X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Ftypicals%2Frules%2FInstanceOfRule.java;fp=bundles%2Forg.simantics.modeling%2Fsrc%2Forg%2Fsimantics%2Fmodeling%2Ftypicals%2Frules%2FInstanceOfRule.java;h=da893267f8e2d6528f5a218a3d1879a9cd0bc974;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/rules/InstanceOfRule.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/rules/InstanceOfRule.java
new file mode 100644
index 000000000..da893267f
--- /dev/null
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/rules/InstanceOfRule.java
@@ -0,0 +1,62 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Semantum Oy - initial API and implementation
+ *******************************************************************************/
+package org.simantics.modeling.typicals.rules;
+
+import java.util.Collection;
+
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.modeling.typicals.ITypicalSynchronizationRule;
+import org.simantics.modeling.typicals.TypicalInfo;
+
+/**
+ * Synchronizes L0.InstanceOf relations from template to instance.
+ * 
+ * @author Tuukka Lehtonen
+ */
+public enum InstanceOfRule implements ITypicalSynchronizationRule {
+
+    INSTANCE;
+
+    public static InstanceOfRule getInstance() {
+        return INSTANCE;
+    }
+
+    @Override
+    public boolean synchronize(WriteGraph graph, Resource template, Resource instance, TypicalInfo info) throws DatabaseException {
+        boolean changed = false;
+        Layer0 L0 = Layer0.getInstance(graph);
+        Collection<Resource> templateInstanceOf = graph.getObjects(template, L0.InstanceOf);
+        Collection<Resource> instanceInstanceOf = graph.getObjects(instance, L0.InstanceOf);
+
+        for (Resource instanceOf : templateInstanceOf) {
+            if (!graph.hasStatement(instance, L0.InstanceOf, instanceOf)) {
+                graph.claim(instance, L0.InstanceOf, instanceOf);
+                info.messageLog.add("\t\t\tadd type  " + NameUtils.getSafeName(graph, instanceOf));
+                changed = true;
+            }
+        }
+        for (Resource instanceOf : instanceInstanceOf) {
+            if (!templateInstanceOf.contains(instanceOf) && graph.hasStatement(instance, L0.InstanceOf, instanceOf)) {
+                graph.deny(instance, L0.InstanceOf, instanceOf);
+                info.messageLog.add("\t\t\tremove type " + NameUtils.getSafeName(graph, instanceOf));
+                changed = true;
+            }
+        }
+
+        return changed;
+    }
+
+}