Package org.eclipse.rdf4j.sail.inferencer

Interface InferencerConnection

All Superinterfaces:

AutoCloseable, NotifyingSailConnection, SailConnection

All Known Implementing Classes:

AbstractForwardChainingInferencerConnection, DedupingInferencerConnection, ElasticsearchStoreConnection, ExtensibleStoreConnection, InferencerConnectionWrapper, LimitedSizeNativeStoreConnection, LmdbStoreConnection, MemoryStoreConnection, NativeStoreConnection, SailSourceConnection, SchemaCachingRDFSInferencerConnection

public interface InferencerConnection
extends NotifyingSailConnection

An extension of the SailConnection interface offering methods that can be used by inferencers to store and remove inferred statements.

Method Summary

Modifier and Type	Method	Description
boolean	addInferredStatement(Resource subj, IRI pred, Value obj, Resource... contexts)	Adds an inferred statement to a specific context.
void	clearInferred(Resource... contexts)	Removes all inferred statements from the specified/all contexts.
void	flushUpdates()	Flushes any pending updates to be processed and the resulting changes to be reported to registered SailConnectionListeners.
boolean	removeInferredStatement(Resource subj, IRI pred, Value obj, Resource... contexts)	Removes an inferred statement from a specific context.

Methods inherited from interface org.eclipse.rdf4j.sail.NotifyingSailConnection

addConnectionListener, removeConnectionListener

Methods inherited from interface org.eclipse.rdf4j.sail.SailConnection

addStatement, addStatement, begin, begin, clear, clearNamespaces, close, commit, endUpdate, evaluate, explain, flush, getContextIDs, getNamespace, getNamespaces, getStatements, hasStatement, isActive, isOpen, pendingRemovals, prepare, prepareQuery, removeNamespace, removeStatement, removeStatements, rollback, setNamespace, setTransactionSettings, size, startUpdate

Method Details

addInferredStatement

boolean addInferredStatement(Resource subj,
 IRI pred,
 Value obj,
 Resource... contexts)
                      throws SailException

Adds an inferred statement to a specific context.

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:

SailException - If the statement could not be added.

IllegalStateException - If the connection has been closed.

removeInferredStatement

boolean removeInferredStatement(Resource subj,
 IRI pred,
 Value obj,
 Resource... contexts)
                         throws SailException

Removes an inferred statement from a specific context.

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:

SailException - If the statement could not be removed.

IllegalStateException - If the connection has been closed.

clearInferred

void clearInferred(Resource... contexts)
            throws SailException

Removes all inferred statements from the specified/all contexts. If no contexts are specified the method operates on the entire repository.

Parameters:

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:

SailException - If the statements could not be removed.

IllegalStateException - If the connection has been closed.

flushUpdates

void flushUpdates()
           throws SailException

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

Throws:

SailException - If the updates could not be processed.

IllegalStateException - If the connection has been closed.