A basic query processor for spatial restrictions. More...

#include <SpatialQueryProcessor.h>

Inheritance diagram for te::da::SpatialQueryProcessor:

Public Member Functions
virtual std::unique_ptr< DataSet >	getDataSet (const DataSourcePtr &ds, const Select &q, te::common::TraverseType travType=te::common::FORWARDONLY)

virtual std::unique_ptr< DataSet >	getDataSet (DataSourceTransactor *t, const QueryCapabilities &capabilities, const Select &q, te::common::TraverseType travType=te::common::FORWARDONLY, bool connected=false)

virtual std::unique_ptr< ObjectIdSet >	getOIDSet (const DataSourcePtr &ds, const Select &q)

virtual std::unique_ptr< ObjectIdSet >	getOIDSet (DataSourceTransactor *t, const QueryCapabilities &capabilities, const Select &q)

	SpatialQueryProcessor ()
	Constructor. More...

virtual	~SpatialQueryProcessor ()
	Virtual destructor. More...

Protected Member Functions
virtual std::unique_ptr< ObjectIdSet >	getOIDSet (DataSourceTransactor *t, const Select &q)

virtual ObjectIdSet *	getOIDSet (DataSourceTransactor t, Select &baseSelect, te::da::Expression attrRestrictions, SpatialRestriction restriction, const DataSetType type, const std::vector< te::gm::Geometry * > &geomRestrictions)

Private Member Functions
te::gm::Envelope *	computeEnvelope (const std::vector< SpatialRestriction * > &restrictions) const

Expression *	getAttrRestrictions (const Select &q) const

std::string	getDataSetName (const Select &q) const

bool	supportsSpatialTopologicOperatos (const QueryCapabilities &capabilities, const std::vector< SpatialRestriction * > &restrictions) const

Detailed Description

A basic query processor for spatial restrictions.

Definition at line 59 of file SpatialQueryProcessor.h.

Constructor & Destructor Documentation

te::da::SpatialQueryProcessor::SpatialQueryProcessor ( )

default

Constructor.

te::da::SpatialQueryProcessor::~SpatialQueryProcessor ( )

virtualdefault

Virtual destructor.

Member Function Documentation

te::gm::Envelope * te::da::SpatialQueryProcessor::computeEnvelope ( const std::vector< SpatialRestriction * > & restrictions ) const

private

Definition at line 312 of file SpatialQueryProcessor.cpp.

References te::gm::Geometry::getMBR(), te::da::SpatialRestriction::m_geometry, and te::gm::Envelope::Union().

te::da::Expression * te::da::SpatialQueryProcessor::getAttrRestrictions ( const Select & q ) const

private

Definition at line 363 of file SpatialQueryProcessor.cpp.

References te::common::BaseVisitable< T, R >::accept(), te::da::AttributeRestrictionVisitor::getAttributeRestrictions(), and te::da::AttributeRestrictionVisitor::hasAttributeRestrictions().

Referenced by getOIDSet().

std::unique_ptr< te::da::DataSet > te::da::SpatialQueryProcessor::getDataSet	(	const DataSourcePtr &	ds,
		const Select &	q,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`
	)

virtual

Definition at line 62 of file SpatialQueryProcessor.cpp.

References capabilities, and te::da::DataSourceCapabilities::getQueryCapabilities().

Referenced by te::map::DataSetLayer::getData().

std::unique_ptr< te::da::DataSet > te::da::SpatialQueryProcessor::getDataSet	(	DataSourceTransactor *	t,
		const QueryCapabilities &	capabilities,
		const Select &	q,
		te::common::TraverseType	travType = `te::common::FORWARDONLY`,
		bool	connected = `false`
	)

virtual

Definition at line 73 of file SpatialQueryProcessor.cpp.

