/**
* 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.InputDescriptor;
public class InputSpec implements Writable {
private String sourceVertexName;
private InputDescriptor inputDescriptor;
private int physicalEdgeCount;
public InputSpec() {
}
public InputSpec(String sourceVertexName, InputDescriptor inputDescriptor,
int physicalEdgeCount) {
this.sourceVertexName = StringInterner.weakIntern(sourceVertexName);
this.inputDescriptor = inputDescriptor;
this.physicalEdgeCount = physicalEdgeCount;
}
public String getSourceVertexName() {
return sourceVertexName;
}
public InputDescriptor getInputDescriptor() {
return inputDescriptor;
}
public int getPhysicalEdgeCount() {
return physicalEdgeCount;
}
@Override
public void write(DataOutput out) throws IOException {
// TODO TEZ-305 convert this to PB
out.writeUTF(sourceVertexName);
out.writeInt(physicalEdgeCount);
inputDescriptor.write(out);
}
@Override
public void readFields(DataInput in) throws IOException {
sourceVertexName = StringInterner.weakIntern(in.readUTF());
physicalEdgeCount = in.readInt();
inputDescriptor = new InputDescriptor();
inputDescriptor.readFields(in);
}
public String toString() {
return "{ sourceVertexName=" + sourceVertexName
+ ", physicalEdgeCount=" + physicalEdgeCount
+ ", inputClassName=" + inputDescriptor.getClassName()
+ " }";
}
}