Examples of cascading.tuple.Hasher

cascading.tuple.Hasher
The Hasher allows a {@link java.util.Comparator} implementation to also be delegated to during hashCode generationduring grouping partitioning.
If a Comparator is used to compare two types during grouping, its likely the {@code hashCode} value betweenthe two objects will not be consistent. This allows to objects being equal to hash to the same bucket (reducer) during partitioning.

    return false;
    }


  protected void initialize( Comparator defaultComparator, Comparator[] comparators )
    {
    Hasher defaultHasher = DEFAULT;


    if( defaultComparator instanceof Hasher )
      defaultHasher = (Hasher) defaultComparator;


    hashers = new Hasher[ comparators.length ];

View Full Code Here

TOP

Related Classes of cascading.tuple.Hasher

cascading.tuple.util.TupleHasher

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.