1 files changed, 63 insertions, 0 deletions

diff --git a/src/experimental/cachecalc.h b/src/experimental/cachecalc.h
new file mode 100644
index 0000000..89cfadc
--- /dev/null
+++ b/src/experimental/cachecalc.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2007-2011 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#ifndef BU_CACHE_CALC_H
+#define BU_CACHE_CALC_H
+
+#include "bu/trace.h"
+
+#include <time.h>
+
+namespace Bu
+{
+        template<class keytype, class obtype> class Cache;
+
+        template<class keytype, class obtype>
+        class CacheCalc
+        {
+        friend class Cache<keytype, obtype>;
+        private:
+                typedef Cache<keytype, obtype> MyCache;
+        public:
+                CacheCalc() :
+                        pCache( (MyCache *)0 )
+                {
+                        TRACE();
+                }
+
+                virtual ~CacheCalc()
+                {
+                        TRACE();
+                }
+
+                virtual void onLoad( obtype *pSrc, const keytype &key )=0;
+                virtual void onUnload( obtype *pSrc, const keytype &key )=0;
+                virtual void onDestroy( obtype *pSrc, const keytype &key )=0;
+                virtual void onDestroy( const keytype &key )=0;
+                virtual bool shouldSync( obtype *pSrc, const keytype &key,
+                        time_t tLastSync )=0;
+                virtual void onTick() { };
+
+        protected:
+                MyCache *getCache()
+                {
+                        TRACE();
+                        return pCache;
+                }
+
+        private:
+                void setCache( MyCache *pCache )
+                {
+                        TRACE();
+                        this->pCache = pCache;
+                }
+
+                MyCache *pCache;
+        };
+};
+
+#endif