application::helper::MemoryCache< K, T > Class Template Reference

Memory cache helper class with expiration time. More...

#include <memory_cache.h>

Public Member Functions
	MemoryCache (std::chrono::seconds lifetime)
	Constructor. More...
void	Add (K key, const T &item)
	Add an item to the cache. More...
bool	TryGet (K key, T &item)
	Try to get an item from the cache. More...

Detailed Description

template<typename K, typename T>
class application::helper::MemoryCache< K, T >

Memory cache helper class with expiration time.

Template Parameters

K	Cache key type
T	Cached value type

Note

The class is not thread-safe.

Constructor & Destructor Documentation

MemoryCache()

template<typename K , typename T >

application::helper::MemoryCache< K, T >::MemoryCache ( std::chrono::seconds  lifetime )

inlineexplicit

Constructor.

Parameters

lifetime

Cached item lifetime in seconds

Member Function Documentation

Add()

template<typename K , typename T >

void application::helper::MemoryCache< K, T >::Add ( K  key, const T &  item  )

inline

Add an item to the cache.

Parameters

key	Item cache key
item	Item to be cached

TryGet()

template<typename K , typename T >

bool application::helper::MemoryCache< K, T >::TryGet ( K  key, T &  item  )

inline

Try to get an item from the cache.

Parameters

[in]	key	Item cache key
[out]	item	Cached item

Returns

True if the item exists within the cache by the given key; otherwise false

Note

The 'item' argument will be untouched while returning 'false'.