/**
* 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 java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.tez.dag.history.HistoryEvent;
import org.apache.tez.dag.history.HistoryEventType;
import org.apache.tez.dag.records.TezDAGID;
import org.apache.tez.dag.recovery.records.RecoveryProtos.DAGStartedProto;
public class DAGStartedEvent implements HistoryEvent {
private TezDAGID dagID;
private long startTime;
private String user;
private String dagName;
public DAGStartedEvent() {
}
public DAGStartedEvent(TezDAGID dagID, long startTime,
String user, String dagName) {
this.dagID = dagID;
this.startTime = startTime;
this.user = user;
this.dagName = dagName;
}
@Override
public HistoryEventType getEventType() {
return HistoryEventType.DAG_STARTED;
}
@Override
public boolean isRecoveryEvent() {
return true;
}
@Override
public boolean isHistoryEvent() {
return true;
}
public DAGStartedProto toProto() {
return DAGStartedProto.newBuilder()
.setDagId(dagID.toString())
.setStartTime(startTime)
.build();
}
public void fromProto(DAGStartedProto proto) {
this.dagID = TezDAGID.fromString(proto.getDagId());
this.startTime = proto.getStartTime();
}
@Override
public void toProtoStream(OutputStream outputStream) throws IOException {
toProto().writeDelimitedTo(outputStream);
}
@Override
public void fromProtoStream(InputStream inputStream) throws IOException {
DAGStartedProto proto = DAGStartedProto.parseDelimitedFrom(inputStream);
if (proto == null) {
throw new IOException("No data found in stream");
}
fromProto(proto);
}
@Override
public String toString() {
return "dagID=" + dagID
+ ", startTime=" + startTime;
}
public long getStartTime() {
return this.startTime;
}
public TezDAGID getDagID() {
return dagID;
}
public String getUser() {
return user;
}
public String getDagName() {
return dagName;
}
}