| /** |
| * 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.server.applicationhistoryservice.webapp; |
| |
| import com.google.inject.Inject; |
| import org.apache.hadoop.util.VersionInfo; |
| import org.apache.hadoop.yarn.api.records.timeline.TimelineAbout; |
| import org.apache.hadoop.yarn.util.YarnVersionInfo; |
| import org.apache.hadoop.yarn.util.timeline.TimelineUtils; |
| import org.apache.hadoop.yarn.webapp.View; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| import org.apache.hadoop.yarn.webapp.view.InfoBlock; |
| |
| public class AboutBlock extends HtmlBlock { |
| @Inject |
| AboutBlock(View.ViewContext ctx) { |
| super(ctx); |
| } |
| |
| @Override |
| protected void render(Block html) { |
| TimelineAbout tsInfo = TimelineUtils.createTimelineAbout( |
| "Timeline Server - Generic History Service UI"); |
| info("Timeline Server Overview"). |
| _("Timeline Server Version:", tsInfo.getTimelineServiceBuildVersion() + |
| " on " + tsInfo.getTimelineServiceVersionBuiltOn()). |
| _("Hadoop Version:", tsInfo.getHadoopBuildVersion() + |
| " on " + tsInfo.getHadoopVersionBuiltOn()); |
| html._(InfoBlock.class); |
| } |
| } |