| /** |
| * 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.Iterator; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceAudience.Public; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import com.google.common.base.Splitter; |
| |
| /** |
| * <p><code>TimelineEntityGroupId</code> is an abstract way for |
| * timeline service users to represent “a group of related timeline data. |
| * For example, all entities that represents one data flow DAG execution |
| * can be grouped into one timeline entity group. </p> |
| */ |
| @Public |
| @Unstable |
| public class TimelineEntityGroupId implements |
| Comparable<TimelineEntityGroupId> { |
| |
| private static final Splitter SPLITTER = Splitter.on('_').trimResults(); |
| |
| private ApplicationId applicationId; |
| private String id; |
| |
| @Private |
| @Unstable |
| public static final String TIMELINE_ENTITY_GROUPID_STR_PREFIX = |
| "timelineEntityGroupId"; |
| |
| public TimelineEntityGroupId() { |
| |
| } |
| |
| public static TimelineEntityGroupId newInstance(ApplicationId applicationId, |
| String id) { |
| TimelineEntityGroupId timelineEntityGroupId = |
| new TimelineEntityGroupId(); |
| timelineEntityGroupId.setApplicationId(applicationId); |
| timelineEntityGroupId.setTimelineEntityGroupId(id); |
| return timelineEntityGroupId; |
| } |
| |
| /** |
| * Get the <code>ApplicationId</code> of the |
| * <code>TimelineEntityGroupId</code>. |
| * |
| * @return <code>ApplicationId</code> of the |
| * <code>TimelineEntityGroupId</code> |
| */ |
| public ApplicationId getApplicationId() { |
| return this.applicationId; |
| } |
| |
| public void setApplicationId(ApplicationId appID) { |
| this.applicationId = appID; |
| } |
| |
| /** |
| * Get the <code>timelineEntityGroupId</code>. |
| * |
| * @return <code>timelineEntityGroupId</code> |
| */ |
| public String getTimelineEntityGroupId() { |
| return this.id; |
| } |
| |
| @Private |
| @Unstable |
| protected void setTimelineEntityGroupId(String timelineEntityGroupId) { |
| this.id = timelineEntityGroupId; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = getTimelineEntityGroupId().hashCode(); |
| result = 31 * result + getApplicationId().hashCode(); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| TimelineEntityGroupId otherObject = (TimelineEntityGroupId) obj; |
| if (!this.getApplicationId().equals(otherObject.getApplicationId())) { |
| return false; |
| } |
| if (!this.getTimelineEntityGroupId().equals( |
| otherObject.getTimelineEntityGroupId())) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public int compareTo(TimelineEntityGroupId other) { |
| int compareAppIds = |
| this.getApplicationId().compareTo(other.getApplicationId()); |
| if (compareAppIds == 0) { |
| return this.getTimelineEntityGroupId().compareTo( |
| other.getTimelineEntityGroupId()); |
| } else { |
| return compareAppIds; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(TIMELINE_ENTITY_GROUPID_STR_PREFIX + "_"); |
| ApplicationId appId = getApplicationId(); |
| sb.append(appId.getClusterTimestamp()).append("_"); |
| sb.append(appId.getId()).append("_"); |
| sb.append(getTimelineEntityGroupId()); |
| return sb.toString(); |
| } |
| |
| public static TimelineEntityGroupId |
| fromString(String timelineEntityGroupIdStr) { |
| StringBuffer buf = new StringBuffer(); |
| Iterator<String> it = SPLITTER.split(timelineEntityGroupIdStr).iterator(); |
| if (!it.next().equals(TIMELINE_ENTITY_GROUPID_STR_PREFIX)) { |
| throw new IllegalArgumentException( |
| "Invalid TimelineEntityGroupId prefix: " + timelineEntityGroupIdStr); |
| } |
| ApplicationId appId = |
| ApplicationId.newInstance(Long.parseLong(it.next()), |
| Integer.parseInt(it.next())); |
| buf.append(it.next()); |
| while (it.hasNext()) { |
| buf.append("_"); |
| buf.append(it.next()); |
| } |
| return TimelineEntityGroupId.newInstance(appId, buf.toString()); |
| } |
| } |