/**
* 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.history.SummaryEvent;
import org.apache.tez.dag.records.TezVertexID;
import org.apache.tez.dag.recovery.records.RecoveryProtos;
import org.apache.tez.dag.recovery.records.RecoveryProtos.SummaryEventProto;
import org.apache.tez.dag.recovery.records.RecoveryProtos.VertexCommitStartedProto;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import com.google.protobuf.ByteString;
public class VertexCommitStartedEvent implements HistoryEvent, SummaryEvent {
private TezVertexID vertexID;
private long commitStartTime;
public VertexCommitStartedEvent() {
}
public VertexCommitStartedEvent(TezVertexID vertexId, long commitStartTime) {
this.vertexID = vertexId;
this.commitStartTime = commitStartTime;
}
@Override
public HistoryEventType getEventType() {
return HistoryEventType.VERTEX_COMMIT_STARTED;
}
@Override
public JSONObject convertToATSJSON() throws JSONException {
// TODO
return null;
}
@Override
public boolean isRecoveryEvent() {
return true;
}
@Override
public boolean isHistoryEvent() {
return false;
}
public VertexCommitStartedProto toProto() {
return VertexCommitStartedProto.newBuilder()
.setVertexId(vertexID.toString())
.build();
}
public void fromProto(VertexCommitStartedProto proto) {
this.vertexID = TezVertexID.fromString(proto.getVertexId());
}
@Override
public void toProtoStream(OutputStream outputStream) throws IOException {
toProto().writeDelimitedTo(outputStream);
}
@Override
public void fromProtoStream(InputStream inputStream) throws IOException {
VertexCommitStartedProto proto = VertexCommitStartedProto.parseDelimitedFrom(inputStream);
if (proto == null) {
throw new IOException("No data found in stream");
}
fromProto(proto);
}
@Override
public String toString() {
return "vertexId=" + vertexID;
}
public TezVertexID getVertexID() {
return this.vertexID;
}
@Override
public void toSummaryProtoStream(OutputStream outputStream) throws IOException {
SummaryEventProto.Builder builder = RecoveryProtos.SummaryEventProto.newBuilder()
.setDagId(vertexID.getDAGId().toString())
.setTimestamp(commitStartTime)
.setEventType(getEventType().ordinal())
.setEventPayload(
ByteString.copyFrom(vertexID.toString().getBytes()));
builder.build().writeDelimitedTo(outputStream);
}
@Override
public void fromSummaryProtoStream(SummaryEventProto proto) throws IOException {
this.vertexID = TezVertexID.fromString(
new String(proto.getEventPayload().toByteArray()));
this.commitStartTime = proto.getTimestamp();
}
@Override
public boolean writeToRecoveryImmediately() {
return false;
}
}