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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.infra.gmfdiag.common.service.shape;
import org.eclipse.gmf.runtime.common.core.service.IOperation;
import org.eclipse.gmf.runtime.common.core.service.IProvider;
/**
* Operation to find a shape provider, given its unique identifier
*/
public class GetShapeProviderByIdentifierOperation implements IOperation, IShapeProviderOperation {
/** id of the action to retrieve */
private final String identifier;
/**
* Creates a new GetShapeProviderOperation.
*
* @param identifier
* the identifier of the operation to retrieve
*/
protected GetShapeProviderByIdentifierOperation(String identifier) {
assert null != identifier : "GetAspectToolOperation constructor received NULL as argument"; //$NON-NLS-1$
this.identifier = identifier;
}
/**
* @{inheritDoc
*/
@Override
public IProvider execute(IProvider provider) {
String id = ((IShapeProvider) provider).getId();
return (identifier.equals(id) ? provider : null);
}
/**
* Returns the identifier of the provider this operation is looking for
*
* @return the identifier of the provider this operation is looking for
*/
public String getIdentifier() {
return identifier;
}
}
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