cascading.tuple.util
Class TupleHasher

java.lang.Object
  extended by cascading.tuple.util.TupleHasher
Direct Known Subclasses:
HasherPartitioner

public class TupleHasher
extends Object


Constructor Summary
TupleHasher()
           
TupleHasher(Comparator defaultComparator, Comparator[] comparators)
           
 
Method Summary
 int hashCode(Tuple tuple)
           
protected  void initialize(Comparator defaultComparator, Comparator[] comparators)
           
static boolean isNull(Comparator[] comparators)
           
static Comparator[] merge(Fields[] keyFields)
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TupleHasher

public TupleHasher()

TupleHasher

public TupleHasher(Comparator defaultComparator,
                   Comparator[] comparators)
Method Detail

merge

public static Comparator[] merge(Fields[] keyFields)

isNull

public static boolean isNull(Comparator[] comparators)

initialize

protected void initialize(Comparator defaultComparator,
                          Comparator[] comparators)

hashCode

public final int hashCode(Tuple tuple)


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