| /** |
| * 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.OutputStream; |
| import java.nio.charset.Charset; |
| |
| import com.google.protobuf.CodedInputStream; |
| import com.google.protobuf.CodedOutputStream; |
| 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 com.google.protobuf.ByteString; |
| |
| public class VertexCommitStartedEvent implements HistoryEvent, SummaryEvent { |
| |
| private TezVertexID vertexID; |
| private long commitStartTime; |
| private final Charset charSet = Charset.forName("UTF-8"); |
| |
| 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 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(CodedOutputStream outputStream) throws IOException { |
| outputStream.writeMessageNoTag(toProto()); |
| } |
| |
| @Override |
| public void fromProtoStream(CodedInputStream inputStream) throws IOException { |
| VertexCommitStartedProto proto = inputStream.readMessage(VertexCommitStartedProto.PARSER, null); |
| 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(charSet))); |
| builder.build().writeDelimitedTo(outputStream); |
| } |
| |
| @Override |
| public void fromSummaryProtoStream(SummaryEventProto proto) throws IOException { |
| this.vertexID = TezVertexID.fromString( |
| new String(proto.getEventPayload().toByteArray(), charSet)); |
| this.commitStartTime = proto.getTimestamp(); |
| } |
| |
| @Override |
| public boolean writeToRecoveryImmediately() { |
| return false; |
| } |
| |
| |
| } |