org.openrdf.sail.inferencer.helpers
Class PreconditionInferencerConnection

java.lang.Object
  org.openrdf.sail.helpers.SailConnectionWrapper
      org.openrdf.sail.helpers.PreconditionSailConnection
          org.openrdf.sail.inferencer.helpers.PreconditionInferencerConnection

All Implemented Interfaces:

InferencerConnection, NotifyingSailConnection, SailConnection

public class PreconditionInferencerConnection
extends PreconditionSailConnection
implements InferencerConnection

Extension of PreconditionSailConnection that adds inferencer supoprt.

Author:

Arjohn Kampman

Field Summary

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

logger

Constructor Summary

PreconditionInferencerConnection(InferencerConnection con)

Method Summary

void	addConnectionListener(SailConnectionListener listener) Registers a SailConnection listener with this SailConnection.
boolean	addInferredStatement(Resource subj, URI pred, Value obj, Resource... contexts) Adds an inferred statement to a specific context.
void	flushUpdates() Flushes any pending updates to be processed and the resulting changes to be reported to registered SailConnectionListeners.
protected InferencerConnection	getDelegate() Gets the connection that is wrapped by this object.
void	removeConnectionListener(SailConnectionListener listener) Deregisters a SailConnection listener with this SailConnection.
boolean	removeInferredStatements(Resource subj, URI pred, Value obj, Resource... contexts) Removes an inferred statement from a specific context.

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

addStatement, begin, clearNamespaces, close, commit, evaluate, getContextIDs, getNamespace, getNamespaces, getStatements, removeNamespace, removeStatements, rollback, setNamespace, setReadOnly, size, verifyIsOpen, verifyNotReadOnly, verifyNotTxnActive, verifyTxnActive

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

getTransactionIsolation, getValueFactory, isAutoCommit, isOpen, isReadOnly, setTransactionIsolation

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.SailConnection

addStatement, begin, clearNamespaces, close, commit, evaluate, getContextIDs, getNamespace, getNamespaces, getStatements, getTransactionIsolation, getValueFactory, isAutoCommit, isOpen, isReadOnly, removeNamespace, removeStatements, rollback, setNamespace, setReadOnly, setTransactionIsolation, size

Constructor Detail

PreconditionInferencerConnection

public PreconditionInferencerConnection(InferencerConnection con)

Method Detail

getDelegate

protected InferencerConnection getDelegate()

Description copied from class: SailConnectionWrapper

Gets the connection that is wrapped by this object.

Overrides:

getDelegate in class SailConnectionWrapper

Returns:

The SailConnection object that was supplied to the constructor of this class.

addInferredStatement

public boolean addInferredStatement(Resource subj,
                                    URI pred,
                                    Value obj,
                                    Resource... contexts)
                             throws StoreException

Description copied from interface: InferencerConnection

Adds an inferred statement to a specific context.

Specified by:

addInferredStatement in interface InferencerConnection

Parameters:

subj - The subject of the statement to add.

pred - The predicate of the statement to add.

obj - The object of the statement to add.

contexts - The context(s) to add the statement to. Note that this parameter is a vararg and as such is optional. If no contexts are supplied the method operates on the entire repository.

Throws:

StoreException - If the statement could not be added.

removeInferredStatements

public boolean removeInferredStatements(Resource subj,
                                        URI pred,
                                        Value obj,
                                        Resource... contexts)
                                 throws StoreException

Description copied from interface: InferencerConnection

Removes an inferred statement from a specific context.

Specified by:

removeInferredStatements in interface InferencerConnection

Parameters:

subj - The subject of the statement that should be removed.

pred - The predicate of the statement that should be removed.

obj - The object of the statement that should be removed.

contexts - The context(s) from which to remove the statements. Note that this parameter is a vararg and as such is optional. If no contexts are supplied the method operates on the entire repository.

Throws:

StoreException - If the statement could not be removed.

flushUpdates

public void flushUpdates()
                  throws StoreException

Description copied from interface: InferencerConnection

Flushes any pending updates to be processed and the resulting changes to be reported to registered SailConnectionListeners.

Specified by:

flushUpdates in interface InferencerConnection

Throws:

StoreException - If the updates could not be processed.

addConnectionListener

public void addConnectionListener(SailConnectionListener listener)

Description copied from interface: NotifyingSailConnection

Registers a SailConnection listener with this SailConnection. The listener should be notified of any statements that are added or removed as part of this SailConnection.

Specified by:

addConnectionListener in interface NotifyingSailConnection

Parameters:

listener - A SailConnectionListener.

removeConnectionListener

public void removeConnectionListener(SailConnectionListener listener)

Description copied from interface: NotifyingSailConnection

Deregisters a SailConnection listener with this SailConnection.

Specified by:

removeConnectionListener in interface NotifyingSailConnection

Parameters:

listener - A SailConnectionListener.