IncomparableKey.java

/**
 * 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.mapred.join;

import java.io.DataInput;
import java.io.DataOutput;

import org.apache.hadoop.io.WritableComparable;

public class IncomparableKey implements WritableComparable {
  public void write(DataOutput out) { }
  public void readFields(DataInput in) { }
  public int compareTo(Object o) {
    throw new RuntimeException("Should never see this.");
  }
}