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 * While-do algorithm (test before). 024 * 025 * @version $Revision: 1166331 $ $Date: 2011-09-07 21:34:39 +0200 (Wed, 07 Sep 2011) $ 026 */ 027 public class WhileDo extends PredicatedLoop { 028 029 /** 030 * serialVersionUID declaration. 031 */ 032 private static final long serialVersionUID = 7562985255209473649L; 033 034 /** 035 * Create a new WhileDo. 036 * @param test whether to keep going 037 * @param body to execute 038 */ 039 public WhileDo(Predicate test, Procedure body) { 040 super(body, test); 041 } 042 043 /** 044 * {@inheritDoc} 045 */ 046 public final void run() { 047 while (getTest().test()) { 048 getBody().run(); 049 } 050 } 051 }