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/**
* 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.hadoop.io;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/** A WritableComparable for ints. */
@InterfaceAudience.Public
@InterfaceStability.Stable
public class IntWritable implements WritableComparable {
private int value;
public IntWritable() {}
public IntWritable(int value) { set(value); }
/** Set the value of this IntWritable. */
public void set(int value) { this.value = value; }
/** Return the value of this IntWritable. */
public int get() { return value; }
@Override
public void readFields(DataInput in) throws IOException {
value = in.readInt();
}
@Override
public void write(DataOutput out) throws IOException {
out.writeInt(value);
}
/** Returns true iff o is a IntWritable with the same value. */
@Override
public boolean equals(Object o) {
if (!(o instanceof IntWritable))
return false;
IntWritable other = (IntWritable)o;
return this.value == other.value;
}
@Override
public int hashCode() {
return value;
}
/** Compares two IntWritables. */
@Override
public int compareTo(IntWritable o) {
int thisValue = this.value;
int thatValue = o.value;
return (thisValue