#include <item.h>

Inheritance diagram for Cached_item_temporal:

Public Member Functions
	Cached_item_temporal (Item *item_par)

bool	cmp () override
	Compare the value associated with the item with the stored value. More...

Public Member Functions inherited from Cached_item
virtual	~Cached_item ()=default

Item *	get_item () const

Item **	get_item_ptr ()

Additional Inherited Members
Public Attributes inherited from Cached_item
bool	null_value {true}

Protected Member Functions inherited from Cached_item
	Cached_item (Item *i)

Protected Attributes inherited from Cached_item
Item *	item
	The item whose value to cache. More...

Constructor & Destructor Documentation

◆ Cached_item_temporal()

Cached_item_temporal::Cached_item_temporal ( Item * item_par )

inlineexplicit

bool Cached_item_temporal::cmp ( )

overridevirtual

Compare the value associated with the item with the stored value.

If they are different, update the stored value with item's value and return true.

Returns: true if item's value and stored value are different. Notice that first call is to establish an initial value and return value should be ignored.

Implements Cached_item.

longlong Cached_item_temporal::value {0}

private

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