org.getobjects.eocontrol.EOGlobalID.java Source code

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Here is the source code for org.getobjects.eocontrol.EOGlobalID.java

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/*
  Copyright (C) 2007-2009 Helge Hess
    
  This file is part of Go.
    
  Go 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, or (at your option) any
  later version.
    
  Go 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 Go; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/
package org.getobjects.eocontrol;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.getobjects.foundation.NSObject;

/**
 * EOGlobalID
 * <p>
 * An EOGlobalID is an identifier for an object managed by EOControl or
 * EOAccess. The most common subclass is EOKeyGlobalID which is often used
 * to represent a primary key in a relational database.
 */
public abstract class EOGlobalID extends NSObject implements Cloneable {
    protected static final Log log = LogFactory.getLog("EOGlobalID");

    /**
     * EOGlobalIDs are always immutable, so the clone() method returns the
     * object itself.
     */
    public Object clone() {
        return this;
    }

    public boolean isTemporary() {
        return false;
    }
}