CompositeKeyOnlyComparator.java

package hip.ch6.joins.repartition.impl;

import org.apache.hadoop.io.WritableComparable;
import org.apache.hadoop.io.WritableComparator;

public class CompositeKeyOnlyComparator extends WritableComparator {

  protected CompositeKeyOnlyComparator() {
    super(CompositeKey.class, true);
  }

  @Override
  public int compare(WritableComparable o1, WritableComparable o2) {

    CompositeKey p1 = (CompositeKey) o1;
    CompositeKey p2 = (CompositeKey) o2;

    return p1.getKey().compareTo(p2.getKey());

  }
}