References te::common::BaseVisitable< T, R >::accept(), te::da::DataSourceTransactor::getDataSet(), getDataSetName(), getOIDSet(), te::da::SpatialRestrictionVisitor::getSpatialRestrictions(), te::da::SpatialRestrictionVisitor::hasSpatialRestrictions(), te::da::DataSourceTransactor::query(), supportsSpatialTopologicOperatos(), and TE_TR.

std::string te::da::SpatialQueryProcessor::getDataSetName ( const Select & q ) const

private

Definition at line 347 of file SpatialQueryProcessor.cpp.

References te::da::Select::getFrom(), and te::da::DataSetName::getName().

Referenced by getDataSet(), and getOIDSet().

std::unique_ptr< te::da::ObjectIdSet > te::da::SpatialQueryProcessor::getOIDSet	(	const DataSourcePtr &	ds,
		const Select &	q
	)

virtual

Definition at line 105 of file SpatialQueryProcessor.cpp.

References capabilities, and te::da::DataSourceCapabilities::getQueryCapabilities().

Referenced by getDataSet(), and getOIDSet().

std::unique_ptr< te::da::ObjectIdSet > te::da::SpatialQueryProcessor::getOIDSet	(	DataSourceTransactor *	t,
		const QueryCapabilities &	capabilities,
		const Select &	q
	)

virtual

Definition at line 116 of file SpatialQueryProcessor.cpp.

References te::common::BaseVisitable< T, R >::accept(), te::common::FORWARDONLY, te::da::GenerateOIDSet(), getAttrRestrictions(), getDataSetName(), te::da::DataSourceTransactor::getDataSetType(), te::da::GetEmptyOIDSet(), te::da::Select::getFields(), te::da::Select::getFrom(), getOIDSet(), te::da::DataSourceTransactor::query(), te::da::Select::setFields(), te::da::Select::setFrom(), supportsSpatialTopologicOperatos(), and te::da::ObjectIdSet::Union().

std::unique_ptr< te::da::ObjectIdSet > te::da::SpatialQueryProcessor::getOIDSet	(	DataSourceTransactor *	t,
		const Select &	q
	)

protectedvirtual

Definition at line 180 of file SpatialQueryProcessor.cpp.

References te::common::BaseVisitable< T, R >::accept(), getAttrRestrictions(), getDataSetName(), te::da::DataSourceTransactor::getDataSetType(), te::da::GetEmptyOIDSet(), te::da::Select::getFields(), te::da::Select::getFrom(), getOIDSet(), te::da::Select::setFields(), te::da::Select::setFrom(), and te::da::ObjectIdSet::Union().

te::da::ObjectIdSet * te::da::SpatialQueryProcessor::getOIDSet	(	DataSourceTransactor *	t,
		Select &	baseSelect,
		te::da::Expression *	attrRestrictions,
		SpatialRestriction *	restriction,
		const DataSetType *	type,
		const std::vector< te::gm::Geometry * > &	geomRestrictions
	)

protectedvirtual

Definition at line 234 of file SpatialQueryProcessor.cpp.

References te::common::FORWARDONLY, te::da::GenerateOID(), te::da::GetEmptyOIDSet(), te::gm::Geometry::getMBR(), te::gm::Geometry::getSRID(), te::da::SpatialRestriction::m_geometry, te::da::SpatialRestriction::m_pname, te::da::SpatialRestriction::m_type, te::da::DataSourceTransactor::query(), te::gm::SatisfySpatialRelation(), and te::da::Select::setWhere().

bool te::da::SpatialQueryProcessor::supportsSpatialTopologicOperatos	(	const QueryCapabilities &	capabilities,
		const std::vector< SpatialRestriction * > &	restrictions
	)		const

private

Definition at line 329 of file SpatialQueryProcessor.cpp.

References te::da::Function::getName(), te::da::QueryCapabilities::getSpatialTopologicOperators(), and te::da::SpatialRestriction::m_function.

Referenced by getDataSet(), and getOIDSet().

The documentation for this class was generated from the following files:

Public Member Functions

Protected Member Functions

Private Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation