CompositeDataMap.java

/*
 *  Copyright (C) 2004  The Concord Consortium, Inc.,
 *  10 Concord Crossing, Concord, MA 01742
 *
 *  Web Site: http://www.concord.org
 *  Email: info@concord.org
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * END LICENSE */

/*
 * Last modification information:
 * $Revision: 1.3 $
 * $Date: 2007-10-02 01:07:23 $
 * $Author: scytacki $
 *
 * Licence Information
 * Copyright 2004 The Concord Consortium 
*/
package org.concord.otrunk.overlay;

import org.concord.otrunk.datamodel.OTDataCollection;
import org.concord.otrunk.datamodel.OTDataMap;


final class CompositeDataMap extends CompositeDataCollection
	implements OTDataMap
{
    public CompositeDataMap(CompositeDataObject parent, 
    		OTDataMap authoredMap, String resourceName, boolean composite)
    {
    	super(OTDataMap.class, parent, authoredMap, resourceName, composite);
    }
    
	private OTDataMap getUserMap()
	{
		return (OTDataMap)getCollectionForWrite();
	}
	
	private OTDataMap getMapForRead()
	{
		return (OTDataMap)getCollectionForRead();
	}
	
	protected void copyInto(OTDataCollection userCollection,
			OTDataCollection authoredCollection)
	{
		OTDataMap authoredMap = (OTDataMap)authoredCollection;
		OTDataMap userMap = (OTDataMap) userCollection;
		
		String [] keys = authoredMap.getKeys();		
		for(int i=0; i<keys.length; i++) {
			userMap.put(keys[i], authoredMap.get(keys[i]));
		}
	}

    /* (non-Javadoc)
     * @see org.concord.framework.otrunk.OTResourceMap#get(java.lang.String)
     */
    public Object get(String key)
    {
    	OTDataMap mapForRead = getMapForRead();

	    if(mapForRead == null) return null;
	    
		return mapForRead.get(key);
    }
    
    /* (non-Javadoc)
     * @see org.concord.framework.otrunk.OTResourceMap#getKeys()
     */
    public String[] getKeys()
    {
    	OTDataMap mapForRead = getMapForRead();

	    if(mapForRead == null) return new String[0];
	    
		return mapForRead.getKeys();
    }
    
    /* (non-Javadoc)
     * @see org.concord.framework.otrunk.OTResourceMap#put(java.lang.String, java.lang.Object)
     */
    public Object put(String key, Object resource)
    {
    	OTDataMap userMap = getUserMap();
    	resource = resolveIDResource(resource);
    	return userMap.put(key, resource);
    }    
}