| /* |
| * 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.api.records.timelineservice; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** |
| * This entity represents an application. |
| */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| public class ApplicationEntity extends HierarchicalTimelineEntity { |
| public static final String QUEUE_INFO_KEY = |
| TimelineEntity.SYSTEM_INFO_KEY_PREFIX + "QUEUE"; |
| |
| public ApplicationEntity() { |
| super(TimelineEntityType.YARN_APPLICATION.toString()); |
| } |
| |
| public ApplicationEntity(TimelineEntity entity) { |
| super(entity); |
| if (!entity.getType().equals( |
| TimelineEntityType.YARN_APPLICATION.toString())) { |
| throw new IllegalArgumentException("Incompatible entity type: " |
| + getId()); |
| } |
| } |
| |
| public String getQueue() { |
| return getInfo().get(QUEUE_INFO_KEY).toString(); |
| } |
| |
| public void setQueue(String queue) { |
| addInfo(QUEUE_INFO_KEY, queue); |
| } |
| |
| /** |
| * Checks if the input TimelineEntity object is an ApplicationEntity. |
| * |
| * @param te TimelineEntity object. |
| * @return true if input is an ApplicationEntity, false otherwise |
| */ |
| public static boolean isApplicationEntity(TimelineEntity te) { |
| return (te == null ? false |
| : te.getType().equals(TimelineEntityType.YARN_APPLICATION.toString())); |
| } |
| |
| /** |
| * @param te TimelineEntity object. |
| * @param eventId event with this id needs to be fetched |
| * @return TimelineEvent if TimelineEntity contains the desired event. |
| */ |
| public static TimelineEvent getApplicationEvent(TimelineEntity te, |
| String eventId) { |
| if (isApplicationEntity(te)) { |
| for (TimelineEvent event : te.getEvents()) { |
| if (event.getId().equals(eventId)) { |
| return event; |
| } |
| } |
| } |
| return null; |
| } |
| } |