trunk/reference-impl/src/main/java/net/sf/taverna/t2/reference/impl/AbstractEntityImpl.java

/*******************************************************************************
 * Copyright (C) 2007 The University of Manchester   
 * 
 *  Modifications to the initial code base are copyright of their
 *  respective authors, or their employers as appropriate.
 * 
 *  This program 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 program 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 program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 ******************************************************************************/
package net.sf.taverna.t2.reference.impl;

import net.sf.taverna.t2.reference.T2Reference;

/**
 * Abstract superclass of ReferenceSetImpl, IdentifiedArrayList and
 * ErrorDocumentImpl, manages the T2Reference field for these types and their
 * hibernate backing.
 * 
 * @author Tom Oinn
 * 
 */
public class AbstractEntityImpl {

	private T2ReferenceImpl id;

	private String compactId = null;

	public T2Reference getId() {
		return id;
	}

	/**
	 * This method is only ever called from within Hibernate, and is used to
	 * initialize the unique ID of this reference set.
	 */
	public void setTypedId(T2ReferenceImpl newId) {
		this.id = newId;
	}

	/**
	 * Used because technically you can't accept and return implementation types
	 * in the methods on a bean which implements an interface, but Hibernate
	 * needs to construct concrete input and output types!
	 */
	public T2ReferenceImpl getTypedId() {
		return this.id;
	}

	public void setInternalId(String newId) {
		this.compactId = newId;
	}

	public final String getInternalId() {
		if (this.compactId == null) {
			this.compactId = id.getCompactForm();
		}
		return this.compactId;
	}

}