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[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / query / FlagTables.java
1 /*******************************************************************************\r
2  * Copyright (c) 2012 Association for Decentralized Information Management in\r
3  * Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.diagram.query;\r
13 \r
14 import gnu.trove.map.hash.THashMap;\r
15 \r
16 import java.util.Map;\r
17 \r
18 import org.simantics.db.ReadGraph;\r
19 import org.simantics.db.Resource;\r
20 import org.simantics.db.common.request.ResourceRead;\r
21 import org.simantics.db.common.uri.UnescapedChildMapOfResource;\r
22 import org.simantics.db.exception.DatabaseException;\r
23 import org.simantics.modeling.template2d.ontology.Template2dResource;\r
24 \r
25 /**\r
26  * @author Tuukka Lehtonen\r
27  */\r
28 public class FlagTables extends ResourceRead<Map<String, Resource>> {\r
29 \r
30     public FlagTables(Resource drawingTemplate) {\r
31         super(drawingTemplate);\r
32     }\r
33 \r
34     @Override\r
35     public Map<String, Resource> perform(ReadGraph graph) throws DatabaseException {\r
36         Map<String, Resource> childMap = graph.syncRequest(new UnescapedChildMapOfResource(resource));\r
37         if (childMap.isEmpty())\r
38             return childMap;\r
39 \r
40         Template2dResource TEMPLATE2D = Template2dResource.getInstance(graph);\r
41         Map<String, Resource> flagTables = new THashMap<String, Resource>(childMap.size());\r
42         for (Map.Entry<String, Resource> entry : childMap.entrySet()) {\r
43             if (graph.isInstanceOf(entry.getValue(), TEMPLATE2D.FlagTable)) {\r
44                 flagTables.put(entry.getKey(), entry.getValue());\r
45             }\r
46         }\r
47 \r
48         return flagTables;\r
49     }\r
50 \r
51 }\r