/*
 *                 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
 */

import java.util.EventObject;
import java.util.Collections;
import java.util.Set;

public class CacheHandlerEvent extends java.util.EventObject {

    private boolean recursive = false;
    private boolean ignoreList = false;
    
    private static final long serialVersionUID = 385684866008914174L;
    
    /** Creates new CacheHandlerEvent */
    public CacheHandlerEvent(CacheFile cacheFile) {
        this(cacheFile, false);
    }
    
    public CacheHandlerEvent(CacheFile cacheFile, boolean recursive) {
        this(cacheFile, recursive, false);
    }
    
    public CacheHandlerEvent(CacheFile cacheFile, boolean recursive, boolean ignoreList) {
        super(cacheFile);
        this.recursive = recursive;
        this.ignoreList = ignoreList;
    }
    
    public CacheHandlerEvent(Set cacheFiles) {
        this(cacheFiles, false);
    }
    
    public CacheHandlerEvent(Set cacheFiles, boolean recursive) {
        this(cacheFiles, recursive, false);
    }
    
    public CacheHandlerEvent(Set cacheFiles, boolean recursive, boolean ignoreList) {
        super(Collections.unmodifiableSet(cacheFiles));
        this.recursive = recursive;
        this.ignoreList = ignoreList;
    }
    
    /**
     * Get the changed cache file. If more files were changed, return the first
     * one in the set or null if the set is empty.
     */
    public CacheFile getCacheFile() {
        Object source = getSource();
        if (source instanceof CacheFile) {
            return (CacheFile) source;
        } else {
            Set sources = (Set) source;
            if (sources.size() > 0) {
                return (CacheFile) sources.iterator().next();
            } else {
                return null;
            }
        }
    }
    
    /**
     * Get all the changed cache files.
     */
    public Set getCacheFiles() {
        Object source = getSource();
        if (source instanceof Set) {
            return (Set) source;
        } else {
            return Collections.singleton(source);
        }
    }
    
    public boolean isRecursive() {
        return recursive;
    }
    
    public boolean isIgnoreListChange() {
        return ignoreList;
    }
    
}