1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.modeling.actions;
14 import java.util.Collections;
15 import java.util.HashSet;
16 import java.util.List;
19 import org.simantics.db.Resource;
20 import org.simantics.db.Session;
21 import org.simantics.db.WriteGraph;
22 import org.simantics.db.common.request.WriteRequest;
23 import org.simantics.db.exception.DatabaseException;
24 import org.simantics.diagram.flag.FlagUtil;
25 import org.simantics.layer0.Layer0;
26 import org.simantics.layer0.utils.operations.Operation;
27 import org.simantics.utils.datastructures.Callback;
28 import org.simantics.utils.datastructures.persistent.IContextMap;
29 import org.simantics.utils.ui.ErrorLogger;
31 public class DisconnectFlag extends Operation {
33 public DisconnectFlag() {
38 public void exec(Session session, IContextMap parameters) {
39 final Resource flag = (Resource) parameters.get(SUBJECT);
40 session.asyncRequest(new WriteRequest() {
42 public void perform(WriteGraph g) throws DatabaseException {
43 disconnectFlags(g, Collections.singletonList(flag));
45 }, new Callback<DatabaseException>() {
47 public void run(DatabaseException parameter) {
48 if (parameter != null)
49 ErrorLogger.defaultLogError("Flag disconnect failed, see exception for details.", parameter);
54 public static int disconnectFlags(WriteGraph graph, List<Resource> flags) throws DatabaseException {
55 Layer0 L0 = Layer0.getInstance(graph);
57 for (Resource flag : flags) {
58 Set<Resource> counterParts = FlagUtil.getCounterparts(graph, flag,
59 new HashSet<Resource>(Collections.singleton(flag)));
60 FlagUtil.disconnectFlag(graph, flag);
61 for (Resource f : counterParts)
62 graph.denyValue(f, L0.HasLabel);