/**
* 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.mapreduce.v2.hs.webapp;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.ACCORDION;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.initID;
import org.apache.hadoop.mapreduce.v2.hs.JobHistoryServer;
import org.apache.hadoop.mapreduce.v2.hs.webapp.dao.HistoryInfo;
import org.apache.hadoop.yarn.util.Times;
import org.apache.hadoop.yarn.webapp.SubView;
import org.apache.hadoop.yarn.webapp.view.InfoBlock;
/**
* A Page the shows info about the history server
*/
public class HsAboutPage extends HsView {
/*
* (non-Javadoc)
* @see org.apache.hadoop.mapreduce.v2.hs.webapp.HsView#preHead(org.apache.hadoop.yarn.webapp.hamlet.Hamlet.HTML)
*/
@Override protected void preHead(Page.HTML<_> html) {
commonPreHead(html);
//override the nav config from commonPReHead
set(initID(ACCORDION, "nav"), "{autoHeight:false, active:0}");
}
/**
* The content of this page is the attempts block
* @return AttemptsBlock.class
*/
@Override protected Class<? extends SubView> content() {
HistoryInfo info = new HistoryInfo();
info("History Server").
_("BuildVersion", info.getHadoopBuildVersion()
+ " on " + info.getHadoopVersionBuiltOn()).
_("History Server started on", Times.format(info.getStartedOn()));
return InfoBlock.class;
}
}