--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.g2d.elementclass;\r
+\r
+import org.simantics.g2d.element.ElementClass;\r
+import org.simantics.g2d.element.ElementClass.Single;\r
+import org.simantics.g2d.element.handler.ElementHandler;\r
+\r
+/**\r
+ * A tagging element handler for statically informing that copying must not be\r
+ * allowed for elements of the containing {@link ElementClass}.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+@Single\r
+public interface NonCopyable extends ElementHandler {\r
+\r
+ NonCopyable INSTANCE = new NonCopyable() {\r
+ private static final long serialVersionUID = -2103544160310660220L;\r
+ };\r
+\r
+}\r