Source code

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 *   http://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 */
019package org.apache.reef.runtime.local.process;
020
021/**
022 * Observer interface for events fired by RunnableProcess.
023 */
024public interface RunnableProcessObserver {
025  /**
026   * This will be called right after the process is launched.
027   *
028   * @param processId the id of the process that started.
029   */
030  void onProcessStarted(final String processId);
031
032  /**
033   * This will be called right after the process exited.
034   *
035   * @param exitCode  the return code of the process.
036   * @param processId the id of the process that exited.
037   */
038  void onProcessExit(final String processId, final int exitCode);
039}