org.apache.openjpa.event
Class TransactionEventManager

java.lang.Object
  org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager
      org.apache.openjpa.event.TransactionEventManager

All Implemented Interfaces:

Serializable, EventManager

public class TransactionEventManager
extends AbstractConcurrentEventManager

Manager that can be used to track and notify transaction listeners of transaction-related events.

Since:

0.3.0

Author:

Patrick Linskey, Abe White

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager

_listeners

Constructor Summary

TransactionEventManager()

Method Summary

void	addListener(Object listener) Register an event listener.
protected void	fireEvent(Object event, Object listener) Fire the given event to all registered listeners.
boolean	hasBeginListeners() Whether there are any begin transaction listeners.
boolean	hasEndListeners() Whether there are any end transaction listeners.
boolean	hasFlushListeners() Whether there are any flush transaction listeners.
boolean	removeListener(Object listener) Remove an event listener.

Methods inherited from class org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager

fireEvent, getListeners, hasListener, hasListeners, isFailFast, newListenerCollection, setFailFast

Methods inherited from class java.lang.Object

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

Constructor Detail

TransactionEventManager

public TransactionEventManager()

Method Detail

addListener

public void addListener(Object listener)

Description copied from class: AbstractConcurrentEventManager

Register an event listener.

Specified by:

addListener in interface EventManager

Overrides:

addListener in class AbstractConcurrentEventManager

removeListener

public boolean removeListener(Object listener)

Description copied from class: AbstractConcurrentEventManager

Remove an event listener.

Specified by:

removeListener in interface EventManager

Overrides:

removeListener in class AbstractConcurrentEventManager

hasBeginListeners

public boolean hasBeginListeners()

Whether there are any begin transaction listeners.

hasFlushListeners

public boolean hasFlushListeners()

Whether there are any flush transaction listeners.

hasEndListeners

public boolean hasEndListeners()

Whether there are any end transaction listeners.

fireEvent

protected void fireEvent(Object event,
                         Object listener)

Fire the given event to all registered listeners.

Specified by:

fireEvent in class AbstractConcurrentEventManager