it.unibz.inf.ontop.answering.connection

Interface OBDAStatement

All Superinterfaces:

AutoCloseable

All Known Subinterfaces:

OntopStatement

All Known Implementing Classes:

QuestStatement

public interface OBDAStatement
extends AutoCloseable

Method Summary

Modifier and Type	Method and Description
void	cancel()
void	close()
<R extends OBDAResultSet> R	execute(InputQuery<R> inputQuery)
int	getMaxRows()
void	getMoreResults()
int	getQueryTimeout()
boolean	isClosed()
void	setMaxRows(int max)
void	setQueryTimeout(int seconds) Sets the number of seconds the driver will wait for a Statement object to execute to the given number of seconds.

Method Detail

cancel

void cancel()
     throws OntopConnectionException

Throws:

OntopConnectionException

close

void close()
    throws OntopConnectionException

Specified by:

close in interface AutoCloseable

Throws:

OntopConnectionException

execute

<R extends OBDAResultSet> R execute(InputQuery<R> inputQuery)
                             throws OntopReformulationException,
                                    OntopQueryEvaluationException,
                                    OntopConnectionException,
                                    OntopResultConversionException

Throws:

OntopReformulationException

OntopQueryEvaluationException

OntopConnectionException

OntopResultConversionException

getMaxRows

int getMaxRows()
        throws OntopConnectionException

Throws:

OntopConnectionException

getMoreResults

void getMoreResults()
             throws OntopConnectionException

Throws:

OntopConnectionException

getQueryTimeout

int getQueryTimeout()
             throws OntopConnectionException

Throws:

OntopConnectionException

setMaxRows

void setMaxRows(int max)
         throws OntopConnectionException

Throws:

OntopConnectionException

isClosed

boolean isClosed()
          throws OntopConnectionException

Throws:

OntopConnectionException

setQueryTimeout

void setQueryTimeout(int seconds)
              throws OntopConnectionException

Sets the number of seconds the driver will wait for a Statement object to execute to the given number of seconds. If the limit is exceeded, an exception is thrown.

Parameters:

seconds - the new query timeout limit in seconds; zero means no limit.

Throws:

OntopConnectionException