Interface GroupSelector

All Superinterfaces:

TransactionConstants, TransactionParticipant

All Known Implementing Classes:

BSHGroupSelector, HasEntry, Switch

public interface GroupSelector
extends TransactionParticipant

GroupSelector can be implemented by a TransactionParticipant in order to switch the transaction to a new group of participants.

Since:

1.4.7

See Also:

• TransactionParticipant

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
String	select(long id, Serializable context)	Selects the transaction group to execute.

Methods inherited from interface TransactionParticipant

abort, commit, prepare

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

select

String select(long id,
 Serializable context)

Selects the transaction group to execute.

Parameters:

id - transaction id

context - transaction context

Returns:

group name or null for no-action