| /******************************************************************************* |
| * Copyright (c) 2013 Oracle. 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/. |
| * |
| * 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); |
| } |
| } |