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added update message to caching

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This commit is contained in:
Peter Schojer
2008-11-27 08:36:36 +00:00
parent 645bd01ec9
commit 41b157725b
2 changed files with 75 additions and 4 deletions
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11
Foundation/include/Poco/AbstractStrategy.h
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@@ -1,7 +1,7 @@
//
// AbstractStrategy.h
//
// $Id: //poco/svn/Foundation/include/Poco/AbstractStrategy.h#2 $
// $Id: //poco/Main/Foundation/include/Poco/AbstractStrategy.h#4 $
//
// Library: Foundation
// Package: Cache
@@ -60,10 +60,17 @@ public:
virtual ~AbstractStrategy()
{
}
virtual void onUpdate(const void* pSender, const KeyValueArgs <TKey, TValue>& args)
/// Updates an existing entry.
{
onRemove(pSender,args.key());
onAdd(pSender, args);
}
virtual void onAdd(const void* pSender, const KeyValueArgs <TKey, TValue>& key) = 0;
/// Adds the key to the strategy.
/// If for the key already an entry exists, an excpetion will be thrown.
/// If for the key already an entry exists, an exception will be thrown.
virtual void onRemove(const void* pSender, const TKey& key) = 0;
/// Removes an entry from the strategy. If the entry is not found