org.openrdf.sail.base

Class BackingSailSource

java.lang.Object

org.openrdf.sail.base.BackingSailSource

All Implemented Interfaces:

SailClosable, SailSource

public abstract class BackingSailSource
extends Object
implements SailSource

A Backing SailSource that does not respond to close() prepare() or flush(). These methods have no effect.

Author:

James Leigh

Constructor Summary

Constructors

Constructor and Description
BackingSailSource()

Method Summary

Modifier and Type	Method and Description
void	close() Closes this resource, relinquishing any underlying resources.
void	flush() Apply all the changes to this branch to the backing SailSource, if applicable.
SailSource	fork() Creates a new branch of this source.
void	prepare() Check the consistency of this branch and throws a SailConflictException if SailSource.flush()ing this branch would cause the backing SailSource to be inconsistent, if applicable.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.sail.base.SailSource

dataset, sink

Constructor Detail

BackingSailSource

public BackingSailSource()

Method Detail

fork

public SailSource fork()

Description copied from interface: SailSource

Creates a new branch of this source. When it's SailSource.flush() is called the changes are applied to this backing source.

Specified by:

fork in interface SailSource

Returns:

a branched SailSource.

close

public void close()
           throws SailException

Description copied from interface: SailClosable

Closes this resource, relinquishing any underlying resources.

Specified by:

close in interface SailClosable

Throws:

SailException - if this resource cannot be closed

prepare

public void prepare()
             throws SailException

Description copied from interface: SailSource

Check the consistency of this branch and throws a SailConflictException if SailSource.flush()ing this branch would cause the backing SailSource to be inconsistent, if applicable. If this is the final backing SailSource calling this method has no effect.

Specified by:

prepare in interface SailSource

Throws:

SailException

flush

public void flush()
           throws SailException

Description copied from interface: SailSource

Apply all the changes to this branch to the backing SailSource, if applicable. If this is the final backing SailSource calling this method has no effect.

Specified by:

flush in interface SailSource

Throws:

SailException