction identifier

o - transaction context

Returns:

PREPARED or ABORTED (| NO_JOIN | READONLY)

commit

public void commit(long id,
                   java.io.Serializable o)

Description copied from interface: TransactionParticipant

Called by TransactionManager upon transaction commit. Warning: implementation should be able to handle multiple calls with the same transaction id (rare crash recovery)

Specified by:

commit in interface TransactionParticipant

Parameters:

id - the Transaction identifier

o - transaction context

abort

public void abort(long id,
                  java.io.Serializable o)

Description copied from interface: TransactionParticipant

Called by TransactionManager upon transaction commit. Warning: implementation should be able to handle multiple calls with the same transaction id (rare crash recovery)

Specified by:

abort in interface TransactionParticipant

Parameters:

id - the Transaction identifier

o - transaction context

prepareForAbort

public int prepareForAbort(long id,
                           java.io.Serializable o)

Description copied from interface: AbortParticipant

Called by TransactionManager in preparation for a transaction that is known to abort.

Specified by:

prepareForAbort in interface AbortParticipant

Parameters:

id - the Transaction identifier

o - transaction context

Returns:

0 [| NO_JOIN | READONLY)

setConfiguration

public void setConfiguration(Configuration cfg)

Specified by:

setConfiguration in interface Configurable

Parameters:

cfg - Configuration object