git-svn-id: https://www.simantics.org/svn/simantics/3d/trunk@22280 ac1ea38d-2e2b...

[simantics/3d.git] / org.simantics.g3d / src / org / simantics / proconf / g3d / actions / ReadAction.java

diff --git a/org.simantics.g3d/src/org/simantics/proconf/g3d/actions/ReadAction.java b/org.simantics.g3d/src/org/simantics/proconf/g3d/actions/ReadAction.java
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+++ b/org.simantics.g3d/src/org/simantics/proconf/g3d/actions/ReadAction.java
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+/*******************************************************************************\r
+ * Copyright (c) 2007- VTT Technical Research Centre of Finland.\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.proconf.g3d.actions;\r
+\r
+import org.simantics.db.Graph;\r
+import org.simantics.db.GraphRequest;\r
+import org.simantics.db.GraphRequestAdapter;\r
+import org.simantics.db.GraphRequestStatus;\r
+import org.simantics.db.Session;\r
+import org.simantics.proconf.g3d.base.ThreeDimensionalEditorBase;\r
+\r
+public abstract class ReadAction extends ContextAction {\r
+       boolean sync;\r
+       public ReadAction(ThreeDimensionalEditorBase parent, boolean sync) {\r
+               super(parent);\r
+               this.sync = sync;\r
+       }\r
+\r
+       @Override\r
+       public final void run() {\r
+               Session session = parent.getSession();\r
+               if(!canActivate()) {\r
+                       return;\r
+               }\r
+               GraphRequest r = new GraphRequestAdapter() {\r
+                       @Override\r
+                       public GraphRequestStatus perform(Graph g) throws Exception {\r
+                               doChanges(g);\r
+                               return GraphRequestStatus.transactionComplete();\r
+                       }\r
+               };\r
+               if (sync) {\r
+                       session.syncRead(r);\r
+               } else {\r
+                       session.asyncRead(r);\r
+               } \r
+       }\r
+       \r
+       public abstract void doChanges(Graph graph) throws Exception;\r
+\r
+       public boolean canActivate() {\r
+               return true;\r
+       }\r
+}\r