te::fe::PropertyIsNull Class Reference

The PropertyIsNull class encodes an operator that checks to see if the value of its content is NULL. More...

#include <PropertyIsNull.h>

Inheritance diagram for te::fe::PropertyIsNull:

Public Types
typedef void	ReturnType
typedef Visitor	VisitorType

Public Member Functions
virtual ReturnType	accept (VisitorType &guest) const=0
	It call the visit method from the guest object.
Initializer Methods
Methods related to instantiation and destruction.
	PropertyIsNull ()
	It initializes a new PropertyIsNull.
	~PropertyIsNull ()
	Destructor.
Accessor methods
Methods used to get or set properties.
const char *	getName () const
	It returns the operator name.
void	setName (const char *opName)
	It sets the operator name.

Protected Attributes
Not Allowed Methods
No copy allowed.
const char *	m_name
	Operator name.

Accessor methods
Methods used to get or set properties.
PropertyName *	m_property
	Mandatory.
void	setPropertyName (PropertyName *p)
	It sets the property name.
PropertyName *	getPropertyName () const
	It returns the property name.
ComparisonOp *	clone () const
	It creates a new copy of this object.

Detailed Description

The PropertyIsNull class encodes an operator that checks to see if the value of its content is NULL.

A NULL is equivalent to no value present. The value 0 is a valid value and is not considered NULL.

See also

ComparisonOp, PropertyName

Definition at line 51 of file PropertyIsNull.h.

Member Typedef Documentation

ReturnType

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

inherited

Definition at line 58 of file BaseVisitable.h.

VisitorType

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

inherited

Definition at line 57 of file BaseVisitable.h.

Constructor & Destructor Documentation

PropertyIsNull()

te::fe::PropertyIsNull::PropertyIsNull

(

)

It initializes a new PropertyIsNull.

~PropertyIsNull()

te::fe::PropertyIsNull::~PropertyIsNull

(

)

Destructor.

Member Function Documentation

accept()

virtual ReturnType te::common::BaseVisitable< Visitor , 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.

clone()

ComparisonOp * te::fe::PropertyIsNull::clone ( ) const

virtual

It creates a new copy of this object.

Reimplemented from te::fe::ComparisonOp.

getName()

const char * te::fe::AbstractOp::getName ( ) const

inlineinherited

It returns the operator name.

Returns

The operator name.

Definition at line 82 of file AbstractOp.h.

getPropertyName()

PropertyName * te::fe::PropertyIsNull::getPropertyName

(

)

const

It returns the property name.

Returns

The property name.

setName()

void te::fe::AbstractOp::setName ( const char *  opName )

inlineinherited

It sets the operator name.

Parameters

opName

The operator name.

Definition at line 89 of file AbstractOp.h.

setPropertyName()

void te::fe::PropertyIsNull::setPropertyName

(

PropertyName *

p

)

It sets the property name.

Parameters

p	The property name.

Note

It will take the ownership of the property name.

Member Data Documentation

m_name

const char* te::fe::AbstractOp::m_name

protectedinherited

Operator name.

Definition at line 123 of file AbstractOp.h.

m_property

PropertyName* te::fe::PropertyIsNull::m_property

private

Mandatory.

Definition at line 99 of file PropertyIsNull.h.

---

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

• /home/castejon/castejon_files/develop/terralib5/git_release/src/terralib/fe/PropertyIsNull.h