| /* |
| * 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.hadoop.yarn.util; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.util.VersionInfo; |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * This class finds the package info for Yarn and the YarnVersionAnnotation |
| * information. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Unstable |
| public class YarnVersionInfo extends VersionInfo { |
| private static final Log LOG = LogFactory.getLog(YarnVersionInfo.class); |
| |
| private static YarnVersionInfo YARN_VERSION_INFO = new YarnVersionInfo(); |
| |
| protected YarnVersionInfo() { |
| super("yarn"); |
| } |
| /** |
| * Get the Yarn version. |
| * @return the Yarn version string, eg. "0.6.3-dev" |
| */ |
| public static String getVersion() { |
| return YARN_VERSION_INFO._getVersion(); |
| } |
| |
| /** |
| * Get the subversion revision number for the root directory |
| * @return the revision number, eg. "451451" |
| */ |
| public static String getRevision() { |
| return YARN_VERSION_INFO._getRevision(); |
| } |
| |
| /** |
| * Get the branch on which this originated. |
| * @return The branch name, e.g. "trunk" or "branches/branch-0.20" |
| */ |
| public static String getBranch() { |
| return YARN_VERSION_INFO._getBranch(); |
| } |
| |
| /** |
| * The date that Yarn was compiled. |
| * @return the compilation date in unix date format |
| */ |
| public static String getDate() { |
| return YARN_VERSION_INFO._getDate(); |
| } |
| |
| /** |
| * The user that compiled Yarn. |
| * @return the username of the user |
| */ |
| public static String getUser() { |
| return YARN_VERSION_INFO._getUser(); |
| } |
| |
| /** |
| * Get the subversion URL for the root Yarn directory. |
| */ |
| public static String getUrl() { |
| return YARN_VERSION_INFO._getUrl(); |
| } |
| |
| /** |
| * Get the checksum of the source files from which Yarn was |
| * built. |
| **/ |
| public static String getSrcChecksum() { |
| return YARN_VERSION_INFO._getSrcChecksum(); |
| } |
| |
| /** |
| * Returns the buildVersion which includes version, |
| * revision, user and date. |
| */ |
| public static String getBuildVersion(){ |
| return YARN_VERSION_INFO._getBuildVersion(); |
| } |
| |
| public static void main(String[] args) { |
| LOG.debug("version: "+ getVersion()); |
| System.out.println("Yarn " + getVersion()); |
| System.out.println("Subversion " + getUrl() + " -r " + getRevision()); |
| System.out.println("Compiled by " + getUser() + " on " + getDate()); |
| System.out.println("From source with checksum " + getSrcChecksum()); |
| } |
| } |