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

#include <SpatialQueryProcessor.h>

Inheritance diagram for te::da::SpatialQueryProcessor:

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

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

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

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

	SpatialQueryProcessor ()
	Constructor. More...

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

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

virtual ObjectIdSet *	getOIDSet (DataSourceTransactor t, Select &baseSelect, 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

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 ( )

Constructor.

Definition at line 56 of file SpatialQueryProcessor.cpp.

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

virtual

Virtual destructor.

Definition at line 60 of file SpatialQueryProcessor.cpp.

Member Function Documentation

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

private

Definition at line 307 of file SpatialQueryProcessor.cpp.

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

std::auto_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 64 of file SpatialQueryProcessor.cpp.

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

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

std::auto_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 75 of file SpatialQueryProcessor.cpp.

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

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

private

Definition at line 342 of file SpatialQueryProcessor.cpp.

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

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

virtual

Definition at line 107 of file SpatialQueryProcessor.cpp.

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

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

virtual

Definition at line 118 of file SpatialQueryProcessor.cpp.

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

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

protectedvirtual

Definition at line 179 of file SpatialQueryProcessor.cpp.

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

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

protectedvirtual

Definition at line 230 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 324 of file SpatialQueryProcessor.cpp.

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

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

/home/castejon/castejon_files/develop/terralib5/git/src/terralib/dataaccess/query/SpatialQueryProcessor.h
/home/castejon/castejon_files/develop/terralib5/git/src/terralib/dataaccess/query/SpatialQueryProcessor.cpp

Public Member Functions

Protected Member Functions

Private Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation