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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;
/**
* Closure that executes another closure a specified number of times.
*
* @param <A> the type of the object passed to the closure
*
* @see ConditionalClosure
* @see SwitchClosure
* @see UntilClosure
* @see WhileClosure
*/
public class RepeatingClosure<A>
implements Closure<A>
{
private final int count;
private final Closure<? super A> closure;
public RepeatingClosure(Closure<? super A> closure, int count) {
super();
if (closure == null) {
throw new NullPointerException();
}
if (count <= 0) {
throw new IndexOutOfBoundsException("invalid count: " + count); //$NON-NLS-1$
}
this.closure = closure;
this.count = count;
}
public void execute(A argument) {
for (int i = this.count; i-- > 0;) {
this.closure.execute(argument);
}
}
@Override
public String toString() {
return ObjectTools.toString(this, this.closure);
}
}
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