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.structural2.internal.queries;
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14 import java.util.Collection;
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15 import java.util.Collections;
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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.BinaryRead;
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21 import org.simantics.db.exception.DatabaseException;
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22 import org.simantics.structural2.queries.ConnectionSet;
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25 * Returns all connections that are reachable from the given ConnectionJoin
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26 * excluding the provided excluded connections
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28 * @author Hannu Niemistö
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30 public class RelatedConnectionsOfConnectionJoin extends BinaryRead<Resource, Collection<Resource>, Set<Resource>>{
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32 public RelatedConnectionsOfConnectionJoin(Resource join) {
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33 super(join, Collections.<Resource>emptySet());
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36 public RelatedConnectionsOfConnectionJoin(Resource join, Collection<Resource> excludedConnections) {
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37 super(join, excludedConnections);
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41 public Set<Resource> perform(ReadGraph g) throws DatabaseException {
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42 ConnectionSet connectionSet = new ConnectionSet(g);
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43 connectionSet.excludeConnections(parameter2);
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44 connectionSet.addJoin(g, parameter);
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45 return connectionSet.getConnections();
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