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Added UniqueAccess caches

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This commit is contained in:
Peter Schojer
2007-10-29 14:36:40 +00:00
parent 9381a34928
commit 4d71a6e1d5
6 changed files with 357 additions and 68 deletions
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7
Foundation/include/Poco/UniqueExpireLRUCache.h
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@@ -1,7 +1,7 @@
//
// UniqueExpireLRUCache.h
//
// $Id: //poco/Main/Foundation/include/Poco/UniqueExpireLRUCache.h#2 $
// $Id: //poco/Main/Foundation/include/Poco/UniqueExpireLRUCache.h#3 $
//
// Library: Foundation
// Package: Cache
@@ -55,13 +55,16 @@ template <
>
class UniqueExpireLRUCache: public AbstractCache<TKey, TValue, StrategyCollection<TKey, TValue> >
/// A UniqueExpireLRUCache combines LRU caching and time based per entry expire caching.
/// Once can define for each cache entry a seperate timepoint
/// One can define for each cache entry a seperate timepoint
/// but also limit the size of the cache (per default: 1024).
/// Each TValue object must thus offer the following method:
///
/// const Poco::Timestamp& getExpiration() const;
///
/// which returns the absolute timepoint when the entry will be invalidated.
/// Accessing an object will NOT update this absolute expire timepoint.
/// You can use the Poco::ExpirationDecorator to add the getExpiration
/// method to values that do not have a getExpiration function.
{
public:
UniqueExpireLRUCache(long cacheSize = 1024):