Library: Foundation
Package: Cache
Header: Poco/LRUStrategy.h
Description
An LRUStrategy implements least recently used cache replacement.
Inheritance
Direct Base Classes: AbstractStrategy < TKey, TValue >
All Base Classes: AbstractStrategy < TKey, TValue >
Member Summary
Member Functions: onAdd, onClear, onGet, onIsValid, onRemove, onReplace
Types Aliases
ConstIndexIterator
using ConstIndexIterator = typename KeyIndex::const_iterator;
ConstIterator
using ConstIterator = typename Keys::const_iterator;
IndexIterator
using IndexIterator = typename KeyIndex::iterator;
Iterator
using Iterator = typename Keys::iterator;
KeyIndex
using KeyIndex = std::map < TKey, Iterator >;
Keys
using Keys = std::list < TKey >;
Constructors
LRUStrategy 
LRUStrategy(
std::size_t size
);
Destructor
~LRUStrategy
~LRUStrategy() = default;
Member Functions
onAdd
void onAdd(
const void * param280,
const KeyValueArgs < TKey, TValue > & args
);
onClear
void onClear(
const void * param283,
const EventArgs & args
);
onGet
void onGet(
const void * param282,
const TKey & key
);
onIsValid
void onIsValid(
const void * param284,
ValidArgs < TKey > & args
);
onRemove
void onRemove(
const void * param281,
const TKey & key
);
onReplace
void onReplace(
const void * param285,
std::set < TKey > & elemsToRemove
);
Variables
_keyIndex 
KeyIndex _keyIndex;
For faster access to _keys
_keys
Keys _keys;
_size
std::size_t _size;
Number of keys the cache can store.