org.openrdf.sail.inferencer.helpers
Class AutoCommitInferencerConnection

java.lang.Object
  org.openrdf.sail.helpers.SailConnectionWrapper
      org.openrdf.sail.helpers.AutoCommitSailConnection
          org.openrdf.sail.helpers.AutoCommitNotifyingConnection
              org.openrdf.sail.inferencer.helpers.AutoCommitInferencerConnection

All Implemented Interfaces:

InferencerConnection, NotifyingSailConnection, SailConnection

public class AutoCommitInferencerConnection
extends AutoCommitNotifyingConnection
implements InferencerConnection

Adds auto-commit functionality to sail connections by wrapping updates with calls to SailConnectionWrapper.begin() and SailConnectionWrapper.commit() when performed outside an explicit transactions.

Author:

James Leigh, Arjohn Kampman

Constructor Summary

AutoCommitInferencerConnection(InferencerConnection con)

Method Summary

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.
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.AutoCommitNotifyingConnection

addConnectionListener, removeConnectionListener

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

addStatement, clearNamespaces, removeNamespace, removeStatements, setNamespace

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

begin, close, commit, evaluate, getContextIDs, getNamespace, getNamespaces, getStatements, getTransactionIsolation, getValueFactory, isAutoCommit, isOpen, isReadOnly, rollback, setReadOnly, setTransactionIsolation, size

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.NotifyingSailConnection

addConnectionListener, removeConnectionListener

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

AutoCommitInferencerConnection

public AutoCommitInferencerConnection(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 AutoCommitNotifyingConnection

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.