001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019
020package org.apache.commons.exec;
021
022/**
023 * The callback handlers for the result of asynchronous process execution. When a 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 */
028public interface ExecuteResultHandler {
029
030    /**
031     * The asynchronous execution completed.
032     *
033     * @param exitValue the exit value of the sub-process.
034     */
035    void onProcessComplete(int exitValue);
036
037    /**
038     * The asynchronous execution failed.
039     *
040     * @param e the {@code ExecuteException} containing the root cause.
041     */
042    void onProcessFailed(ExecuteException e);
043}