Class Delay

java.lang.Object

org.jpos.transaction.participant.Delay

All Implemented Interfaces:

Configurable, AbortParticipant, TransactionConstants, TransactionParticipant

public class Delay
extends Object
implements AbortParticipant, Configurable

Delay participant Can be used for debugging/testing purposes. It just delays the transaction callbacks.

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.

Constructor Summary

Constructors

Constructor	Description
Delay()	Default constructor; no instance state to initialise.

Method Summary

Modifier and Type	Method	Description
void	abort(long id, Serializable context)	Called by TransactionManager upon transaction commit.
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
void	setConfiguration(Configuration cfg)	Configures this object with the supplied Configuration.

Methods inherited from class Object

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

Methods inherited from interface AbortParticipant

prepareForAbort

Modifier and Type	Method	Description
default int	prepareForAbort(long id, Serializable context)	Called by TransactionManager in preparation for a transaction that is known to abort.

Constructor Details

Delay

public Delay()

Default constructor; no instance state to initialise.

Method Details

prepare

public int prepare(long id,
 Serializable context)

Description copied from interface: TransactionParticipant

Called by TransactionManager in preparation for a transaction

Specified by:

prepare in interface TransactionParticipant

Parameters:

id - the Transaction identifier

context - transaction context

Returns:

PREPARED or ABORTED (| NO_JOIN | READONLY)

commit

public void commit(long id,
 Serializable context)

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

context - transaction context

abort

public void abort(long id,
 Serializable context)

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

context - transaction context

setConfiguration

public void setConfiguration(Configuration cfg)
                      throws ConfigurationException

Description copied from interface: Configurable

Configures this object with the supplied Configuration.

Specified by:

setConfiguration in interface Configurable

Parameters:

cfg - Configuration object

Throws:

ConfigurationException - if the configuration is invalid