1 /*******************************************************************************
\r
2 * Copyright (c) 2013 Association for Decentralized Information Management
\r
3 * in Industry THTH ry.
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * Semantum Oy - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.g2d.elementclass;
\r
14 import org.simantics.g2d.element.ElementClass.Single;
\r
15 import org.simantics.g2d.element.handler.ElementHandler;
\r
18 * A tagging element handler for telling whether an element can be considered a
\r
19 * reference element. This means that the element is not a direct representation of
\r
20 * what it references and the life cycle of the referenced object does not depend
\r
21 * on the life cycle of this element.
\r
23 * This is used as a guiding for diagram copy paste.
\r
25 * @author Tuukka Lehtonen
\r
28 public interface ReferenceElement extends ElementHandler {
\r
30 ReferenceElement INSTANCE = new ReferenceElement() {
\r
31 private static final long serialVersionUID = 305657929840186623L;
\r