org.openrdf.sail.nativerdf

Class NativeStoreConnection

java.lang.Object

org.openrdf.sail.helpers.SailConnectionBase

org.openrdf.sail.helpers.NotifyingSailConnectionBase

org.openrdf.sail.nativerdf.NativeStoreConnection

All Implemented Interfaces:

InferencerConnection, NotifyingSailConnection, SailConnection

Direct Known Subclasses:

LimitedSizeNativeStoreConnection

public class NativeStoreConnection
extends NotifyingSailConnectionBase
implements InferencerConnection

Author:

Arjohn Kampman

Field Summary

Fields

Modifier and Type	Field and Description
protected NativeStore	nativeStore

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

connectionLock, logger, updateLock

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	NativeStoreConnection(NativeStore nativeStore)

Method Summary

Modifier and Type	Method and Description
boolean	addInferredStatement(Resource subj, URI pred, Value obj, Resource... contexts) Adds an inferred statement to a specific context.
protected void	addStatementInternal(Resource subj, URI pred, Value obj, Resource... contexts)
void	clearInferred(Resource... contexts) Removes all inferred statements from the specified/all contexts.
protected void	clearInternal(Resource... contexts)
protected void	clearNamespacesInternal()
protected void	closeInternal()
protected void	commitInternal()
protected CloseableIteration<? extends BindingSet,QueryEvaluationException>	evaluateInternal(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings, boolean includeInferred)
void	flushUpdates() Flushes any pending updates to be processed and the resulting changes to be reported to registered SailConnectionListeners.
protected CloseableIteration<? extends Resource,SailException>	getContextIDsInternal()
protected EvaluationStrategy	getEvaluationStrategy(Dataset dataset, NativeTripleSource tripleSource)
protected String	getNamespaceInternal(String prefix)
protected CloseableIteration<? extends Namespace,SailException>	getNamespacesInternal()
protected CloseableIteration<? extends Statement,SailException>	getStatementsInternal(Resource subj, URI pred, Value obj, boolean includeInferred, Resource... contexts)
boolean	removeInferredStatement(Resource subj, URI pred, Value obj, Resource... contexts) Removes an inferred statement from a specific context.
protected void	removeNamespaceInternal(String prefix)
protected void	removeStatementsInternal(Resource subj, URI pred, Value obj, Resource... contexts)
protected void	replaceValues(TupleExpr tupleExpr)
protected void	rollbackInternal()
protected void	setNamespaceInternal(String prefix, String name)
protected long	sizeInternal(Resource... contexts)
protected void	startTransactionInternal()

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

addConnectionListener, hasConnectionListeners, notifyStatementAdded, notifyStatementRemoved, removeConnectionListener

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

addStatement, addStatement, autoStartTransaction, begin, clear, clearNamespaces, close, commit, endUpdate, evaluate, finalize, getContextIDs, getExclusiveConnectionLock, getNamespace, getNamespaces, getSharedConnectionLock, getStatements, getTransactionLock, isActive, isOpen, iterationClosed, prepare, registerIteration, removeNamespace, removeStatement, removeStatements, rollback, setNamespace, size, startUpdate, transactionActive, verifyIsActive, verifyIsOpen

Methods inherited from class java.lang.Object

clone, equals, 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, addStatement, begin, clear, clearNamespaces, close, commit, endUpdate, evaluate, getContextIDs, getNamespace, getNamespaces, getStatements, isActive, isOpen, prepare, removeNamespace, removeStatement, removeStatements, rollback, setNamespace, size, startUpdate

Field Detail

nativeStore

protected final NativeStore nativeStore

Constructor Detail

NativeStoreConnection

protected NativeStoreConnection(NativeStore nativeStore)
                         throws IOException

Throws:

IOException

Method Detail

closeInternal

protected void closeInternal()

