1 /*******************************************************************************
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2 * Copyright (c) 2013 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 * Semantum Oy - 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.Collection;
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17 import java.util.Set;
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19 import org.simantics.db.ReadGraph;
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20 import org.simantics.db.Resource;
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21 import org.simantics.db.common.request.UnaryRead;
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22 import org.simantics.db.common.utils.ListUtils;
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23 import org.simantics.db.exception.DatabaseException;
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24 import org.simantics.issues.ontology.IssueResource;
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27 * A request for calculating the set of issue context resources for the
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28 * specified collection of issue resources.
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30 * @author Tuukka Lehtonen
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32 public class IssueResourcesContexts extends UnaryRead<Collection<Resource>, Set<Resource>> {
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34 public IssueResourcesContexts(Collection<Resource> issues) {
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39 public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
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40 IssueResource ISSUE = IssueResource.getInstance(graph);
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41 Set<Resource> result = new THashSet<Resource>();
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42 for(Resource issue : parameter) {
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43 result.addAll(graph.getObjects(issue, ISSUE.Issue_HasContext));
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44 Resource list = graph.getPossibleObject(issue, ISSUE.Issue_HasContexts);
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45 if(list != null) result.addAll(ListUtils.toList(graph, list));
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