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.common.launch;
020
021import java.util.List;
022
023/**
024 * Used to build the launch command for REEF processes.
025 */
026public interface LaunchCommandBuilder {
027
028
029  /**
030   * @return the launch command line
031   */
032  List<String> build();
033
034  /**
035   * Set the size of the launched process in megabytes.
036   * @param megaBytes
037   * @return this
038   */
039  LaunchCommandBuilder setMemory(final int megaBytes);
040
041  /**
042   * Set the name of the configuration file for the Launcher. This file is assumed to exist in the working directory of
043   * the process launched with this command line.
044   *
045   * @param configurationFilePaths
046   * @return this
047   */
048  LaunchCommandBuilder setConfigurationFilePaths(final List<String> configurationFilePaths);
049
050  /**
051   * Names a file to which stdout will be redirected.
052   *
053   * @param standardOut
054   * @return this
055   */
056  LaunchCommandBuilder setStandardOut(final String standardOut);
057
058  /**
059   * Names a file to which stderr will be redirected.
060   *
061   * @param standardErr
062   * @return this
063   */
064  LaunchCommandBuilder setStandardErr(final String standardErr);
065
066
067}