Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.mapping / src / org / simantics / mapping / CompositeModification.java

diff --git a/bundles/org.simantics.mapping/src/org/simantics/mapping/CompositeModification.java b/bundles/org.simantics.mapping/src/org/simantics/mapping/CompositeModification.java
new file mode 100644 (file)
index 0000000..be57cc7
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+++ b/bundles/org.simantics.mapping/src/org/simantics/mapping/CompositeModification.java
@@ -0,0 +1,46 @@
+/*******************************************************************************\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.mapping;\r
+\r
+import java.util.Collection;\r
+\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.layer0.utils.triggers.IModification;\r
+import org.simantics.layer0.utils.triggers.ITrigger;\r
+\r
+/**\r
+ * Composes multiple triggers into one modification that performs\r
+ * all modifications generated by the triggers.\r
+ */\r
+public class CompositeModification implements IModification {\r
+       Collection<ITrigger> triggers;\r
+\r
+       public CompositeModification(Collection<ITrigger> triggers) {\r
+               this.triggers = triggers;\r
+       }\r
+\r
+       @Override\r
+       public void perform(WriteGraph g) throws DatabaseException {\r
+               for(ITrigger trigger : triggers) {\r
+                       while(true) {\r
+                               IModification modi = g.syncRequest(trigger);\r
+                               if(modi != null)\r
+                                       modi.perform(g);\r
+                               else\r
+                                       break;\r
+                       }\r
+               }\r
+       }\r
+       \r
+       \r
+}\r