org.apache.hadoop.yarn.api.records.timeline.TimelineEntityGroupId Maven / Gradle / Ivy
/**
* 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 org.apache.hadoop.thirdparty.com.google.common.base.Splitter;
/**
* TimelineEntityGroupId
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.
*/
@Public
@Unstable
public class TimelineEntityGroupId implements
Comparable {
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 ApplicationId
of the
* TimelineEntityGroupId
.
*
* @return ApplicationId
of the
* TimelineEntityGroupId
*/
public ApplicationId getApplicationId() {
return this.applicationId;
}
public void setApplicationId(ApplicationId appID) {
this.applicationId = appID;
}
/**
* Get the timelineEntityGroupId
.
*
* @return timelineEntityGroupId
*/
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("_")
.append(appId.getId()).append("_")
.append(getTimelineEntityGroupId());
return sb.toString();
}
public static TimelineEntityGroupId
fromString(String timelineEntityGroupIdStr) {
StringBuffer buf = new StringBuffer();
Iterator 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());
}
}