src/java/org/apache/jcs/engine/control/event/behavior/IElementEventHandler.java

package org.apache.jcs.engine.control.event.behavior;


/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License")
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */



/**
 * This interface defines the behavior for event handler.  Event handlers are
 * transient.  They are not replicated and are not written to disk.  
 * <p>
 * If you want an event handler by default for all elements in a region,
 * then you can add it to the default element attributes.  This way it will get create
 * whenever an item gets put into the cache.    
 *
 */
public interface IElementEventHandler extends IElementEventConstants
{

    /**
     *  Handle events for this element.  The events are typed.
     *
     *@param  event  The event created by the cache.
     */
    public void handleElementEvent( IElementEvent event );

}