1 /*******************************************************************************
2 * Copyright (c) 2007, 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.charts.query;
14 import org.simantics.charts.ontology.ChartResource;
15 import org.simantics.databoard.Bindings;
16 import org.simantics.db.ReadGraph;
17 import org.simantics.db.Resource;
18 import org.simantics.db.common.request.ResourceRead;
19 import org.simantics.db.exception.DatabaseException;
21 public class ChartItemIndexQuery extends ResourceRead<Integer> {
23 public ChartItemIndexQuery(Resource resource) {
28 public Integer perform(ReadGraph graph) throws DatabaseException {
29 ChartResource CHART = ChartResource.getInstance(graph);
30 return graph.getPossibleRelatedValue(resource, CHART.Chart_Item_Index, Bindings.INTEGER);