com.bigdata.rdf.spo
Class SPOSortKeyBuilder

java.lang.Object
  com.bigdata.rdf.spo.SPOSortKeyBuilder

All Implemented Interfaces:

ISortKeyBuilder<ISPO>

public class SPOSortKeyBuilder
extends Object
implements ISortKeyBuilder<ISPO>

Class produces unsigned byte[] sort keys for ISPOs. This implementation is NOT thread-safe.

Version:

$Id: SPOSortKeyBuilder.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Constructor Summary

SPOSortKeyBuilder(int arity)

Method Summary

byte[]

getSortKey(ISPO spo) Distinct iff the {s:p:o} are distinct.

Methods inherited from class java.lang.Object

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

Constructor Detail

SPOSortKeyBuilder

public SPOSortKeyBuilder(int arity)

Method Detail

getSortKey

public byte[] getSortKey(ISPO spo)

Distinct iff the {s:p:o} are distinct.

Specified by:

getSortKey in interface ISortKeyBuilder<ISPO>

Parameters:

spo - Some object (required).

Returns:

The unsigned byte[] sort key.