1 files changed, 103 insertions, 0 deletions
diff --git a/ACE/apps/JAWS2/JAWS/Cache_Heap_T.h b/ACE/apps/JAWS2/JAWS/Cache_Heap_T.h
new file mode 100644
index 00000000000..16fbe890fe6
--- /dev/null
+++ b/ACE/apps/JAWS2/JAWS/Cache_Heap_T.h
@@ -0,0 +1,103 @@
+/* -*- c++ -*- */
+// $Id$
+
+#ifndef JAWS_CACHE_HEAP_T_H
+#define JAWS_CACHE_HEAP_T_H
+
+#include "ace/Malloc.h"
+#include "JAWS/Cache_Object.h"
+
+// Forward declarations
+template <class EXT_ID, class FACTORY, class HASH_FUNC, class EQ_FUNC>
+class JAWS_Cache_Manager;
+
+template <class EXT_ID, class FACTORY, class HASH_FUNC, class EQ_FUNC>
+class JAWS_Cache_Heap_Item;
+
+
+template <class EXT_ID, class FACT, class H_FN, class E_FN>
+class JAWS_Cache_Heap
+// Roll my own heap here.  Eventually, a heap should be its own
+// standalone data structure.
+{
+public:
+
+  typedef JAWS_Cache_Manager<EXT_ID, FACT, H_FN, E_FN> Cache_Manager;
+  typedef JAWS_Cache_Heap_Item<EXT_ID, FACT, H_FN, E_FN> Cache_Heap_Item;
+
+  JAWS_Cache_Heap (ACE_Allocator *alloc = 0, size_t maxsize = 8192);
+  // maxsize is the total number of objects the in memory cache is
+  // willing to manage
+
+  ~JAWS_Cache_Heap (void);
+
+  int is_empty (void) const;
+  int is_full (void) const;
+
+  size_t size (void) const;
+  size_t maxsize (void) const;
+
+  int maxsize (Cache_Manager *cm, size_t new_maxsize);
+  // attempt to grow (or shrink) the heap.  Return 0 on success, -1 on
+  // error.
+
+  int insert (const EXT_ID &ext_id, JAWS_Cache_Object *const &int_id);
+  // attempt to insert int_id into heap.
+
+  int remove (EXT_ID &ext_id, JAWS_Cache_Object *&int_id);
+  // attempt to remove the top element of heap.
+
+  int remove (void *item);
+  // treat item as a Cache_Heap_Item, and remove it from the heap
+
+  int adjust (void *item);
+  // treat item as a Cache_Heap_Item, and alter its heap position
+
+protected:
+
+  void insert_i (Cache_Heap_Item *item);
+  // insert item into heap.
+
+  void remove_i (size_t pos);
+  // remove the element residing at pos, but do not delete it.
+
+  void remove_i (void);
+  // remove the element residing at the top of heap, but do not delete it.
+
+private:
+
+  ACE_Allocator *allocator_;
+
+  size_t maxsize_;
+  size_t size_;
+
+  Cache_Heap_Item **heap_;
+
+};
+
+
+template <class EXT_ID, class FACT, class H_FN, class E_FN>
+class JAWS_Cache_Heap_Item
+{
+
+  friend class JAWS_Cache_Heap<EXT_ID, FACT, H_FN, E_FN>;
+
+public:
+
+  JAWS_Cache_Heap_Item (const EXT_ID &ext_id, JAWS_Cache_Object *const &int_id);
+  unsigned int priority (void);
+
+private:
+
+  EXT_ID ext_id_;
+  JAWS_Cache_Object *int_id_;
+
+  size_t heap_idx_;
+
+};
+
+#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
+#include "JAWS/Cache_Heap_T.cpp"
+#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
+
+#endif /* JAWS_CACHE_HEAP_T_H */