AbstractConcurrentEventManager (OpenJPA 0.9.7-incubating API) function windowTitle() { parent.document.title="AbstractConcurrentEventManager (OpenJPA 0.9.7-incubating API)"; } Overview  Package   Class  Use  Tree  Deprecated  Index  Help   PREV CLASS   NEXT CLASS FRAMES    NO FRAMES     All Classes'); } //-- All Classes SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD org.apache.openjpa.lib.util.concurrent Class AbstractConcurrentEventManager java.lang.Object org.apache.openjpa.lib.util.concurrent.AbstractConcurrentEventManager All Implemented Interfaces: EventManager Direct Known Subclasses: AbstractDataCache, AbstractQueryCache, JDBCEventConnectionDecorator, RemoteCommitEventManager, TransactionEventManager public abstract class AbstractConcurrentEventManagerextends Objectimplements EventManager Base event manager that handles adding/removing listeners and firing events. Meant for high concurrency. This class is reentrant-safe; listeners can be added and removed by other listeners when they receive events. The changes will not be visible until the event fire that initiated the recursive sequence of calls completes, however. Author: Abe White Constructor Summary AbstractConcurrentEventManager()           Default constructor.   Method Summary  void addListener(Object listener)           Register an event listener.  Exception[] fireEvent(Object event)           Fire the given event to all listeners. protected abstract  void fireEvent(Object event, Object listener)           Implement this method to fire the given event to the given listener.  Collection getListeners()           Return a read-only list of listeners.  boolean hasListener(Object listener)           Return whether the given instance is in the list of listeners.  boolean hasListeners()           Return true if there are any registered listeners.  boolean isFailFast()           Whether to fail after the first exception thrown by any listener. protected  Collection newListenerCollection()           Return a new concurrent container for listeners.  boolean removeListener(Object listener)           Remove an event listener.  void setFailFast(boolean failFast)           Whether to fail after the first exception thrown by any listener.   Methods inherited from class java.lang.Object clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait   Constructor Detail AbstractConcurrentEventManager public AbstractConcurrentEventManager() Default constructor. Method Detail isFailFast public boolean isFailFast() Whether to fail after the first exception thrown by any listener. setFailFast public void setFailFast(boolean failFast) Whether to fail after the first exception thrown by any listener. addListener public void addListener(Object listener) Register an event listener. Specified by:addListener in interface EventManager removeListener public boolean removeListener(Object listener) Remove an event listener. Specified by:removeListener in interface EventManager hasListener public boolean hasListener(Object listener) Return whether the given instance is in the list of listeners. Specified by:hasListener in interface EventManager hasListeners public boolean hasListeners() Return true if there are any registered listeners. Specified by:hasListeners in interface EventManager getListeners public Collection getListeners() Return a read-only list of listeners. Specified by:getListeners in interface EventManager fireEvent public Exception[] fireEvent(Object event) Fire the given event to all listeners. Specified by:fireEvent in interface EventManager fireEvent protected abstract void fireEvent(Object event, Object listener) throws Exception Implement this method to fire the given event to the given listener. Throws: Exception newListenerCollection protected Collection newListenerCollection() Return a new concurrent container for listeners. Uses a CopyOnWriteArrayList by default. Overview  Package   Class  Use  Tree  Deprecated  Index  Help   PREV CLASS   NEXT CLASS FRAMES    NO FRAMES     All Classes'); } //-- All Classes SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD Copyright © 2006-2007 Apache Software Foundation. All Rights Reserved.