te::da::ST_IsEmpty Class Reference

Spatial is empty operator. More...

#include <ST_IsEmpty.h>

Inheritance diagram for te::da::ST_IsEmpty:

Public Types
typedef void	ReturnType
typedef QueryVisitor	VisitorType

Public Member Functions
virtual ReturnType	accept (VisitorType &guest) const =0
	It call the visit method from the guest object. More...
void	add (Expression *arg)
	It adds the argument to the function list of arguments. More...
Expression *	clone () const
	It creates a new copy of this expression. More...
Expression *	getArg (std::size_t i) const
	It returns the i-th function argument. More...
const std::string &	getName () const
	It returns the function name. More...
std::size_t	getNumArgs () const
	It returns the number of arguments informed to the function. More...
ST_IsEmpty &	operator= (const ST_IsEmpty &rhs)
Expression *	operator[] (std::size_t i) const
	It returns the i-th function argument. More...
TE_DEFINE_VISITABLE	ST_IsEmpty (const te::gm::Geometry &g)
	Constructor. More...
	ST_IsEmpty (const te::da::PropertyName &prop)
	Constructor. More...
	ST_IsEmpty (const te::gm::Geometry &g, const bool &p)
	Constructor. More...
	ST_IsEmpty (const te::da::PropertyName &prop, const bool &p)
	Constructor. More...
	ST_IsEmpty (const Expression &e)
	Constructor. More...
	ST_IsEmpty (const Expression &e, const bool &p)
	Constructor. More...
	~ST_IsEmpty ()
	Destructor. More...

Protected Attributes
std::vector< Expression * >	m_args
	The list of arguments. More...
std::string	m_name
	The function name. May be an operator symbol or just a regular name like ST_Intersects. More...

Detailed Description

Spatial is empty operator.

This function is just a syntatic-suggar.

See also

Function

Definition at line 50 of file ST_IsEmpty.h.

Member Typedef Documentation

typedef void te::common::BaseVisitable< QueryVisitor , void >::ReturnType

inherited

Definition at line 58 of file BaseVisitable.h.

typedef QueryVisitor te::common::BaseVisitable< QueryVisitor , void >::VisitorType

inherited

Definition at line 57 of file BaseVisitable.h.

Constructor & Destructor Documentation

TE_DEFINE_VISITABLE te::da::ST_IsEmpty::ST_IsEmpty

(

const te::gm::Geometry &

g

)

Constructor.

Parameters

g	The geometry literal.

te::da::ST_IsEmpty::ST_IsEmpty

(

const te::da::PropertyName &

prop

)

Constructor.

Parameters

prop	The geometry property name.

te::da::ST_IsEmpty::ST_IsEmpty	(	const te::gm::Geometry &	g,
		const bool &	p
	)

Constructor.

Parameters

g	The geometry literal.
p	Precision.

te::da::ST_IsEmpty::ST_IsEmpty	(	const te::da::PropertyName &	prop,
		const bool &	p
	)

Constructor.

Parameters

prop	The geometry property name.
p	Precision.

te::da::ST_IsEmpty::ST_IsEmpty

(

const Expression &

e

)

Constructor.

Parameters

e	The expression.
p	Precision.

te::da::ST_IsEmpty::ST_IsEmpty	(	const Expression &	e,
		const bool &	p
	)

Constructor.

Parameters

e	The expression.
p	Precision.

te::da::ST_IsEmpty::~ST_IsEmpty

(

)

Destructor.

Member Function Documentation

virtual ReturnType te::common::BaseVisitable< QueryVisitor , void >::accept ( VisitorType &  guest ) const

pure virtualinherited

It call the visit method from the guest object.

Parameters

guest

The guest or visitor.

Returns

Any valid value define by the template type R.

void te::da::Function::add ( Expression *  arg )

inherited

It adds the argument to the function list of arguments.

Parameters

arg	The argument to be added.

Note

The Function will take the ownership of the given argument.

Expression* te::da::ST_IsEmpty::clone ( ) const

virtual

It creates a new copy of this expression.

Reimplemented from te::da::Function.

Expression* te::da::Function::getArg ( std::size_t  i ) const

inherited

It returns the i-th function argument.

Parameters

i	The argument position.

Returns

The it-th function argument.

const std::string& te::da::Function::getName ( ) const

inlineinherited

It returns the function name.

Returns

The function name.

Definition at line 79 of file Function.h.

std::size_t te::da::Function::getNumArgs ( ) const

inherited

It returns the number of arguments informed to the function.

Returns

The number of parameters.

ST_IsEmpty& te::da::ST_IsEmpty::operator=

(

const ST_IsEmpty &

rhs

)

Assignment operator.

Expression* te::da::Function::operator[] ( std::size_t  i ) const

inherited

It returns the i-th function argument.

Parameters

i	The argument position.

Returns

The it-th function argument.

Member Data Documentation

std::vector<Expression*> te::da::Function::m_args

protectedinherited

The list of arguments.

Definition at line 118 of file Function.h.

std::string te::da::Function::m_name

protectedinherited

The function name. May be an operator symbol or just a regular name like ST_Intersects.

Definition at line 117 of file Function.h.

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

• /home/castejon/castejon_files/develop/terralib5/git_master/terralib5/src/terralib/dataaccess/query/ST_IsEmpty.h