it.unibz.inf.ontop.answering.resultset.impl

Class EmptyTupleResultSet

java.lang.Object

it.unibz.inf.ontop.answering.resultset.impl.EmptyTupleResultSet

All Implemented Interfaces:

IterativeOBDAResultSet<OntopBindingSet,OntopResultConversionException>, OBDAResultSet, TupleResultSet, AutoCloseable

public class EmptyTupleResultSet
extends Object
implements TupleResultSet

Constructor Summary

Constructors

Constructor and Description
EmptyTupleResultSet(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable> answerVariables, it.unibz.inf.ontop.answering.logging.QueryLogger queryLogger)

Method Summary

Modifier and Type	Method and Description
void	close()
int	getColumnCount()
int	getFetchSize()
List<String>	getSignature()
boolean	hasNext()
boolean	isConnectionAlive()
OntopBindingSet	next()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EmptyTupleResultSet

public EmptyTupleResultSet(it.unibz.inf.ontop.com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable> answerVariables,
                           it.unibz.inf.ontop.answering.logging.QueryLogger queryLogger)

Method Detail

close

public void close()

Specified by:

close in interface OBDAResultSet

Specified by:

close in interface AutoCloseable

getColumnCount

public int getColumnCount()

Specified by:

getColumnCount in interface TupleResultSet

getFetchSize

public int getFetchSize()

Specified by:

getFetchSize in interface TupleResultSet

isConnectionAlive

public boolean isConnectionAlive()
                          throws OntopConnectionException

Specified by:

isConnectionAlive in interface TupleResultSet

Throws:

OntopConnectionException

next

public OntopBindingSet next()

Specified by:

next in interface IterativeOBDAResultSet<OntopBindingSet,OntopResultConversionException>

getSignature

public List<String> getSignature()

Specified by:

getSignature in interface TupleResultSet

hasNext

public boolean hasNext()

Specified by:

hasNext in interface IterativeOBDAResultSet<OntopBindingSet,OntopResultConversionException>