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.persistent.IContextMap;
28 import org.simantics.utils.ui.ErrorLogger;
30 public class DisconnectFlag extends Operation {
32 public DisconnectFlag() {
37 public void exec(Session session, IContextMap parameters) {
38 final Resource flag = (Resource) parameters.get(SUBJECT);
39 session.asyncRequest(new WriteRequest() {
41 public void perform(WriteGraph g) throws DatabaseException {
42 disconnectFlags(g, Collections.singletonList(flag));
46 ErrorLogger.defaultLogError("Flag disconnect failed, see exception for details.", e);
50 public static int disconnectFlags(WriteGraph graph, List<Resource> flags) throws DatabaseException {
51 Layer0 L0 = Layer0.getInstance(graph);
53 for (Resource flag : flags) {
54 Set<Resource> counterParts = FlagUtil.getCounterparts(graph, flag,
55 new HashSet<Resource>(Collections.singleton(flag)));
56 FlagUtil.disconnectFlag(graph, flag);
57 for (Resource f : counterParts)
58 graph.denyValue(f, L0.HasLabel);