te::map::QueryEncoder Class Reference

A visitor that converts a OGC Filter Expression to TerraLib Expression. More...

#include <QueryEncoder.h>

Inheritance diagram for te::map::QueryEncoder:

Public Member Functions
Initializer Methods
Methods related to instantiation and destruction of a Filter visitor.
	QueryEncoder ()
	Default constructor. More...
	~QueryEncoder ()
	Virtual destructor. More...
Conversion Methods
Methods that can be used to convert a OGC Filter Expression to a TerraLib Expression.
te::da::Expression *	getExpression (const te::fe::Filter *f)
	It converts the OGC Filter Expression to a TerraLib Expression. More...
Visitor Methods
All concrete visitors must implement these methods.
void	visit (const te::fe::AbstractOp &visited)
void	visit (const te::fe::SpatialOp &visited)
void	visit (const te::fe::ComparisonOp &visited)
void	visit (const te::fe::LogicOp &visited)
void	visit (const te::fe::BBOXOp &visited)
void	visit (const te::fe::BinaryComparisonOp &visited)
void	visit (const te::fe::BinaryLogicOp &visited)
void	visit (const te::fe::BinarySpatialOp &visited)
void	visit (const te::fe::DistanceBuffer &visited)
void	visit (const te::fe::PropertyIsBetween &visited)
void	visit (const te::fe::PropertyIsLike &visited)
void	visit (const te::fe::PropertyIsNull &visited)
void	visit (const te::fe::UnaryLogicOp &visited)
void	visit (const te::fe::Expression &visited)
void	visit (const te::fe::BinaryOperator &visited)
void	visit (const te::fe::Function &visited)
void	visit (const te::fe::Literal &visited)
void	visit (const te::fe::PropertyName &visited)

Private Member Functions
Not Allowed Methods
No copy allowed.
	QueryEncoder (const QueryEncoder &rhs)
	No copy constructor allowed. More...
QueryEncoder &	operator= (const QueryEncoder &rhs)
	No assignment operator allowed. More...

Static Private Member Functions
static void	initialize ()
	Static method to initialize the QueryEncoder. More...

Private Attributes
te::da::Expression *	m_expression
	Expression used during conversion. More...

Static Private Attributes
static std::map< std::string, std::string >	sm_fnameMap
	A map that associates Filter Operator names to Query Functions names. More...

Friends
class	Module

Detailed Description

A visitor that converts a OGC Filter Expression to TerraLib Expression.

See also

Visitor

Definition at line 53 of file QueryEncoder.h.

Constructor & Destructor Documentation

te::map::QueryEncoder::QueryEncoder

(

)

Default constructor.

te::map::QueryEncoder::~QueryEncoder

(

)

Virtual destructor.

te::map::QueryEncoder::QueryEncoder ( const QueryEncoder &  rhs )

private

No copy constructor allowed.

Parameters

rhs	The other object.

Member Function Documentation

te::da::Expression* te::map::QueryEncoder::getExpression

(

const te::fe::Filter *

f

)

It converts the OGC Filter Expression to a TerraLib Expression.

Parameters

f	A valid filter expression.

Returns

An equivalent TerraLib expression for the given filter.

Note

The caller of this method will take the ownership of the returned expression.

static void te::map::QueryEncoder::initialize ( )

staticprivate

Static method to initialize the QueryEncoder.

QueryEncoder& te::map::QueryEncoder::operator= ( const QueryEncoder &  rhs )

private

No assignment operator allowed.

Parameters

rhs	The other object.

Returns

A reference for this.

void te::map::QueryEncoder::visit ( const te::fe::AbstractOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::SpatialOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::ComparisonOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::LogicOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::BBOXOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::BinaryComparisonOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::BinaryLogicOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::BinarySpatialOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::DistanceBuffer &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::PropertyIsBetween &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::PropertyIsLike &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::PropertyIsNull &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::UnaryLogicOp &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::Expression &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::BinaryOperator &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::Function &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::Literal &  visited )

virtual

Implements te::fe::Visitor.

void te::map::QueryEncoder::visit ( const te::fe::PropertyName &  visited )

virtual

Implements te::fe::Visitor.

Friends And Related Function Documentation

friend class Module

friend

Definition at line 149 of file QueryEncoder.h.

Member Data Documentation

te::da::Expression* te::map::QueryEncoder::m_expression

private

Expression used during conversion.

Definition at line 146 of file QueryEncoder.h.

std::map<std::string, std::string> te::map::QueryEncoder::sm_fnameMap

staticprivate

A map that associates Filter Operator names to Query Functions names.

Definition at line 147 of file QueryEncoder.h.

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

• C:/CC_master/terralib5/src/terralib/maptools/QueryEncoder.h