1 files changed, 138 insertions, 0 deletions
diff --git a/src/usr/diag/prdf/util/prdfFlyWeight.H b/src/usr/diag/prdf/util/prdfFlyWeight.H
new file mode 100755
index 000000000..0554e66ac
--- /dev/null
+++ b/src/usr/diag/prdf/util/prdfFlyWeight.H
@@ -0,0 +1,138 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/diag/prdf/util/prdfFlyWeight.H $                      */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2002,2012              */
+/*                                                                        */
+/* p1                                                                     */
+/*                                                                        */
+/* Object Code Only (OCO) source materials                                */
+/* Licensed Internal Code Source Materials                                */
+/* IBM HostBoot Licensed Internal Code                                    */
+/*                                                                        */
+/* The source code for this program is not published or otherwise         */
+/* divested of its trade secrets, irrespective of what has been           */
+/* deposited with the U.S. Copyright Office.                              */
+/*                                                                        */
+/* Origin: 30                                                             */
+/*                                                                        */
+/* IBM_PROLOG_END_TAG                                                     */
+
+#ifndef PRDFFLYWEIGHT_H
+#define PRDFFLYWEIGHT_H
+/**
+   @file prdfFlyWeight.H
+   @brief Description
+*/
+
+
+//--------------------------------------------------------------------
+// Includes
+//--------------------------------------------------------------------
+
+#include <stdint.h>
+#include <vector>
+
+//--------------------------------------------------------------------
+//  Forward References
+//--------------------------------------------------------------------
+//
+//
+
+#if defined(ESW_SIM_COMPILE)
+class FlyWeightBase
+{
+  public:
+    FlyWeightBase() { cv_fwlist.push_back(this); }
+    virtual ~FlyWeightBase() {}
+    virtual void printStats(void) = 0;
+
+    static void report(void)
+    {
+      for(FlyWeightList::iterator i = cv_fwlist.begin(); i != cv_fwlist.end(); ++i)
+      {
+        (*i)->printStats();
+      }
+    }
+
+    typedef std::vector<FlyWeightBase *> FlyWeightList;
+    static FlyWeightList cv_fwlist;
+};
+#endif
+
+/**
+    **One line Class description**
+    @author Doug Gilbert
+    @par T is the type of object to flyweight, S is the size (# of T's) in an allocation
+         unit (minimum number of T's to reserve space for when more storage is needed)
+    @code
+    @endcode
+*/
+template <class T, uint32_t S>
+class FlyWeight
+#if defined(ESW_SIM_COMPILE)
+ : public FlyWeightBase
+#endif
+{
+public:
+  /**
+    Constructor
+    @param
+    @returns
+    @pre
+    @post
+    @see
+    @note
+  */
+  FlyWeight() : iv_nextOpen(NULL)  {}
+
+  /**
+    Destructor
+  */
+  ~FlyWeight();
+
+  /**
+   clear all entries
+   @param - none
+   @pre none
+   @post all instances of T are deleted.
+   @note any ponters or references to any of the instances should be reset
+   */
+  void clear();
+
+  /**
+   Get the flyweight version of T - add it if it does not yet exist
+   @param key to search for
+   @returns Reference to T in the flyweight
+   @pre none
+   @post FlyWeight contains one instance of key
+   */
+  T & get(const T & key);
+
+#if defined(ESW_SIM_COMPILE)
+  virtual void printStats(void);
+#endif
+
+private:  // functions
+private:  // Data
+
+  typedef std::vector< void* > HeapType;
+
+  HeapType iv_heap;  // vector of arrays of T
+  T * iv_nextOpen;
+};
+
+
+#endif /* PRDFFLYWEIGHT_H */
+
+// Change Log *****************************************************************
+//
+//  Flag Reason    Vers    Date     Coder    Description
+//  ---- --------- ------- -------- -------- ------------------------------------
+//                                  dgilbert Initial Creation
+//                 fips222 09/14/04 dgilbert  Add clear()
+//
+// End Change Log *************************************************************