<%
/*
* 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.
*/
%>
<%!private static final long serialVersionUID = 1L;%>
<%@ page
contentType="text/html; charset=UTF-8"
import="org.apache.hadoop.mapred.*"
import="org.apache.commons.lang.StringUtils"
import="javax.servlet.*"
import="javax.servlet.http.*"
import="java.io.*"
import="java.util.*"
%>
Job Queue Information page
<%
JobTracker tracker = (JobTracker) application.getAttribute("job.tracker");
QueueManager qmgr = tracker.getQueueManager();
JobQueueInfo[] rootQueues = qmgr.getRootQueues();
%>
<%!
public static String getTree(String parent, JobQueueInfo[] rootQueues) {
List rootQueueList = new ArrayList();
for (JobQueueInfo queue : rootQueues) {
rootQueueList.add(queue);
}
return getTree(parent, rootQueueList);
}
private static String getTree(String parent, List children) {
StringBuilder str = new StringBuilder();
if (children == null) {
return "";
}
for (JobQueueInfo queueInfo : children) {
String variableName = StringUtils.replaceChars(queueInfo.getQueueName(),
":-*+#.^", "_______");
String label = queueInfo.getQueueName().split(":")[queueInfo
.getQueueName().split(":").length - 1];
str.append(String.format(
"var %sTreeNode = new YAHOO.widget.MenuNode(\"%s\", %s, false);\n",
variableName, label, parent));
str.append(String.format("%sTreeNode.data=\"%s\";\n", variableName,
queueInfo.getSchedulingInfo().replaceAll("\n", " ")));
str.append(String.format("%sTreeNode.name=\"%s\";\n", variableName,
queueInfo.getQueueName()));
str.append(getTree(variableName + "TreeNode", queueInfo.getChildren()));
}
return str.toString();
}
%>