/**
* 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.tez.dag.history.events;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.util.ConverterUtils;
import org.apache.tez.dag.history.HistoryEvent;
import org.apache.tez.dag.history.HistoryEventType;
import org.apache.tez.dag.history.ats.EntityTypes;
import org.apache.tez.dag.history.utils.ATSConstants;
import org.apache.tez.dag.recovery.records.RecoveryProtos.AMStartedProto;
import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class AMStartedEvent implements HistoryEvent {
private ApplicationAttemptId applicationAttemptId;
private long startTime;
public AMStartedEvent() {
}
public AMStartedEvent(ApplicationAttemptId appAttemptId,
long startTime) {
this.applicationAttemptId = appAttemptId;
this.startTime = startTime;
}
@Override
public HistoryEventType getEventType() {
return HistoryEventType.AM_STARTED;
}
@Override
public JSONObject convertToATSJSON() throws JSONException {
JSONObject jsonObject = new JSONObject();
jsonObject.put(ATSConstants.ENTITY,
"tez_" + applicationAttemptId.toString());
jsonObject.put(ATSConstants.ENTITY_TYPE,
EntityTypes.TEZ_APPLICATION_ATTEMPT.name());
// Related Entities
JSONArray relatedEntities = new JSONArray();
JSONObject appEntity = new JSONObject();
appEntity.put(ATSConstants.ENTITY,
applicationAttemptId.getApplicationId().toString());
appEntity.put(ATSConstants.ENTITY_TYPE,
ATSConstants.APPLICATION_ID);
JSONObject appAttemptEntity = new JSONObject();
appAttemptEntity.put(ATSConstants.ENTITY,
applicationAttemptId.toString());
appAttemptEntity.put(ATSConstants.ENTITY_TYPE,
ATSConstants.APPLICATION_ATTEMPT_ID);
relatedEntities.put(appEntity);
relatedEntities.put(appAttemptEntity);
jsonObject.put(ATSConstants.RELATED_ENTITIES, relatedEntities);
// TODO decide whether this goes into different events,
// event info or other info.
JSONArray events = new JSONArray();
JSONObject startEvent = new JSONObject();
startEvent.put(ATSConstants.TIMESTAMP, startTime);
startEvent.put(ATSConstants.EVENT_TYPE,
HistoryEventType.AM_STARTED.name());
events.put(startEvent);
jsonObject.put(ATSConstants.EVENTS, events);
return jsonObject;
}
@Override
public boolean isRecoveryEvent() {
return true;
}
@Override
public boolean isHistoryEvent() {
return true;
}
@Override
public String toString() {
return "appAttemptId=" + applicationAttemptId
+ ", startTime=" + startTime;
}
public AMStartedProto toProto() {
return AMStartedProto.newBuilder()
.setApplicationAttemptId(this.applicationAttemptId.toString())
.setStartTime(startTime)
.build();
}
public void fromProto(AMStartedProto proto) {
this.applicationAttemptId =
ConverterUtils.toApplicationAttemptId(proto.getApplicationAttemptId());
this.startTime = proto.getStartTime();
}
@Override
public void toProtoStream(OutputStream outputStream) throws IOException {
toProto().writeDelimitedTo(outputStream);
}
@Override
public void fromProtoStream(InputStream inputStream) throws IOException {
AMStartedProto proto = AMStartedProto.parseDelimitedFrom(inputStream);
if (proto == null) {
throw new IOException("No data found in stream");
}
fromProto(proto);
}
public ApplicationAttemptId getApplicationAttemptId() {
return applicationAttemptId;
}
public long getStartTime() {
return startTime;
}
}