hadoop RmView 源码
haddop RmView 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RmView.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.resourcemanager.webapp;
import org.apache.hadoop.yarn.server.webapp.WebPageUtils;
import org.apache.hadoop.yarn.webapp.SubView;
import org.apache.hadoop.yarn.webapp.view.TwoColumnLayout;
import static org.apache.hadoop.yarn.util.StringHelper.sjoin;
import static org.apache.hadoop.yarn.webapp.YarnWebParams.APP_STATE;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.*;
// Do NOT rename/refactor this to RMView as it will wreak havoc
// on Mac OS HFS
public class RmView extends TwoColumnLayout {
static final int MAX_DISPLAY_ROWS = 100; // direct table rendering
static final int MAX_FAST_ROWS = 1000; // inline js array
@Override
protected void preHead(Page.HTML<__> html) {
commonPreHead(html);
set(DATATABLES_ID, "apps");
set(initID(DATATABLES, "apps"), initAppsTable());
setTableStyles(html, "apps", ".queue {width:6em}", ".ui {width:8em}");
// Set the correct title.
String reqState = $(APP_STATE);
reqState = (reqState == null || reqState.isEmpty() ? "All" : reqState);
setTitle(sjoin(reqState, "Applications"));
}
protected void commonPreHead(Page.HTML<__> html) {
set(ACCORDION_ID, "nav");
set(initID(ACCORDION, "nav"), "{autoHeight:false, active:0}");
}
@Override
protected Class<? extends SubView> nav() {
return NavBlock.class;
}
@Override
protected Class<? extends SubView> content() {
return AppsBlockWithMetrics.class;
}
protected String initAppsTable() {
return WebPageUtils.appsTableInit();
}
}
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