/*
 *                 Sun Public License Notice
 * 
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://www.sun.com/
 * 
 * The Original Code is NetBeans. The Initial Developer of the Original
 * Code is Sun Microsystems, Inc. Portions Copyright 1997-2000 Sun
 * Microsystems, Inc. All Rights Reserved.
 */

package org.netbeans.modules.vcscore.cache;

/**
 *
 * @author  mkleint
 * @version 
 */

public interface CacheHandlerListener extends java.util.EventListener {

    /**
     * is called when a file/dir is added to the cache. The filesystem should 
     * generally perform findResource() on the dir the added files is in 
     * and do refresh of that directory.
     * Note: 
     */
    public void cacheAdded(CacheHandlerEvent event);
    
    /**
     * is Called when a file/dir is removed from cache.
     */
    public void cacheRemoved(CacheHandlerEvent event);
    
    /**
     * is called each time the status of a file changes in cache.
     * The filesystem has to decide wheater it affects him (only in case when 
     * there's not the 1-to-1 relationship between cache and fs.
     */
    public void statusChanged(CacheHandlerEvent event);
    
}