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OSGeo::FDO::Expression::Parameter Class Reference

Inherits OSGeo::FDO::Expression::ValueExpression.

Inheritance diagram for OSGeo::FDO::Expression::Parameter:

[legend]
List of all members.

Detailed Description

The Parameter class derives from ValueExpression and represents a substitution parameter in the expression. Parameters are represented by a name: when expressions are evaluated, the caller must supply a value to be bound to each parameter name.

Remarks:
For information on how to set the value of a parameter, see the ICommand interface and ParameterValue.


Public Member Functions

__property System::String * get_Name ()
 Gets the name of the parameter.
 Parameter (System::IntPtr unmanaged, System::Boolean autoDelete)
 Constructs a Parameter object based on an unmanaged instance of the object.
 Parameter (System::String *name)
 Constructs an instance of a parameter using the specified arguments.
 Parameter ()
 Constructs a default instance of a parameter.
System::Void Process (OSGeo::FDO::Expression::IExpressionProcessor *processor)
 Overrides Expression.Process to pass the Parameter to the appropriate expression processor operation.
__property System::Void set_Name (System::String *value)
 Sets the name of the parameter.
System::String * ToString ()
 Returns the well defined text representation of this expression.

Constructor & Destructor Documentation

OSGeo::FDO::Expression::Parameter::Parameter  ) 
 

Constructs a default instance of a parameter.

Returns:
Returns Parameter

OSGeo::FDO::Expression::Parameter::Parameter System::String *  name  ) 
 

Constructs an instance of a parameter using the specified arguments.

Parameters:
name Input parameter name
Returns:
Returns Parameter

OSGeo::FDO::Expression::Parameter::Parameter System::IntPtr  unmanaged,
System::Boolean  autoDelete
 

Constructs a Parameter object based on an unmanaged instance of the object.

Parameters:
unmanaged Input A Pointer to the unmanaged object.
autoDelete Input Indicates if the constructed object should be automatically deleted once it no longer referenced.

Member Function Documentation

__property System::String* OSGeo::FDO::Expression::Parameter::get_Name  ) 
 

Gets the name of the parameter.

Returns:
Returns the parameter name

System::Void OSGeo::FDO::Expression::Parameter::Process OSGeo::FDO::Expression::IExpressionProcessor processor  ) 
 

Overrides Expression.Process to pass the Parameter to the appropriate expression processor operation.

Parameters:
processor Input an IExpressionProcessor
Returns:
Returns nothing

Reimplemented from OSGeo::FDO::Expression::Expression.

__property System::Void OSGeo::FDO::Expression::Parameter::set_Name System::String *  value  ) 
 

Sets the name of the parameter.

Parameters:
value Input parameter name
Returns:
Returns nothing

System::String* OSGeo::FDO::Expression::Parameter::ToString  ) 
 

Returns the well defined text representation of this expression.

Returns:
Returns the well defined text string

Reimplemented from OSGeo::FDO::Expression::Expression.


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