1 /*******************************************************************************
2 * Copyright (c) 2010, 2011 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.chart.property;
14 import org.simantics.browsing.ui.swt.widgets.impl.ReadFactoryImpl;
15 import org.simantics.db.ReadGraph;
16 import org.simantics.db.Resource;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.utils.datastructures.Triple;
21 * @author Tuukka Lehtonen
23 public class DoublePropertyFactory extends ReadFactoryImpl<Resource, String> {
25 final private String propertyURI;
27 public DoublePropertyFactory(String propertyURI) {
28 this.propertyURI = propertyURI;
32 public Object getIdentity(Object inputContents) {
33 return new Triple<Resource, String, Object>((Resource) inputContents, propertyURI, getClass());
37 public String perform(ReadGraph graph, Resource r) throws DatabaseException {
38 Double value = graph.getPossibleRelatedAdapter(r, graph.getResource(propertyURI), Double.class);
39 return value != null ? value.toString() : "";