]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.charts/src/org/simantics/charts/query/FindChartItemForTrendItem.java
Fixed all line endings of the repository
[simantics/platform.git] / bundles / org.simantics.charts / src / org / simantics / charts / query / FindChartItemForTrendItem.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management
3  * in Industry THTH ry.
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
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.charts.query;
13
14 import org.simantics.charts.ontology.ChartResource;
15 import org.simantics.db.ReadGraph;
16 import org.simantics.db.Resource;
17 import org.simantics.db.common.request.BinaryRead;
18 import org.simantics.db.common.request.ObjectsWithType;
19 import org.simantics.db.exception.DatabaseException;
20 import org.simantics.layer0.Layer0;
21 import org.simantics.trend.configuration.TrendItem;
22
23 /**
24  * @author Tuukka Lehtonen
25  */
26 public class FindChartItemForTrendItem extends BinaryRead<Resource, TrendItem, Resource> {
27
28     public FindChartItemForTrendItem(Resource chart, TrendItem item) {
29         super(chart, item);
30     }
31
32     @Override
33     public Resource perform(ReadGraph graph) throws DatabaseException {
34         Layer0 L0 = Layer0.getInstance(graph);
35         ChartResource CHART = ChartResource.getInstance(graph);
36         for (Resource chartItem : graph.syncRequest(new ObjectsWithType(parameter, L0.ConsistsOf, CHART.Chart_Item))) {
37             TrendItem trendItem = graph.sync( new TrendItemQuery(chartItem) );
38             if (trendItem.equals(parameter2))
39                 return chartItem;
40         }
41         return null;
42     }
43
44 }