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.modeling.actions;
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14 import java.util.Collections;
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15 import java.util.HashSet;
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16 import java.util.List;
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17 import java.util.Set;
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19 import org.simantics.db.Resource;
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20 import org.simantics.db.Session;
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21 import org.simantics.db.WriteGraph;
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22 import org.simantics.db.common.request.WriteRequest;
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23 import org.simantics.db.exception.DatabaseException;
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24 import org.simantics.diagram.flag.FlagUtil;
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25 import org.simantics.layer0.Layer0;
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26 import org.simantics.layer0.utils.operations.Operation;
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27 import org.simantics.utils.datastructures.Callback;
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28 import org.simantics.utils.datastructures.persistent.IContextMap;
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29 import org.simantics.utils.ui.ErrorLogger;
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31 public class DisconnectFlag extends Operation {
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33 public DisconnectFlag() {
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34 super("Disconnect");
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38 public void exec(Session session, IContextMap parameters) {
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39 final Resource flag = (Resource) parameters.get(SUBJECT);
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40 session.asyncRequest(new WriteRequest() {
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42 public void perform(WriteGraph g) throws DatabaseException {
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43 disconnectFlags(g, Collections.singletonList(flag));
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45 }, new Callback<DatabaseException>() {
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47 public void run(DatabaseException parameter) {
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48 if (parameter != null)
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49 ErrorLogger.defaultLogError("Flag disconnect failed, see exception for details.", parameter);
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54 public static int disconnectFlags(WriteGraph graph, List<Resource> flags) throws DatabaseException {
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55 Layer0 L0 = Layer0.getInstance(graph);
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57 for (Resource flag : flags) {
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58 Set<Resource> counterParts = FlagUtil.getCounterparts(graph, flag,
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59 new HashSet<Resource>(Collections.singleton(flag)));
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60 FlagUtil.disconnectFlag(graph, flag);
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61 for (Resource f : counterParts)
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62 graph.denyValue(f, L0.HasLabel);
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