it.unibz.inf.ontop.answering.connection.impl

Class QuestStatement

java.lang.Object

it.unibz.inf.ontop.answering.connection.impl.QuestStatement

All Implemented Interfaces:

OBDAStatement, OntopStatement, AutoCloseable

public abstract class QuestStatement
extends Object
implements OntopStatement

Abstract implementation of OntopStatement.

Constructor Summary

Constructors

Constructor and Description
QuestStatement(QueryReformulator queryProcessor)

Method Summary

Modifier and Type	Method and Description
void	cancel()
protected abstract void	cancelExecution() Cancel the processing of the target query.
<R extends OBDAResultSet> R	execute(InputQuery<R> inputQuery) Calls the necessary tuple or graph query execution Implements describe uri or var logic Returns the result set for the given query
<R extends OBDAResultSet> R	execute(InputQuery<R> inputQuery, it.unibz.inf.ontop.com.google.common.collect.ImmutableMultimap<String,String> httpHeaders)
GraphResultSet	executeConstructQuery(ConstructTemplate constructTemplate, it.unibz.inf.ontop.iq.IQ executableQuery, QueryLogger queryLogger)
protected abstract GraphResultSet	executeConstructQuery(ConstructTemplate constructTemplate, it.unibz.inf.ontop.iq.IQ executableQuery, QueryLogger queryLogger, boolean shouldAlsoCloseStatement)
protected GraphResultSet	executeDescribeQuery(DescribeQuery describeQuery, QueryLogger queryLogger)
TupleResultSet	executeSelectQuery(it.unibz.inf.ontop.iq.IQ executableQuery, QueryLogger queryLogger)
protected abstract TupleResultSet	executeSelectQuery(it.unibz.inf.ontop.iq.IQ executableQuery, QueryLogger queryLogger, boolean shouldAlsoCloseStatement)
it.unibz.inf.ontop.iq.IQ	getExecutableQuery(InputQuery inputQuery)
String	getRewritingRendering(InputQuery query)
boolean	isCanceled() Called to check whether the statement was cancelled on purpose

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unibz.inf.ontop.answering.connection.OntopStatement

executeBooleanQuery, getTupleCount

Methods inherited from interface it.unibz.inf.ontop.answering.connection.OBDAStatement

close, getMaxRows, getMoreResults, getQueryTimeout, isClosed, setMaxRows, setQueryTimeout

Constructor Detail

QuestStatement

public QuestStatement(QueryReformulator queryProcessor)

Method Detail

executeSelectQuery

public TupleResultSet executeSelectQuery(it.unibz.inf.ontop.iq.IQ executableQuery,
                                         QueryLogger queryLogger)
                                  throws OntopQueryEvaluationException

Specified by:

executeSelectQuery in interface OntopStatement

Throws:

OntopQueryEvaluationException

executeSelectQuery

protected abstract TupleResultSet executeSelectQuery(it.unibz.inf.ontop.iq.IQ executableQuery,
                                                     QueryLogger queryLogger,
                                                     boolean shouldAlsoCloseStatement)
                                              throws OntopQueryEvaluationException

Throws:

OntopQueryEvaluationException

executeConstructQuery

public GraphResultSet executeConstructQuery(ConstructTemplate constructTemplate,
                                            it.unibz.inf.ontop.iq.IQ executableQuery,
                                            QueryLogger queryLogger)
                                     throws OntopQueryEvaluationException,
                                            OntopResultConversionException,
                                            OntopConnectionException

Specified by:

executeConstructQuery in interface OntopStatement

Throws:

OntopQueryEvaluationException

OntopResultConversionException

OntopConnectionException

executeConstructQuery

protected abstract GraphResultSet executeConstructQuery(ConstructTemplate constructTemplate,
                                                        it.unibz.inf.ontop.iq.IQ executableQuery,
                                                        QueryLogger queryLogger,
                                                        boolean shouldAlsoCloseStatement)
                                                 throws OntopQueryEvaluationException,
                                                        OntopResultConversionException,
                                                        OntopConnectionException

Throws:

OntopQueryEvaluationException

OntopResultConversionException

OntopConnectionException

executeDescribeQuery

protected GraphResultSet executeDescribeQuery(DescribeQuery describeQuery,
                                              QueryLogger queryLogger)
                                       throws OntopQueryEvaluationException,
                                              OntopConnectionException,
                                              OntopReformulationException,
                                              OntopResultConversionException

Throws:

OntopQueryEvaluationException

OntopConnectionException

OntopReformulationException

OntopResultConversionException

cancelExecution

protected abstract void cancelExecution()
                                 throws OntopQueryEvaluationException

Cancel the processing of the target query.

Throws:

OntopQueryEvaluationException

execute

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

Calls the necessary tuple or graph query execution Implements describe uri or var logic Returns the result set for the given query

Specified by:

execute in interface OBDAStatement

Throws:

OntopConnectionException

OntopReformulationException

OntopQueryEvaluationException

OntopResultConversionException

execute

public <R extends OBDAResultSet> R execute(InputQuery<R> inputQuery,
                                           it.unibz.inf.ontop.com.google.common.collect.ImmutableMultimap<String,String> httpHeaders)
                                    throws OntopConnectionException,
                                           OntopReformulationException,
                                           OntopQueryEvaluationException,
                                           OntopResultConversionException

Specified by:

execute in interface OBDAStatement

Throws:

OntopConnectionException

OntopReformulationException

OntopQueryEvaluationException

OntopResultConversionException

cancel

public void cancel()
            throws OntopConnectionException

Specified by:

cancel in interface OBDAStatement

Throws:

OntopConnectionException

isCanceled

public boolean isCanceled()

Called to check whether the statement was cancelled on purpose

getRewritingRendering

public String getRewritingRendering(InputQuery query)
                             throws OntopReformulationException

Specified by:

getRewritingRendering in interface OntopStatement

Throws:

OntopReformulationException

getExecutableQuery

public it.unibz.inf.ontop.iq.IQ getExecutableQuery(InputQuery inputQuery)
                                            throws OntopReformulationException

Specified by:

getExecutableQuery in interface OntopStatement

Throws:

OntopReformulationException