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:

$Id$

Author:

Bryan Thompson

Constructor Summary

Constructors

Constructor and Description
SPOSortKeyBuilder(int arity)

Method Summary

Methods

Modifier and Type	Method and Description
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.