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 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 public 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</code> containing the root cause 041 */ 042 void onProcessFailed(ExecuteException e); 043 }