Specified by:

closeInternal in class SailConnectionBase

evaluateInternal

protected CloseableIteration<? extends BindingSet,QueryEvaluationException> evaluateInternal(TupleExpr tupleExpr,
                                                                                             Dataset dataset,
                                                                                             BindingSet bindings,
                                                                                             boolean includeInferred)
                                                                                      throws SailException

Specified by:

evaluateInternal in class SailConnectionBase

Throws:

SailException

getEvaluationStrategy

protected EvaluationStrategy getEvaluationStrategy(Dataset dataset,
                                                   NativeTripleSource tripleSource)

replaceValues

protected void replaceValues(TupleExpr tupleExpr)
                      throws SailException

Throws:

SailException

getContextIDsInternal

protected CloseableIteration<? extends Resource,SailException> getContextIDsInternal()
                                                                              throws SailException

Specified by:

getContextIDsInternal in class SailConnectionBase

Throws:

SailException

getStatementsInternal

protected CloseableIteration<? extends Statement,SailException> getStatementsInternal(Resource subj,
                                                                                      URI pred,
                                                                                      Value obj,
                                                                                      boolean includeInferred,
                                                                                      Resource... contexts)
                                                                               throws SailException

Specified by:

getStatementsInternal in class SailConnectionBase

Throws:

SailException

sizeInternal

protected long sizeInternal(Resource... contexts)
                     throws SailException

Specified by:

sizeInternal in class SailConnectionBase

Throws:

SailException

getNamespacesInternal

protected CloseableIteration<? extends Namespace,SailException> getNamespacesInternal()
                                                                               throws SailException

Specified by:

getNamespacesInternal in class SailConnectionBase

Throws:

SailException

getNamespaceInternal

protected String getNamespaceInternal(String prefix)
                               throws SailException

Specified by:

getNamespaceInternal in class SailConnectionBase

Throws:

SailException

startTransactionInternal

protected void startTransactionInternal()
                                 throws SailException

Specified by:

startTransactionInternal in class SailConnectionBase

Throws:

SailException

commitInternal

protected void commitInternal()
                       throws SailException

Specified by:

commitInternal in class SailConnectionBase

Throws:

SailException

rollbackInternal

protected void rollbackInternal()
                         throws SailException

Specified by:

rollbackInternal in class SailConnectionBase

Throws:

SailException

addStatementInternal

protected void addStatementInternal(Resource subj,
                                    URI pred,
                                    Value obj,
                                    Resource... contexts)
                             throws SailException

Specified by:

addStatementInternal in class SailConnectionBase

Throws:

SailException

addInferredStatement

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

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:

SailException - If the statement could not be added.

removeStatementsInternal

protected void removeStatementsInternal(Resource subj,
                                        URI pred,
                                        Value obj,
                                        Resource... contexts)
                                 throws SailException

Specified by:

removeStatementsInternal in class SailConnectionBase

Throws:

SailException

removeInferredStatement

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

Description copied from interface: InferencerConnection

Removes an inferred statement from a specific context.

Specified by:

removeInferredStatement 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:

SailException - If the statement could not be removed.

clearInternal

protected void clearInternal(Resource... contexts)
                      throws SailException

Specified by:

clearInternal in class SailConnectionBase

Throws:

SailException

clearInferred

public void clearInferred(Resource... contexts)
                   throws SailException

Description copied from interface: InferencerConnection

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

Specified by:

clearInferred in interface InferencerConnection

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.

flushUpdates

public void flushUpdates()

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

setNamespaceInternal

protected void setNamespaceInternal(String prefix,
                                    String name)
                             throws SailException

Specified by:

setNamespaceInternal in class SailConnectionBase

Throws:

SailException

removeNamespaceInternal

protected void removeNamespaceInternal(String prefix)
                                throws SailException

Specified by:

removeNamespaceInternal in class SailConnectionBase

Throws:

SailException

clearNamespacesInternal

protected void clearNamespacesInternal()
                                throws SailException

Specified by:

clearNamespacesInternal in class SailConnectionBase

Throws:

SailException