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.files;
020
021import java.util.List;
022
023/**
024 * Interface to be implemented by each REEF runtime (YARN, Mesos, Local) to provide additional classpath elements to be
025 * pre- and postfixed to the user classpath.
026 */
027public interface RuntimeClasspathProvider {
028
029  /**
030   * @return the classpath to be prefixed in front of the user classpath of the Driver.
031   */
032  List<String> getDriverClasspathPrefix();
033
034  /**
035   * @return the classpath to be suffixed after of the user classpath of the Driver.
036   */
037  List<String> getDriverClasspathSuffix();
038
039  /**
040   * @return the classpath to be prefixed in front of the user classpath of each Evaluator.
041   */
042  List<String> getEvaluatorClasspathPrefix();
043
044  /**
045   * @return the classpath to be suffixed after of the user classpath of each Evaluator.
046   */
047  List<String> getEvaluatorClasspathSuffix();
048}