--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2013 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.objmap.graph.annotations;\r
+\r
+import java.lang.annotation.ElementType;\r
+import java.lang.annotation.Retention;\r
+import java.lang.annotation.RetentionPolicy;\r
+import java.lang.annotation.Target;\r
+\r
+import org.simantics.objmap.graph.annotations.meta.IsFieldRule;\r
+import org.simantics.objmap.graph.rules.adapters.IdentityAdapter;\r
+import org.simantics.objmap.graph.rules.adapters.ValueAdapter;\r
+\r
+\r
+\r
+/**\r
+ * Specifies a correspondence between a field and \r
+ * functional property.\r
+ * @author Hannu Niemistö\r
+ */\r
+@Retention(RetentionPolicy.RUNTIME)\r
+@Target(ElementType.FIELD)\r
+@IsFieldRule\r
+public @interface RelatedValue {\r
+ String value();\r
+ Class<? extends ValueAdapter> adapter() default IdentityAdapter.class;\r
+}\r