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+/**
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+* Licensed to the Apache Software Foundation (ASF) under one
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+* or more contributor license agreements. See the NOTICE file
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+* distributed with this work for additional information
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+* regarding copyright ownership. The ASF licenses this file
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+* to you under the Apache License, Version 2.0 (the
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+* "License"); you may not use this file except in compliance
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+* with the License. You may obtain a copy of the License at
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+*
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+* http://www.apache.org/licenses/LICENSE-2.0
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+*
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+* Unless required by applicable law or agreed to in writing, software
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+* distributed under the License is distributed on an "AS IS" BASIS,
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+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+* See the License for the specific language governing permissions and
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+* limitations under the License.
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+*/
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+
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+package org.apache.hadoop.yarn.server.resourcemanager.webapp;
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+
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+import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
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+
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+public class SchedulerPageUtil {
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+
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+ static class QueueBlockUtil extends HtmlBlock {
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+
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+ private void reopenQueue(Block html) {
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+ html.
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+ script().$type("text/javascript").
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+ _("function reopenQueryNodes() {",
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+ " var currentParam = window.location.href.split('?');",
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+ " var tmpCurrentParam = currentParam;",
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+ " var queryQueuesString = '';",
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+ " if (tmpCurrentParam.length > 1) {",
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+ " // openQueues=q1#q2¶m1=value1¶m2=value2",
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+ " tmpCurrentParam = tmpCurrentParam[1];",
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+ " if (tmpCurrentParam.indexOf('openQueues=') != -1 ) {",
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+ " tmpCurrentParam = tmpCurrentParam.split('openQueues=')[1].split('&')[0];",
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+ " queryQueuesString = tmpCurrentParam;",
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+ " }",
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+ " }",
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+ " if (queryQueuesString != '') {",
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+ " queueArray = queryQueuesString.split('#');",
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+ " $('#cs .q').each(function() {",
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+ " var name = $(this).html();",
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+ " if (name != 'root' && $.inArray(name, queueArray) != -1) {",
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+ " $(this).closest('li').removeClass('jstree-closed').addClass('jstree-open'); ",
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+ " }",
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+ " });",
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+ " }",
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+ " $('#cs').bind( {",
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+ " 'open_node.jstree' :function(e, data) { storeExpandedQueue(e, data); },",
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+ " 'close_node.jstree':function(e, data) { storeExpandedQueue(e, data); }",
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+ " });",
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+ "}")._();
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+ }
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+
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+ private void storeExpandedQueue (Block html) {
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+ html.
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+ script().$type("text/javascript").
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+ _("function storeExpandedQueue(e, data) {",
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+ " var OPEN_QUEUES = 'openQueues';",
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+ " var ACTION_OPEN = 'open';",
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+ " var ACTION_CLOSED = 'closed';",
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+ " var $li = $(data.args[0]);",
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+ " var action = ACTION_CLOSED; //closed or open",
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+ " var queueName = ''",
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+ " if ($li.hasClass('jstree-open')) {",
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+ " action=ACTION_OPEN;",
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+ " }",
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+ " queueName = $li.find('.q').html();",
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+ " // http://localhost:8088/cluster/scheduler?openQueues=q1#q2¶m1=value1¶m2=value2 ",
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+ " // ==> [http://localhost:8088/cluster/scheduler , openQueues=q1#q2¶m1=value1¶m2=value2]",
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+ " var currentParam = window.location.href.split('?');",
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+ " var tmpCurrentParam = currentParam;",
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+ " var queryString = '';",
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+ " if (tmpCurrentParam.length > 1) {",
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+ " // openQueues=q1#q2¶m1=value1¶m2=value2",
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+ " tmpCurrentParam = tmpCurrentParam[1];",
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+ " currentParam = tmpCurrentParam;",
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+ " tmpCurrentParam = tmpCurrentParam.split('&');",
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+ " var len = tmpCurrentParam.length;",
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+ " var paramExist = false;",
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+ " if (len > 1) { // Currently no query param are present but in future if any are added for that handling it now",
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+ " queryString = '';",
