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    }