Interface TransactionParticipant

All Superinterfaces:

TransactionConstants

All Known Subinterfaces:

AbortParticipant, GroupSelector

All Known Implementing Classes:

BSHGroupSelector, BSHTransactionParticipant, CheckFields, CheckPoint, Debug, Delay, Forward, HasEntry, Join, JSParticipant, Pause, ProtectDebugInfo, QueryHost, SelectDestination, SendResponse, Switch, Trace

public interface TransactionParticipant
extends TransactionConstants

2 phase commit participant

Since:

1.4.7

Field Summary

Fields inherited from interface TransactionConstants

ABORTED, FAIL, NO_JOIN, PAUSE, PREPARED, READONLY, RETRY

Modifier and Type	Field	Description
static final int	ABORTED	Transaction has been aborted.
static final int	FAIL	Shortcut for a read-only, non-joining abort (READONLY | NO_JOIN).
static final int	NO_JOIN	This participant does not join the transaction
static final int	PAUSE	Transaction is paused.
static final int	PREPARED	Transaction has been prepared successfully.
static final int	READONLY	Context has not been modified (no need to persist a snapshot)
static final int	RETRY	Transaction should be retried.

Method Summary

Modifier and Type	Method	Description
default void	abort(long id, Serializable context)	Called by TransactionManager upon transaction commit.
default void	commit(long id, Serializable context)	Called by TransactionManager upon transaction commit.
int	prepare(long id, Serializable context)	Called by TransactionManager in preparation for a transaction

Method Details

prepare

int prepare(long id,
 Serializable context)

Called by TransactionManager in preparation for a transaction

Parameters:

id - the Transaction identifier

context - transaction context

Returns:

PREPARED or ABORTED (| NO_JOIN | READONLY)

commit

default void commit(long id,
 Serializable context)

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

Parameters:

id - the Transaction identifier

context - transaction context

abort

default void abort(long id,
 Serializable context)

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

Parameters:

id - the Transaction identifier

context - transaction context