Package: TransactionalModelLabelProvider

TransactionalModelLabelProvider

name	instruction	branch	complexity	line	method
TransactionalModelLabelProvider()	M: 7 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 3 C: 0 0%	M: 1 C: 0 0%
dispose()	M: 4 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 2 C: 0 0%	M: 1 C: 0 0%
getText(Object)	M: 41 C: 0 0%	M: 4 C: 0 0%	M: 3 C: 0 0%	M: 13 C: 0 0%	M: 1 C: 0 0%
projectChanged(ECPProject, boolean)	M: 8 C: 0 0%	M: 0 C: 0 100%	M: 1 C: 0 0%	M: 2 C: 0 0%	M: 1 C: 0 0%

Coverage

1: /*******************************************************************************
2: * Copyright (c) 2011-2012 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Edgar Mueller - initial API and implementation
13: *
14: *******************************************************************************/
15: package org.eclipse.emf.ecp.ui.transaction;
16:
17: import org.eclipse.emf.ecp.core.ECPProject;
18: import org.eclipse.emf.ecp.core.util.ECPUtil;
19: import org.eclipse.emf.ecp.core.util.observer.ECPProjectOpenClosedObserver;
20: import org.eclipse.emf.ecp.internal.ui.model.ECPLabelProvider;
21: import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
22: import org.eclipse.emf.edit.domain.EditingDomain;
23: import org.eclipse.emf.transaction.RunnableWithResult;
24: import org.eclipse.emf.transaction.TransactionalEditingDomain;
25: import org.eclipse.jface.viewers.LabelProviderChangedEvent;
26:
27: /**
28: * Label provider that wraps its {@code getText} calls in a transaction.
29: *
30: * @author emueller
31: */
32: public class TransactionalModelLabelProvider extends ECPLabelProvider implements ECPProjectOpenClosedObserver {
33:
34:         /**
35:          * Default constructor.
36:          */
37:         public TransactionalModelLabelProvider() {
38:                 super(null);
39:                 ECPUtil.getECPObserverBus().register(this);
40:         }
41:
42:         @Override
43:         public void dispose() {
44:                 ECPUtil.getECPObserverBus().unregister(this);
45:         }
46:
47:         @Override
48:         public String getText(final Object element) {
49:•                if (element instanceof ECPProject) {
50:                         final ECPProject project = (ECPProject) element;
51:                         return project.getName();
52:                 }
53:
54:                 final EditingDomain editingDomain = AdapterFactoryEditingDomain.getEditingDomainFor(element);
55:•                if (!TransactionalEditingDomain.class.isInstance(editingDomain)) {
56:                         return super.getText(element);
57:                 }
58:
59:                 final TransactionalEditingDomain transactionalEditingDomain = TransactionalEditingDomain.class
60:                         .cast(editingDomain);
61:                 try {
62:                         final String result = (String) transactionalEditingDomain
63:                                 .runExclusive(new RunnableWithResult.Impl<String>() {
64:                                         @Override
65:                                         public void run() {
66:                                                 setResult(TransactionalModelLabelProvider.super.getText(element));
67:                                         }
68:                                 });
69:                         return result;
70:                 } catch (final InterruptedException e) {
71:                         return super.getText(element);
72:                 }
73:         }
74:
75:         /** {@inheritDoc} */
76:         @Override
77:         public void projectChanged(final ECPProject project, boolean opened) {
78:                 fireEvent(new LabelProviderChangedEvent(this, project));
79:         }
80: }