+/*******************************************************************************\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.db.services.adaption.reflection;\r
+\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+public class AtMostOneRelatedResource2 implements IDynamicAdapter2 {\r
+\r
+ Resource relation;\r
+ \r
+ public AtMostOneRelatedResource2(Resource relation) {\r
+ this.relation = relation;\r
+ }\r
+ \r
+ @Override\r
+ public Class<?> getType() {\r
+ return Resource.class;\r
+ }\r
+\r
+ @Override\r
+ public Resource adapt(ReadGraph g, Resource r) throws DatabaseException {\r
+ return g.getPossibleObject(r, relation);\r
+ }\r
+\r
+}\r