net.fortytwo.sesametools
Class SingleContextSail

java.lang.Object
  net.fortytwo.sesametools.SingleContextSail

All Implemented Interfaces:

org.openrdf.sail.Sail, org.openrdf.sail.StackableSail

public class SingleContextSail
extends Object
implements org.openrdf.sail.StackableSail

A Sail which treats the wildcard context as a single, specific context, and disallows read and write access to all other contexts, including the default context. Namespaces may be set and retrieved without restriction.

Author:

Joshua Shinavier (http://fortytwo.net)

Constructor Summary

SingleContextSail(org.openrdf.sail.Sail baseSail, org.openrdf.model.Resource context)
Construct a Sail which is restricted to a single graph context.

Method Summary

org.openrdf.sail.Sail	getBaseSail()
org.openrdf.sail.SailConnection	getConnection()
File	getDataDir()
org.openrdf.model.ValueFactory	getValueFactory()
void	initialize()
boolean	isWritable()
void	setBaseSail(org.openrdf.sail.Sail baseSail)
void	setDataDir(File dir)
void	shutDown()

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleContextSail

public SingleContextSail(org.openrdf.sail.Sail baseSail,
                         org.openrdf.model.Resource context)

Construct a Sail which is restricted to a single graph context.

Parameters:

baseSail - a base Sail for storage

context - a single, non-null graph context

Method Detail

getBaseSail

public org.openrdf.sail.Sail getBaseSail()

Specified by:

getBaseSail in interface org.openrdf.sail.StackableSail

setBaseSail

public void setBaseSail(org.openrdf.sail.Sail baseSail)

Specified by:

setBaseSail in interface org.openrdf.sail.StackableSail

getConnection

public org.openrdf.sail.SailConnection getConnection()
                                              throws org.openrdf.sail.SailException

Specified by:

getConnection in interface org.openrdf.sail.Sail

Throws:

org.openrdf.sail.SailException

getDataDir

public File getDataDir()

Specified by:

getDataDir in interface org.openrdf.sail.Sail

getValueFactory

public org.openrdf.model.ValueFactory getValueFactory()

Specified by:

getValueFactory in interface org.openrdf.sail.Sail

initialize

public void initialize()
                throws org.openrdf.sail.SailException

Specified by:

initialize in interface org.openrdf.sail.Sail

Throws:

org.openrdf.sail.SailException

isWritable

public boolean isWritable()
                   throws org.openrdf.sail.SailException

Specified by:

isWritable in interface org.openrdf.sail.Sail

Throws:

org.openrdf.sail.SailException

setDataDir

public void setDataDir(File dir)

Specified by:

setDataDir in interface org.openrdf.sail.Sail

shutDown

public void shutDown()
              throws org.openrdf.sail.SailException

Specified by:

shutDown in interface org.openrdf.sail.Sail

Throws:

org.openrdf.sail.SailException