IT_Reflect::Nillable Class Reference

#include <it_bus/reflect/nillable.h>

Inheritance diagram for IT_Reflect::Nillable:

List of all members.

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Detailed Description

Reflection of a Nillable type.

Definition at line 13 of file nillable.h.

Public Member Functions
	Nillable () IT_THROW_DECL(())
	Constructor.
virtual	~Nillable () IT_THROW_DECL(())
	Destructor.
virtual IT_Bus::Boolean	get_is_nil () const IT_THROW_DECL((ReflectException))=0
	Determine if the instance is nill.
virtual void	set_is_nil () IT_THROW_DECL((ReflectException))=0
	Set the instance to be nil.
virtual const Reflection *	get_value () const IT_THROW_DECL((ReflectException))=0
	Get a read-only reflection of the value.
virtual Reflection *	use_value () IT_THROW_DECL((ReflectException))=0
	Get a reflection that can be used to modify the value.

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Member Function Documentation

virtual IT_Bus::Boolean IT_Reflect::Nillable::get_is_nil

(

)

const [pure virtual]

Determine if the instance is nill.

Returns:

Boolean

Exceptions:

ReflectException

Implemented in IT_Reflect::NillableRawPtrImplT< T >, and IT_Reflect::NillableValueImplT< NillableT, T >.

virtual const Reflection* IT_Reflect::Nillable::get_value

(

)

const [pure virtual]

Get a read-only reflection of the value.

Returns:

Reflection of value or 0 if nil.

Exceptions:

ReflectException

Implemented in IT_Reflect::NillableRawPtrImplT< T >, and IT_Reflect::NillableValueImplT< NillableT, T >.

virtual void IT_Reflect::Nillable::set_is_nil

(

)

[pure virtual]

Set the instance to be nil.

Returns:

void

Exceptions:

ReflectException

Implemented in IT_Reflect::NillableRawPtrImplT< T >, and IT_Reflect::NillableValueImplT< NillableT, T >.

virtual Reflection* IT_Reflect::Nillable::use_value

(

)

[pure virtual]

Get a reflection that can be used to modify the value.

This makes get_is_nil() false.

Returns:

Modifiable reflection of value. Caller must _remove_ref().

Exceptions:

ReflectException

Implemented in IT_Reflect::NillableRawPtrImplT< T >, and IT_Reflect::NillableValueImplT< NillableT, T >.

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