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

Class AbstractTupleResultSet

java.lang.Object

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

All Implemented Interfaces:

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

Direct Known Subclasses:

JDBCTupleResultSet

public abstract class AbstractTupleResultSet
extends Object
implements TupleResultSet

Field Summary

Fields

Modifier and Type	Field and Description
protected ResultSet	rs
protected it.unibz.inf.ontop.com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable>	signature

Method Summary

Modifier and Type	Method and Description
protected OntopConnectionException	buildConnectionException(Exception e)
void	close()
int	getColumnCount()
int	getFetchSize()
it.unibz.inf.ontop.com.google.common.collect.ImmutableList<String>	getSignature()
boolean	hasNext()
boolean	isConnectionAlive()
protected boolean	moveCursor()
OntopBindingSet	next()
protected abstract OntopBindingSet	readCurrentRow()

Methods inherited from class java.lang.Object

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

Field Detail

rs

protected final ResultSet rs

signature

protected final it.unibz.inf.ontop.com.google.common.collect.ImmutableList<it.unibz.inf.ontop.model.term.Variable> signature

Method Detail

getColumnCount

public int getColumnCount()

Specified by:

getColumnCount in interface TupleResultSet

getFetchSize

public int getFetchSize()
                 throws OntopConnectionException

Specified by:

getFetchSize in interface TupleResultSet

Throws:

OntopConnectionException

getSignature

public it.unibz.inf.ontop.com.google.common.collect.ImmutableList<String> getSignature()

Specified by:

getSignature in interface TupleResultSet

next

public OntopBindingSet next()
                     throws OntopConnectionException,
                            OntopResultConversionException

Specified by:

next in interface IterativeOBDAResultSet<OntopBindingSet,OntopResultConversionException>

Throws:

OntopConnectionException

OntopResultConversionException

hasNext

public boolean hasNext()
                throws OntopConnectionException

Specified by:

hasNext in interface IterativeOBDAResultSet<OntopBindingSet,OntopResultConversionException>

Throws:

OntopConnectionException

moveCursor

protected boolean moveCursor()
                      throws SQLException,
                             OntopConnectionException

Throws:

SQLException

OntopConnectionException

close

public void close()
           throws OntopConnectionException

Specified by:

close in interface OBDAResultSet

Specified by:

close in interface AutoCloseable

Throws:

OntopConnectionException

isConnectionAlive

public boolean isConnectionAlive()
                          throws OntopConnectionException

Specified by:

isConnectionAlive in interface TupleResultSet

Throws:

OntopConnectionException

readCurrentRow

protected abstract OntopBindingSet readCurrentRow()
                                           throws OntopConnectionException,
                                                  OntopResultConversionException

Throws:

OntopConnectionException

OntopResultConversionException

buildConnectionException

protected OntopConnectionException buildConnectionException(Exception e)