| /** |
| * 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.timeline; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlElement; |
| import javax.xml.bind.annotation.XmlRootElement; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Evolving; |
| import org.apache.hadoop.yarn.util.TimelineServiceHelper; |
| |
| /** |
| * The class that contains the information of an event that is related to some |
| * conceptual entity of an application. Users are free to define what the event |
| * means, such as starting an application, getting allocated a container and |
| * etc. |
| */ |
| @XmlRootElement(name = "event") |
| @XmlAccessorType(XmlAccessType.NONE) |
| @Public |
| @Evolving |
| public class TimelineEvent implements Comparable<TimelineEvent> { |
| |
| private long timestamp; |
| private String eventType; |
| private HashMap<String, Object> eventInfo = new HashMap<String, Object>(); |
| |
| public TimelineEvent() { |
| } |
| |
| /** |
| * Get the timestamp of the event |
| * |
| * @return the timestamp of the event |
| */ |
| @XmlElement(name = "timestamp") |
| public long getTimestamp() { |
| return timestamp; |
| } |
| |
| /** |
| * Set the timestamp of the event |
| * |
| * @param timestamp |
| * the timestamp of the event |
| */ |
| public void setTimestamp(long timestamp) { |
| this.timestamp = timestamp; |
| } |
| |
| /** |
| * Get the event type |
| * |
| * @return the event type |
| */ |
| @XmlElement(name = "eventtype") |
| public String getEventType() { |
| return eventType; |
| } |
| |
| /** |
| * Set the event type |
| * |
| * @param eventType |
| * the event type |
| */ |
| public void setEventType(String eventType) { |
| this.eventType = eventType; |
| } |
| |
| /** |
| * Set the information of the event |
| * |
| * @return the information of the event |
| */ |
| public Map<String, Object> getEventInfo() { |
| return eventInfo; |
| } |
| |
| // Required by JAXB |
| @Private |
| @XmlElement(name = "eventinfo") |
| public HashMap<String, Object> getEventInfoJAXB() { |
| return eventInfo; |
| } |
| |
| /** |
| * Add one piece of the information of the event to the existing information |
| * map |
| * |
| * @param key |
| * the information key |
| * @param value |
| * the information value |
| */ |
| public void addEventInfo(String key, Object value) { |
| this.eventInfo.put(key, value); |
| } |
| |
| /** |
| * Add a map of the information of the event to the existing information map |
| * |
| * @param eventInfo |
| * a map of of the information of the event |
| */ |
| public void addEventInfo(Map<String, Object> eventInfo) { |
| this.eventInfo.putAll(eventInfo); |
| } |
| |
| /** |
| * Set the information map to the given map of the information of the event |
| * |
| * @param eventInfo |
| * a map of of the information of the event |
| */ |
| public void setEventInfo(Map<String, Object> eventInfo) { |
| this.eventInfo = TimelineServiceHelper.mapCastToHashMap( |
| eventInfo); |
| } |
| |
| @Override |
| public int compareTo(TimelineEvent other) { |
| if (timestamp > other.timestamp) { |
| return -1; |
| } else if (timestamp < other.timestamp) { |
| return 1; |
| } else { |
| return eventType.compareTo(other.eventType); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) |
| return true; |
| if (o == null || getClass() != o.getClass()) |
| return false; |
| |
| TimelineEvent event = (TimelineEvent) o; |
| |
| if (timestamp != event.timestamp) |
| return false; |
| if (!eventType.equals(event.eventType)) |
| return false; |
| if (eventInfo != null ? !eventInfo.equals(event.eventInfo) : |
| event.eventInfo != null) |
| return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = (int) (timestamp ^ (timestamp >>> 32)); |
| result = 31 * result + eventType.hashCode(); |
| result = 31 * result + (eventInfo != null ? eventInfo.hashCode() : 0); |
| return result; |
| } |
| } |