| /** |
| * 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 static org.apache.commons.lang.StringEscapeUtils.escapeHtml; |
| import static org.apache.commons.lang.StringEscapeUtils.escapeJavaScript; |
| import static org.apache.hadoop.yarn.webapp.view.Jsons._SEP; |
| import static org.apache.hadoop.yarn.webapp.view.Jsons.appendLink; |
| import static org.apache.hadoop.yarn.webapp.view.Jsons.appendProgressBar; |
| import static org.apache.hadoop.yarn.webapp.view.Jsons.appendSortable; |
| |
| import java.io.PrintWriter; |
| import java.util.concurrent.ConcurrentMap; |
| |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.server.resourcemanager.RMContext; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp; |
| import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; |
| import org.apache.hadoop.yarn.util.Times; |
| import org.apache.hadoop.yarn.webapp.Controller.RequestContext; |
| import org.apache.hadoop.yarn.webapp.ToJSON; |
| import org.apache.hadoop.yarn.webapp.view.JQueryUI.Render; |
| |
| import com.google.inject.Inject; |
| import com.google.inject.servlet.RequestScoped; |
| |
| // So we only need to do asm.getApplications once in a request |
| @RequestScoped |
| class AppsList implements ToJSON { |
| final RequestContext rc; |
| final ConcurrentMap<ApplicationId, RMApp> apps; |
| Render rendering; |
| |
| @Inject AppsList(RequestContext ctx, RMContext rmContext) { |
| rc = ctx; |
| apps = rmContext.getRMApps(); |
| } |
| |
| void toDataTableArrays(String requiredAppState, PrintWriter out) { |
| out.append('['); |
| boolean first = true; |
| for (RMApp app : apps.values()) { |
| if (requiredAppState != null && !requiredAppState.isEmpty() |
| && app.getState() != RMAppState.valueOf(requiredAppState)) { |
| continue; |
| } |
| AppInfo appInfo = new AppInfo(app, true); |
| String startTime = Times.format(appInfo.getStartTime()); |
| String finishTime = Times.format(appInfo.getFinishTime()); |
| if (first) { |
| first = false; |
| } else { |
| out.append(",\n"); |
| } |
| out.append("[\""); |
| appendSortable(out, appInfo.getAppIdNum()); |
| appendLink(out, appInfo.getAppId(), rc.prefix(), "app", |
| appInfo.getAppId()).append(_SEP). |
| append(escapeHtml(appInfo.getUser())).append(_SEP). |
| append(escapeJavaScript(escapeHtml(appInfo.getName()))).append(_SEP). |
| append(escapeHtml(appInfo.getQueue())).append(_SEP); |
| appendSortable(out, startTime).append(startTime).append(_SEP); |
| appendSortable(out, finishTime).append(finishTime).append(_SEP). |
| append(appInfo.getState()).append(_SEP). |
| append(appInfo.getFinalStatus()).append(_SEP); |
| appendProgressBar(out, appInfo.getProgress()).append(_SEP); |
| appendLink(out, appInfo.getTrackingUI(), rc.prefix(), |
| !appInfo.isTrackingUrlReady() ? |
| "#" : appInfo.getTrackingUrlPretty()). |
| append("\"]"); |
| } |
| out.append(']'); |
| } |
| |
| @Override |
| public void toJSON(PrintWriter out) { |
| out.print("{\"aaData\":"); |
| toDataTableArrays(null, out); |
| out.print("}\n"); |
| } |
| } |