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     */
018    
019    package org.apache.commons.exec;
020    
021    /**
022     * The callback handlers for asynchronous execution.
023     *
024     * @see org.apache.commons.exec.Executor#execute(CommandLine, java.util.Map, ExecuteResultHandler) 
025     */
026    public interface ExecuteResultHandler {
027    
028      /**
029       * The asynchronous exection completed.
030       *
031       * @param exitValue the exit value of the subprocess
032       */
033        void onProcessComplete(int exitValue);
034    
035      /**
036       * The asynchronous exection failed.
037       *
038       * @param e the <code>ExecuteException</code> containing the root cause
039       */
040        void onProcessFailed(ExecuteException e);
041    }