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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.yarn.driver;
020
021import org.apache.hadoop.fs.Path;
022import org.apache.reef.runtime.common.files.REEFFileNames;
023import org.apache.reef.runtime.yarn.driver.parameters.JobSubmissionDirectoryPrefix;
024import org.apache.reef.tang.annotations.Parameter;
025
026import javax.inject.Inject;
027import java.text.SimpleDateFormat;
028import java.util.Calendar;
029
030/**
031 * Default implementation of JobSubmissionDirectoryProvider.
032 * Constructs path to job submission directory based on current date and time and applicationId.
033 */
034public final class JobSubmissionDirectoryProviderImpl implements JobSubmissionDirectoryProvider {
035
036  /**
037   * The path on (H)DFS which is used as the job's folder.
038   */
039  private final String jobSubmissionDirectory;
040  private final REEFFileNames fileNames;
041
042  @Inject
043  JobSubmissionDirectoryProviderImpl(@Parameter(JobSubmissionDirectoryPrefix.class)
044                                     final String jobSubmissionDirectoryPrefix,
045                                     final REEFFileNames fileNames) {
046    this.jobSubmissionDirectory = jobSubmissionDirectoryPrefix;
047    this.fileNames = fileNames;
048  }
049
050  @Override
051  public Path getJobSubmissionDirectoryPath(final String applicationId) {
052    return new Path(this.jobSubmissionDirectory +
053        "/" +
054        new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss_").format(Calendar.getInstance().getTime()) +
055        this.fileNames.getJobFolderPrefix() +
056        applicationId +
057        "/");
058  }
059}