cascading.tuple.hadoop.util

Class GroupingComparator

java.lang.Object

org.apache.hadoop.conf.Configured

cascading.tuple.hadoop.util.DeserializerComparator<cascading.tuple.io.TuplePair>

cascading.tuple.hadoop.util.GroupingComparator

All Implemented Interfaces:

java.util.Comparator<cascading.tuple.io.TuplePair>, Configurable, RawComparator<cascading.tuple.io.TuplePair>

public class GroupingComparator
extends DeserializerComparator<cascading.tuple.io.TuplePair>

Class GroupingComparator is an implementation of RawComparator.

Field Summary

Fields inherited from class cascading.tuple.hadoop.util.DeserializerComparator

groupComparators, keyTypes, lhsBuffer, lhsStream, rhsBuffer, rhsStream, tupleSerialization

Constructor Summary

Constructors

Constructor and Description
GroupingComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(byte[] b1, int s1, int l1, byte[] b2, int s2, int l2)
int	compare(cascading.tuple.io.TuplePair lhs, cascading.tuple.io.TuplePair rhs)

Methods inherited from class cascading.tuple.hadoop.util.DeserializerComparator

canPerformRawComparisons, compareTuples, compareTuples, getFieldComparatorsFrom, getHadoopTupleInputStream, performRawComparison, setConf

Methods inherited from class org.apache.hadoop.conf.Configured

getConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

GroupingComparator

public GroupingComparator()

Method Detail

compare

public int compare(byte[] b1,
                   int s1,
                   int l1,
                   byte[] b2,
                   int s2,
                   int l2)

compare

public int compare(cascading.tuple.io.TuplePair lhs,
                   cascading.tuple.io.TuplePair rhs)