001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.functor.core.algorithm;
018
019 import org.apache.commons.functor.Predicate;
020 import org.apache.commons.functor.Procedure;
021
022 /**
023 * Do-until algorithm (test after).
024 *
025 * @version $Revision: 1170317 $ $Date: 2011-09-13 21:36:50 +0200 (Tue, 13 Sep 2011) $
026 */
027 public class DoUntil extends PredicatedLoop {
028
029 /**
030 * serialVersionUID declaration.
031 */
032 private static final long serialVersionUID = -961919312045591167L;
033
034 /**
035 * Create a new DoUntil.
036 * @param body to execute
037 * @param test whether to keep going
038 */
039 public DoUntil(Procedure body, Predicate test) {
040 super(body, test);
041 }
042
043 /**
044 * {@inheritDoc}
045 */
046 public final void run() {
047 do {
048 getBody().run();
049 } while (!getTest().test());
050 }
051 }