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+ " for (var i = 0 ; i < len ; i++) { // searching for param openQueues",
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+ " if (tmpCurrentParam[i].substr(0,11) == OPEN_QUEUES + '=') {",
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+ " if (action == ACTION_OPEN) {",
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+ " tmpCurrentParam[i] = addQueueName(tmpCurrentParam[i],queueName);",
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+ " }",
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+ " else if (action == ACTION_CLOSED) {",
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+ " tmpCurrentParam[i] = removeQueueName(tmpCurrentParam[i] , queueName);",
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+ " }",
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+ " paramExist = true;",
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+ " }",
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+ " if (i > 0) {",
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+ " queryString += '&';",
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+ " }",
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+ " queryString += tmpCurrentParam[i];",
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+ " }",
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+ " // If in existing query string OPEN_QUEUES param is not present",
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+ " if (action == ACTION_OPEN && !paramExist) {",
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+ " queryString = currentParam + '&' + OPEN_QUEUES + '=' + queueName;",
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+ " }",
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+ " } ",
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+ " // Only one param is present in current query string",
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+ " else {",
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+ " tmpCurrentParam=tmpCurrentParam[0];",
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+ " // checking if the only param present in query string is OPEN_QUEUES or not and making queryString accordingly",
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+ " if (tmpCurrentParam.substr(0,11) == OPEN_QUEUES + '=') {",
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+ " if (action == ACTION_OPEN) {",
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+ " queryString = addQueueName(tmpCurrentParam,queueName);",
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+ " }",
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+ " else if (action == ACTION_CLOSED) {",
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+ " queryString = removeQueueName(tmpCurrentParam , queueName);",
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+ " }",
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+ " }",
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+ " else {",
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+ " if (action == ACTION_OPEN) {",
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+ " queryString = tmpCurrentParam + '&' + OPEN_QUEUES + '=' + queueName;",
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+ " }",
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+ " }",
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+ " }",
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+ " } else {",
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+ " if (action == ACTION_OPEN) {",
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+ " tmpCurrentParam = '';",
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+ " currentParam = tmpCurrentParam;",
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+ " queryString = OPEN_QUEUES+'='+queueName;",
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+ " }",
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+ " }",
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+ " if (queryString != '') {",
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+ " queryString = '?' + queryString;",
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+ " }",
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+ " var url = window.location.protocol + '//' + window.location.host + window.location.pathname + queryString;",
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+ " window.history.pushState( { path : url }, '', url);",
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+ "};",
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+ "",
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+ "function removeQueueName(queryString, queueName) {",
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+ " var index = queryString.indexOf(queueName);",
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+ " // Finding if queue is present in query param then only remove it",
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+ " if (index != -1) {",
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+ " // removing openQueues=",
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+ " var tmp = queryString.substr(11, queryString.length);",
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+ " tmp = tmp.split('#');",
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+ " var len = tmp.length;",
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+ " var newQueryString = '';",
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+ " for (var i = 0 ; i < len ; i++) {",
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+ " if (tmp[i] != queueName) {",
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+ " if (newQueryString != '') {",
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+ " newQueryString += '#';",
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+ " }",
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+ " newQueryString += tmp[i];",
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+ " }",
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+ " }",
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+ " queryString = newQueryString;",
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+ " if (newQueryString != '') {",
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+ " queryString = 'openQueues=' + newQueryString;",
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+ " }",
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+ " }",
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+ " return queryString;",
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+ "}",
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+ "",
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+ "function addQueueName(queryString, queueName) {",
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+ " queueArray = queryString.split('#');",
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+ " if ($.inArray(queueArray, queueName) == -1) {",
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+ " queryString = queryString + '#' + queueName;",
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+ " }",
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+ " return queryString;",
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+ "}")._();
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+ }
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+
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+ @Override protected void render(Block html) {
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+ reopenQueue(html);
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+ storeExpandedQueue(html);
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+ }
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+ }
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+}
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Sanford Ryza