--- /dev/null
+package org.simantics.event.view.handler;\r
+\r
+import java.util.List;\r
+\r
+import org.eclipse.jface.action.Action;\r
+import org.eclipse.jface.resource.ImageDescriptor;\r
+import org.simantics.Simantics;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.Session;\r
+import org.simantics.db.VirtualGraph;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.service.VirtualGraphSupport;\r
+import org.simantics.utils.datastructures.Callback;\r
+import org.simantics.utils.ui.ErrorLogger;\r
+\r
+/**\r
+ * @author Tuukka Lehtonen\r
+ */\r
+public class DenyAction extends Action {\r
+\r
+ private final String virtualGraphId;\r
+ private final List<Resource> subjects;\r
+ private final String relationURI;\r
+\r
+ /**\r
+ * @param label\r
+ * @param image\r
+ * @param virtualGraphId\r
+ * @param tagURI\r
+ * @param tag <code>true</code> to add tag, <code>false</code> to remove tag\r
+ * @param input\r
+ */\r
+ public DenyAction(String label, ImageDescriptor image, String virtualGraphId, String relationURI, List<Resource> subjects) {\r
+ super(label, image);\r
+\r
+ this.virtualGraphId = virtualGraphId;\r
+ this.subjects = subjects;\r
+ this.relationURI = relationURI;\r
+ }\r
+\r
+ @Override\r
+ public void run() {\r
+ Session session = Simantics.peekSession();\r
+ if (session != null) {\r
+ VirtualGraph vg = virtualGraphId == null ? null :\r
+ session.getService(VirtualGraphSupport.class).getWorkspacePersistent(virtualGraphId);\r
+ session.asyncRequest(new WriteRequest(vg) {\r
+ @Override\r
+ public void perform(WriteGraph graph) throws DatabaseException {\r
+ Resource relation = graph.getResource(relationURI);\r
+ for (Resource subject : subjects)\r
+ graph.deny(subject, relation);\r
+ }\r
+ }, new Callback<DatabaseException>() {\r
+ @Override\r
+ public void run(DatabaseException parameter) {\r
+ if (parameter != null)\r
+ ErrorLogger.defaultLogError(parameter);\r
+ }\r
+ });\r
+ }\r
+ }\r
+\r
+}\r