hadoop AppPage 源码
haddop AppPage 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/webapp/AppPage.java
/**
* 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 static org.apache.hadoop.yarn.util.StringHelper.join;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.DATATABLES_ID;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.initID;
import org.apache.hadoop.yarn.server.webapp.AppBlock;
import org.apache.hadoop.yarn.server.webapp.WebPageUtils;
import org.apache.hadoop.yarn.webapp.SubView;
import org.apache.hadoop.yarn.webapp.YarnWebParams;
public class AppPage extends AHSView {
@Override
protected void preHead(Page.HTML<__> html) {
commonPreHead(html);
String appId = $(YarnWebParams.APPLICATION_ID);
set(
TITLE,
appId.isEmpty() ? "Bad request: missing application ID" : join(
"Application ", $(YarnWebParams.APPLICATION_ID)));
set(DATATABLES_ID, "attempts ResourceRequests");
set(initID(DATATABLES, "attempts"), WebPageUtils.attemptsTableInit());
setTableStyles(html, "attempts", ".queue {width:6em}", ".ui {width:8em}");
setTableStyles(html, "ResourceRequests");
set(YarnWebParams.WEB_UI_TYPE, YarnWebParams.APP_HISTORY_WEB_UI);
}
@Override
protected Class<? extends SubView> content() {
return AppBlock.class;
}
protected String getAttemptsTableColumnDefs() {
StringBuilder sb = new StringBuilder();
return sb.append("[\n").append("{'sType':'natural', 'aTargets': [0]")
.append(", 'mRender': parseHadoopID }")
.append("\n, {'sType':'numeric', 'aTargets': [1]")
.append(", 'mRender': renderHadoopDate }]").toString();
}
}
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