Package: VetoableDeleteObserver

VetoableDeleteObserver

Coverage

1: /*******************************************************************************
2: * Copyright (c) 2011-2015 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: * Jonas - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.changebroker.spi;
15:
16: import org.eclipse.emf.ecore.EObject;
17:
18: /**
19: * @author Jonas
20: * @since 1.7
21: * The Observer gets called before a delete operation and before all {@link PreDeleteObserver}. A
22: * {@link VetoableDeleteObserver} can decide whether a delete operation on a specific object is allowed ot not,
23: * e.g. by asking the user. It is not allowed to change anything.
24: * delete operation.
25: */
26: public interface VetoableDeleteObserver extends EMFObserver {
27:
28:         /**
29:          * @param objectToBeDeleted The {@link EObject} to be deleted
30:          * @return if the object can be deleted
31:          */
32:         boolean canDelete(EObject objectToBeDeleted);
33:
34: }