Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.objmap2 / src / org / simantics / objmap / graph / annotations / factories / RelatedElementsRuleFactory.java

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/annotations/factories/RelatedElementsRuleFactory.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/annotations/factories/RelatedElementsRuleFactory.java
new file mode 100644 (file)
index 0000000..d5cce13
--- /dev/null
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/annotations/factories/RelatedElementsRuleFactory.java
@@ -0,0 +1,43 @@
+/*******************************************************************************\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.factories;\r
+\r
+import java.lang.annotation.Annotation;\r
+import java.lang.reflect.Field;\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.exception.ResourceNotFoundException;\r
+import org.simantics.db.exception.ServiceException;\r
+import org.simantics.db.exception.ValidationException;\r
+import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;\r
+import org.simantics.objmap.graph.annotations.RelatedElements;\r
+import org.simantics.objmap.graph.rules.MappedElementsRule;\r
+import org.simantics.objmap.graph.rules.domain.RelatedObjectsAccessor;\r
+import org.simantics.objmap.graph.rules.factory.IFieldRuleFactory;\r
+import org.simantics.objmap.graph.rules.range.FieldAccessor;\r
+\r
+\r
+public class RelatedElementsRuleFactory<Range> implements IFieldRuleFactory<Resource, Range> {\r
+\r
+    @Override\r
+    public IBidirectionalMappingRule<Resource, Range> create(ReadGraph g, Annotation _annotation, Field field) throws ResourceNotFoundException, ValidationException, ServiceException {\r
+        RelatedElements annotation = (RelatedElements)_annotation;\r
+        return new MappedElementsRule<Resource,Range>(\r
+                new RelatedObjectsAccessor(g.getResource(annotation.value()),\r
+                        annotation.composition()),\r
+                new FieldAccessor<Range,Collection<Range>>(field)\r
+                );\r
+    }\r
+\r
+}\r