1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.issues.common;
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14 import gnu.trove.set.hash.THashSet;
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16 import java.util.Set;
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18 import org.simantics.db.ReadGraph;
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19 import org.simantics.db.Resource;
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20 import org.simantics.db.common.request.ResourceRead;
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21 import org.simantics.db.common.utils.ListUtils;
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22 import org.simantics.db.exception.DatabaseException;
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23 import org.simantics.issues.ontology.IssueResource;
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26 * A request for calculating the set of issue context resources for the
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27 * specified issue resource.
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29 * @author Antti Villberg
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31 public class IssueResourceContexts extends ResourceRead<Set<Resource>> {
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33 public IssueResourceContexts(Resource issue) {
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38 public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
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39 IssueResource ISSUE = IssueResource.getInstance(graph);
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40 Set<Resource> result = new THashSet<Resource>();
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41 result.addAll(graph.getObjects(resource, ISSUE.Issue_HasContext));
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42 Resource list = graph.getPossibleObject(resource, ISSUE.Issue_HasContexts);
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43 if(list != null) result.addAll(ListUtils.toList(graph, list));
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