IT_Reflect::NillablePtrImplT< NillableT, T > Class Template Reference

#include <it_bus/reflect/nillable_ptr_impl_t.h>

Inheritance diagram for IT_Reflect::NillablePtrImplT< NillableT, T >:

List of all members.

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Detailed Description

template<class NillableT, class T>
class IT_Reflect::NillablePtrImplT< NillableT, T >

Template base class for nillable type implementations.

Definition at line 17 of file nillable_ptr_impl_t.h.

Public Member Functions
	NillablePtrImplT (const NillableT *data) throw (())
	Constructor.
virtual	~NillablePtrImplT () throw (())
	Destructor.
virtual IT_Bus::Boolean	get_is_nil () const throw (())
	Determine if the instance is nill.
virtual void	set_is_nil () throw (())
	Set the instance to be nil.
virtual const Reflection *	get_value () const throw ((ReflectException))
	Get a read-only reflection of the value.
virtual Reflection *	use_value () throw ((ReflectException))
	Get a reflection that can be used to modify the value.
virtual IT_Bus::AnyType *	clone () const throw (())
	Obtain a clone of the instance.
void	reset (T *value)
	Reset.
Protected Member Functions
IT_Bus::AnyType &	get_data () const throw (())
	Obtain the value.
Private Attributes
NillableT *	m_data

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Constructor & Destructor Documentation

template<class NillableT, class T>

IT_Reflect::NillablePtrImplT< NillableT, T >::NillablePtrImplT

(

const NillableT *

data

)

throw (())

Constructor.

Parameters:

pointer

to nillable class.

Definition at line 93 of file nillable_ptr_impl_t.h.

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Member Function Documentation

template<class NillableT, class T>

IT_Bus::Boolean IT_Reflect::NillablePtrImplT< NillableT, T >::get_is_nil

(

)

const throw (()) [virtual]

Determine if the instance is nill.

Returns:

Boolean

Definition at line 111 of file nillable_ptr_impl_t.h.

References IT_Reflect::NillablePtrImplT< NillableT, T >::m_data.

Referenced by IT_Reflect::NillablePtrImplT< NillableT, T >::get_value(), and IT_Reflect::NillablePtrImplT< NillableT, T >::use_value().

template<class NillableT, class T>

void IT_Reflect::NillablePtrImplT< NillableT, T >::set_is_nil

(

)

throw (()) [virtual]

Set the instance to be nil.

Returns:

void

Definition at line 119 of file nillable_ptr_impl_t.h.

References IT_Reflect::NillablePtrImplT< NillableT, T >::m_data.

template<class NillableT, class T>

const Reflection * IT_Reflect::NillablePtrImplT< NillableT, T >::get_value

(

)

const throw ((ReflectException)) [virtual]

Get a read-only reflection of the value.

Returns:

Reflection of value or 0 if nil.

Definition at line 127 of file nillable_ptr_impl_t.h.

References IT_Reflect::NillablePtrImplT< NillableT, T >::get_is_nil().

template<class NillableT, class T>

Reflection * IT_Reflect::NillablePtrImplT< NillableT, T >::use_value

(

)

throw ((ReflectException)) [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().

Definition at line 136 of file nillable_ptr_impl_t.h.

References IT_Reflect::NillablePtrImplT< NillableT, T >::get_is_nil(), and IT_Reflect::NillablePtrImplT< NillableT, T >::m_data.

template<class NillableT, class T>

IT_Bus::AnyType * IT_Reflect::NillablePtrImplT< NillableT, T >::clone

(

)

const throw (()) [virtual]

Obtain a clone of the instance.

Returns:

pointer to an AnyType. Caller must delete return value.

Implements IT_Reflect::Reflection.

Definition at line 148 of file nillable_ptr_impl_t.h.

References IT_Reflect::NillablePtrImplT< NillableT, T >::m_data.

template<class NillableT, class T>

void IT_Reflect::NillablePtrImplT< NillableT, T >::reset

(

T *

value

)

Reset.

Parameters:

pointer

to value

Definition at line 155 of file nillable_ptr_impl_t.h.

References IT_Reflect::NillablePtrImplT< NillableT, T >::m_data.

template<class NillableT, class T>

IT_Bus::AnyType & IT_Reflect::NillablePtrImplT< NillableT, T >::get_data

(

)

const throw (()) [protected, virtual]

Obtain the value.

Returns:

pointer to an AnyType. Caller must delete return value.

Implements IT_Reflect::ReflectionImpl.

Definition at line 164 of file nillable_ptr_impl_t.h.

References IT_Reflect::NillablePtrImplT< NillableT, T >::m_data.

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