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/*****************************************************************************
* Copyright (c) 2011, 2014 CEA LIST and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation
* Christian W. Damus (CEA) - bug 417409
*
*****************************************************************************/
package org.eclipse.papyrus.uml.tools.databinding;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.papyrus.infra.tools.databinding.AggregatedObservable;
import org.eclipse.papyrus.infra.tools.databinding.CommandBasedObservableValue;
import org.eclipse.papyrus.infra.tools.databinding.ReferenceCountedObservable;
/**
* An Abstract Class for Papyrus Command-based observable values
*
* @author Camille Letavernier
*
* @deprecated since 3.2
* use {@link org.eclipe.papyrus.uml.properties.databinding.AbstractUMLAggregatedObservableValue} API, instead.
*
* This class Will be removed in Papyrus 5.0, see bug 540829
*/
@Deprecated
public abstract class AbstractUMLAggregatedObservableValue extends ReferenceCountedObservable.Value implements AggregatedObservable, CommandBasedObservableValue {
protected EditingDomain domain;
protected AbstractUMLAggregatedObservableValue(EditingDomain domain) {
this.domain = domain;
}
/**
* {@inheritDoc}
*/
@Override
public AggregatedObservable aggregate(IObservable observable) {
try {
return new AggregatedPapyrusObservableValue(domain, this, observable);
} catch (IllegalArgumentException ex) {
return null; // The observable cannot be aggregated
}
}
/**
* {@inheritDoc}
*/
@Override
public boolean hasDifferentValues() {
return false;
}
}
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