org.jrdf
Class SortedDiskJRDFFactory

java.lang.Object
  org.jrdf.SortedDiskJRDFFactory

All Implemented Interfaces:

JRDFFactory

public final class SortedDiskJRDFFactory
extends Object
implements JRDFFactory

The optimal version of an on disk JRDF graph. Currently, uses BDB for sorting intermedia results, Sesame for the on disk triple store and db4o for the ValueStore/NodePool/Stringpool.

Version:

$Id: TestJRDFFactory.java 533 2006-06-04 17:50:31 +1000 (Sun, 04 Jun 2006) newmana $

Author:

Andrew Newman

Method Summary

void	close() Closes any open resource created by the factory.
TripleBTree[]	getBTrees()
static JRDFFactory	getFactory()
Graph	getNewGraph() Create a new JRDF graph depending on the current configuration.
SparqlConnection	getNewSparqlConnection() Create a new connection to perform SPARQL operations depending on the current configuration.
void	refresh() Reload any configuration files used to create the objects.

Methods inherited from class java.lang.Object

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

Method Detail

getFactory

public static JRDFFactory getFactory()

refresh

public void refresh()

Description copied from interface: JRDFFactory

Reload any configuration files used to create the objects.

Specified by:

refresh in interface JRDFFactory

getBTrees

public TripleBTree[] getBTrees()

getNewGraph

public Graph getNewGraph()

Description copied from interface: JRDFFactory

Create a new JRDF graph depending on the current configuration.

Specified by:

getNewGraph in interface JRDFFactory

Returns:

a new instance of a JRDF graph.

getNewSparqlConnection

public SparqlConnection getNewSparqlConnection()

Description copied from interface: JRDFFactory

Create a new connection to perform SPARQL operations depending on the current configuration.

Specified by:

getNewSparqlConnection in interface JRDFFactory

Returns:

a new instance of a SPARQL connection.

close

public void close()

Description copied from interface: JRDFFactory

Closes any open resource created by the factory.

Specified by:

close in interface JRDFFactory