org.apache.accumulo.core.client.lexicoder

Class ReverseLexicoder<T>

java.lang.Object

org.apache.accumulo.core.client.lexicoder.ReverseLexicoder<T>

All Implemented Interfaces:

Encoder<T>, Lexicoder<T>, org.apache.accumulo.core.iterators.TypedValueCombiner.Encoder<T>

public class ReverseLexicoder<T>
extends Object
implements Lexicoder<T>

A lexicoder that flips the sort order from another lexicoder. If this is applied to DateLexicoder, the most recent date will be sorted first and the oldest date will be sorted last. If it's applied to LongLexicoder, the Long.MAX_VALUE will be sorted first and Long.MIN_VALUE will be sorted last, etc...

Since:

1.6.0

Constructor Summary

Constructors

Constructor and Description
ReverseLexicoder(Lexicoder<T> lexicoder)

Method Summary

Modifier and Type	Method and Description
T	decode(byte[] data)
byte[]	encode(T data)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReverseLexicoder

public ReverseLexicoder(Lexicoder<T> lexicoder)

Parameters:

lexicoder - The lexicoder who's sort order will be flipped.

Method Detail

encode

public byte[] encode(T data)

Specified by:

encode in interface org.apache.accumulo.core.iterators.TypedValueCombiner.Encoder<T>

decode

public T decode(byte[] data)

Specified by:

decode in interface org.apache.accumulo.core.iterators.TypedValueCombiner.Encoder<T>