1 /*******************************************************************************
2 * Copyright (c) 2012 Association for Decentralized Information Management in
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.modeling.ui.diagram.monitor;
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.common.request.BinaryRead;
17 import org.simantics.db.exception.DatabaseException;
20 * @author Tuukka Lehtonen
22 public class MonitorVariableValueRequest extends BinaryRead<Resource, Resource, MonitorVariableValue> {
24 public MonitorVariableValueRequest(Resource runtimeDiagram, Resource monitorElement) {
25 super(runtimeDiagram, monitorElement);
29 public MonitorVariableValue perform(ReadGraph graph) throws DatabaseException {
30 MonitorVariable monitorVariable = graph.syncRequest(new ResolveMonitorVariable(parameter, parameter2));
31 if (monitorVariable == null)
33 String value = graph.syncRequest(new MonitorValue(monitorVariable.getExpression(), monitorVariable.getFormat(),
34 monitorVariable.getVariable()));
35 return new MonitorVariableValue(monitorVariable, value);