| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.reef.runtime.yarn.util; |
| |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.reef.runtime.yarn.driver.parameters.FileSystemUrl; |
| import org.apache.reef.tang.ExternalConstructor; |
| import org.apache.reef.tang.annotations.Parameter; |
| |
| import javax.inject.Inject; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| /** |
| * An external constructor that creates YarnConfiguration instances. |
| */ |
| public final class YarnConfigurationConstructor implements ExternalConstructor<YarnConfiguration> { |
| |
| private static final Logger LOG = Logger.getLogger(YarnConfigurationConstructor.class.getName()); |
| |
| private final String fileSystemUrl; |
| |
| @Inject |
| YarnConfigurationConstructor(@Parameter(FileSystemUrl.class) final String fileSystemUrl) { |
| this.fileSystemUrl = fileSystemUrl; |
| } |
| |
| @Override |
| public YarnConfiguration newInstance() { |
| YarnConfiguration yarnConfiguration = new YarnConfiguration(); |
| if (!fileSystemUrl.equals(FileSystemUrl.DEFAULT_VALUE)) { |
| yarnConfiguration.set("fs.defaultFS", fileSystemUrl); |
| LOG.log(Level.INFO, "Set fileSystemUrl in YarnConfigurationConstructor: {0}", fileSystemUrl); |
| } |
| return yarnConfiguration; |
| } |
| } |