net.fortytwo.sesametools
Class SingleContextSail

java.lang.Object
  org.openrdf.sail.helpers.SailBase
      net.fortytwo.sesametools.SingleContextSail

All Implemented Interfaces:

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

public class SingleContextSail
extends org.openrdf.sail.helpers.SailBase
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)

Field Summary

Fields inherited from class org.openrdf.sail.helpers.SailBase

connectionTimeOut, DEFAULT_CONNECTION_TIMEOUT, initializationLock, logger

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()
protected org.openrdf.sail.SailConnection	getConnectionInternal()
File	getDataDir()
org.openrdf.model.ValueFactory	getValueFactory()
protected void	initializeInternal()
boolean	isWritable()
void	setBaseSail(org.openrdf.sail.Sail baseSail)
void	setDataDir(File dir)
protected void	shutDownInternal()

Methods inherited from class org.openrdf.sail.helpers.SailBase

connectionClosed, debugEnabled, getConnection, initialize, isInitialized, shutDown, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.sail.Sail

getConnection, initialize, shutDown

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

getConnectionInternal

protected org.openrdf.sail.SailConnection getConnectionInternal()
                                                         throws org.openrdf.sail.SailException

Specified by:

getConnectionInternal in class org.openrdf.sail.helpers.SailBase

Throws:

org.openrdf.sail.SailException

getDataDir

public File getDataDir()

Specified by:

getDataDir in interface org.openrdf.sail.Sail

Overrides:

getDataDir in class org.openrdf.sail.helpers.SailBase

getValueFactory

public org.openrdf.model.ValueFactory getValueFactory()

Specified by:

getValueFactory in interface org.openrdf.sail.Sail

initializeInternal

protected void initializeInternal()
                           throws org.openrdf.sail.SailException

Overrides:

initializeInternal in class org.openrdf.sail.helpers.SailBase

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

Overrides:

setDataDir in class org.openrdf.sail.helpers.SailBase

shutDownInternal

protected void shutDownInternal()
                         throws org.openrdf.sail.SailException

Specified by:

shutDownInternal in class org.openrdf.sail.helpers.SailBase

Throws:

org.openrdf.sail.SailException