| /** |
| * 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.mapreduce.v2.hs.webapp; |
| |
| import org.apache.hadoop.mapreduce.v2.app.webapp.App; |
| import org.apache.hadoop.mapreduce.v2.util.MRApps; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.DIV; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * The navigation block for the history server |
| */ |
| public class HsNavBlock extends HtmlBlock { |
| final App app; |
| |
| @Inject HsNavBlock(App app) { this.app = app; } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.apache.hadoop.yarn.webapp.view.HtmlBlock#render(org.apache.hadoop.yarn.webapp.view.HtmlBlock.Block) |
| */ |
| @Override protected void render(Block html) { |
| DIV<Hamlet> nav = html. |
| div("#nav"). |
| h3("Application"). |
| ul(). |
| li().a(url("about"), "About")._(). |
| li().a(url("app"), "Jobs")._()._(); |
| if (app.getJob() != null) { |
| String jobid = MRApps.toString(app.getJob().getID()); |
| nav. |
| h3("Job"). |
| ul(). |
| li().a(url("job", jobid), "Overview")._(). |
| li().a(url("jobcounters", jobid), "Counters")._(). |
| li().a(url("conf", jobid), "Configuration")._(). |
| li().a(url("tasks", jobid, "m"), "Map tasks")._(). |
| li().a(url("tasks", jobid, "r"), "Reduce tasks")._()._(); |
| if (app.getTask() != null) { |
| String taskid = MRApps.toString(app.getTask().getID()); |
| nav. |
| h3("Task"). |
| ul(). |
| li().a(url("task", taskid), "Task Overview")._(). |
| li().a(url("taskcounters", taskid), "Counters")._()._(); |
| } |
| } |
| nav. |
| h3("Tools"). |
| ul(). |
| li().a("/conf", "Configuration")._(). |
| li().a("/logs", "Local logs")._(). |
| li().a("/stacks", "Server stacks")._(). |
| li().a("/metrics", "Server metrics")._()._()._(); |
| } |
| } |