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/*******************************************************************************
* Copyright (c) 2013 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.internal.closure;
import org.eclipse.jpt.common.utility.closure.Closure;
import org.eclipse.jpt.common.utility.internal.ObjectTools;
import org.eclipse.jpt.common.utility.transformer.Transformer;
/**
* Adapt a {@link Transformer} to the {@link Closure} interface.
* The closure's argument is forwarded to the the transformer and the
* transformer's output is ignored. This really only useful for a
* transformer that has side-effects.
*
* @param <A> the type of the object passed to the closure and forwarded to the
* transformer
*
* @see org.eclipse.jpt.common.utility.internal.transformer.ClosureTransformer
*/
public class TransformerClosure<A>
implements Closure<A>
{
private final Transformer<? super A, ?> transformer;
public TransformerClosure(Transformer<? super A, ?> transformer) {
super();
if (transformer == null) {
throw new NullPointerException();
}
this.transformer = transformer;
}
public void execute(A argument) {
this.transformer.transform(argument);
}
@Override
public String toString() {
return ObjectTools.toString(this, this.transformer);
}
}
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