/**
* 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.runtime.api.impl;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.util.StringInterner;
import org.apache.tez.dag.api.OutputDescriptor;
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 = StringInterner.weakIntern(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 {
// TODO TEZ-305 convert this to PB
out.writeUTF(destinationVertexName);
out.writeInt(physicalEdgeCount);
outputDescriptor.write(out);
}
@Override
public void readFields(DataInput in) throws IOException {
destinationVertexName = StringInterner.weakIntern(in.readUTF());
physicalEdgeCount = in.readInt();
outputDescriptor = new OutputDescriptor();
outputDescriptor.readFields(in);
}
public String toString() {
return "{ destinationVertexName=" + destinationVertexName
+ ", physicalEdgeCount=" + physicalEdgeCount
+ ", outputClassName=" + outputDescriptor.getClassName()
+ " }";
}
}