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/*****************************************************************************
* Copyright (c) 2010 CEA LIST.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Remi Schnekenburger (CEA LIST) remi.schnekenburger@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.properties.runtime.view;
import org.eclipse.gmf.runtime.common.core.service.IProvider;
/**
* Operation to retrieve a fragment descriptor using its ID
*/
public class GetFragmentDescriptorOperation implements IPropertyViewOperation {
/** id of the view descriptor to retrieve */
protected final String descriptorID;
/**
* Creates a new GetFragmentDescriptorOperation.
*
* @param descriptorID
* the identifier of the fragment descriptor to create
*/
public GetFragmentDescriptorOperation(String descriptorID) {
this.descriptorID = descriptorID;
}
/**
* Returns the descriptor id for this operation
*
* @return the descriptor id for this operation
*/
public String getDescriptorID() {
return descriptorID;
}
/**
* {@inheritDoc}
*/
public Object execute(IProvider provider) {
if(provider instanceof IPropertyViewProvider) {
return ((IPropertyViewProvider)provider).getFragmentDescriptor(descriptorID);
}
return null;
}
}
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