A base class for binary functions. More...

#include <BinaryFunction.h>

Inheritance diagram for te::da::BinaryFunction:

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...

TE_DEFINE_VISITABLE	BinaryFunction (const std::string &name, Expression arg1, Expression arg2)
	Constructor. More...

	BinaryFunction (const std::string &name, const Expression &arg1, const Expression &arg2)
	Constructor. More...

	BinaryFunction (const BinaryFunction &rhs)
	Copy constructor. 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...

Expression *	getFirst () const
	It returns the first 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...

Expression *	getSecond () const
	It returns the second function argument. More...

BinaryFunction &	operator= (const BinaryFunction &rhs)

Expression *	operator[] (std::size_t i) const
	It returns the i-th function argument. More...

void	setFirst (Expression *arg)
	It sets the first function argument. More...

void	setSecond (Expression *arg)
	It sets the second function argument. More...

virtual	~BinaryFunction ()
	Virtual 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

A base class for binary functions.

See also: Function, BinaryOp

Definition at line 43 of file BinaryFunction.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::BinaryFunction::BinaryFunction	(	const std::string &	name,
		Expression *	arg1,
		Expression *	arg2
	)

Constructor.

Parameters

name	The function name.
arg1	The first argument.
arg2	The second argument.

Note: The BinaryFunction will take the ownership of the given arguments.

te::da::BinaryFunction::BinaryFunction	(	const std::string &	name,
		const Expression &	arg1,
		const Expression &	arg2
	)

Constructor.

Parameters

name	The function name.
arg1	The first argument.
arg2	The second argument.

te::da::BinaryFunction::BinaryFunction ( const BinaryFunction & rhs )

Copy constructor.

virtual te::da::BinaryFunction::~BinaryFunction ( )

virtual

Virtual 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::BinaryFunction::clone ( ) const

virtual

It creates a new copy of this expression.

Implements te::da::Expression.

Reimplemented in te::da::LessThanOrEqualTo, te::da::ST_Contains, te::da::BinaryOp, te::da::Coalesce, te::da::Div, te::da::EqualTo, te::da::GreaterThan, te::da::GreaterThanOrEqualTo, te::da::LessThan, te::da::Mul, te::da::NotEqualTo, te::da::Or, te::da::ST_Crosses, te::da::ST_Difference, te::da::ST_Disjoint, te::da::ST_EnvelopeIntersects, te::da::ST_Equals, te::da::ST_Intersection, te::da::ST_Intersects, te::da::ST_Overlaps, te::da::ST_SetSRID, te::da::ST_Touches, te::da::ST_Within, te::da::Sub, and te::da::Cast.

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.

Expression* te::da::BinaryFunction::getFirst ( ) const

It returns the first function argument.

Returns: The first 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.

Expression* te::da::BinaryFunction::getSecond ( ) const

It returns the second function argument.

Returns: The second function argument.

BinaryFunction& te::da::BinaryFunction::operator= ( const BinaryFunction & 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.

void te::da::BinaryFunction::setFirst ( Expression * arg )

It sets the first function argument.

Parameters

arg	The first function argument.

Note: The BinaryFunction will take the ownership of the given argument.

void te::da::BinaryFunction::setSecond ( Expression * arg )

It sets the second function argument.

Parameters

arg	The second function argument.

Note: The BinaryFunction will take the ownership of the given 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.

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

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

Public Types

Public Member Functions

Protected Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation