| /** |
| * 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.engine.api.impl; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.io.Writable; |
| import org.apache.tez.dag.api.DagTypeConverters; |
| import org.apache.tez.dag.api.OutputDescriptor; |
| import org.apache.tez.dag.api.records.DAGProtos.TezEntityDescriptorProto; |
| |
| public class OutputSpec implements Writable { |
| |
| private String destinationVertexName; |
| private OutputDescriptor outputDescriptor; |
| private int physicalEdgeCount; |
| |
| public OutputSpec() { |
| } |
| |
| public OutputSpec(String destinationVertexName, |
| OutputDescriptor outputDescriptor, int physicalEdgeCount) { |
| this.destinationVertexName = destinationVertexName; |
| this.outputDescriptor = outputDescriptor; |
| this.physicalEdgeCount = physicalEdgeCount; |
| } |
| |
| public String getDestinationVertexName() { |
| return destinationVertexName; |
| } |
| |
| public OutputDescriptor getOutputDescriptor() { |
| return outputDescriptor; |
| } |
| |
| public int getPhysicalEdgeCount() { |
| return physicalEdgeCount; |
| } |
| |
| @Override |
| public void write(DataOutput out) throws IOException { |
| // TODONEWTEZ convert to PB |
| out.writeUTF(destinationVertexName); |
| out.writeInt(physicalEdgeCount); |
| byte[] inputDescBytes = |
| DagTypeConverters.convertToDAGPlan(outputDescriptor).toByteArray(); |
| out.writeInt(inputDescBytes.length); |
| out.write(inputDescBytes); |
| } |
| |
| @Override |
| public void readFields(DataInput in) throws IOException { |
| destinationVertexName = in.readUTF(); |
| physicalEdgeCount = in.readInt(); |
| int inputDescLen = in.readInt(); |
| byte[] inputDescBytes = new byte[inputDescLen]; |
| in.readFully(inputDescBytes); |
| outputDescriptor = |
| DagTypeConverters.convertOutputDescriptorFromDAGPlan( |
| TezEntityDescriptorProto.parseFrom(inputDescBytes)); |
| } |
| |
| public String toString() { |
| return "{ destinationVertexName=" + destinationVertexName |
| + ", physicalEdgeCount" + physicalEdgeCount |
| + ", outputClassName=" + outputDescriptor.getClassName() |
| + " }"; |
| } |
| } |