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
019package org.apache.commons.exec;
020
021/**
022 * The callback handlers for the result of asynchronous process execution. When a
023 * process is started asynchronously the callback provides you with the result of
024 * the executed process, i.e. the exit value or an exception. 
025 *
026 * @see org.apache.commons.exec.Executor#execute(CommandLine, java.util.Map, ExecuteResultHandler)
027 *
028 * @version $Id: ExecuteResultHandler.java 1636056 2014-11-01 21:12:52Z ggregory $
029 */
030public interface ExecuteResultHandler {
031
032  /**
033   * The asynchronous execution completed.
034   *
035   * @param exitValue the exit value of the sub-process
036   */
037    void onProcessComplete(int exitValue);
038
039  /**
040   * The asynchronous execution failed.
041   *
042   * @param e the {@code ExecuteException} containing the root cause
043   */
044    void onProcessFailed(ExecuteException e);
045}