org.apache.derby.iapi.transaction

Class TransactionControl

java.lang.Object

org.apache.derby.iapi.transaction.TransactionControl

public final class TransactionControl
extends java.lang.Object

Provide support to transactions to manage sets of actions to perform at transaction boundaries.

Add rollback of savepoints? TODO: A

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.ArrayList	listeners

Constructor Summary

Constructors

Constructor and Description
TransactionControl()

Method Summary

Modifier and Type	Method and Description
void	addListener(TransactionListener listener) Add a listener to the curent transaction.
void	preCommitNotify() Notify all listeners that a commit is about to occur.
void	preRollbackNotify() Notify all listeners that a rollback is about to occur.
void	removeListener(TransactionListener listener) Remove a listener from the current transaction.

Methods inherited from class java.lang.Object

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

Field Detail

listeners

private final java.util.ArrayList listeners

Constructor Detail

TransactionControl

public TransactionControl()

Method Detail

addListener

public void addListener(TransactionListener listener)

Add a listener to the curent transaction. A listener may be added multiple times and it will receive multiple callbacks.

removeListener

public void removeListener(TransactionListener listener)

Remove a listener from the current transaction.

preCommitNotify

public void preCommitNotify()
                     throws StandardException

Notify all listeners that a commit is about to occur. If a listener throws an exception then no further listeners will be notified and a StandardException with rollback severity will be thrown.

Throws:

StandardException

preRollbackNotify

public void preRollbackNotify()
                       throws StandardException

Notify all listeners that a rollback is about to occur. If a listener throws an exception then no further listeners will be notified and a StandardException with shutdown database(?) severity will be thrown.

Throws:

StandardException