1 files changed, 151 insertions, 0 deletions
diff --git a/src/usr/diag/prdf/util/prdfFlyWeight.C b/src/usr/diag/prdf/util/prdfFlyWeight.C
new file mode 100755
index 000000000..cb386c294
--- /dev/null
+++ b/src/usr/diag/prdf/util/prdfFlyWeight.C
@@ -0,0 +1,151 @@
+/* IBM_PROLOG_BEGIN_TAG                                                   */
+/* This is an automatically generated prolog.                             */
+/*                                                                        */
+/* $Source: src/usr/diag/prdf/util/prdfFlyWeight.C $                      */
+/*                                                                        */
+/* IBM CONFIDENTIAL                                                       */
+/*                                                                        */
+/* COPYRIGHT International Business Machines Corp. 2000,2012              */
+/*                                                                        */
+/* 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                                                     */
+
+// Module Description **************************************************
+//
+// Description:
+//
+// End Module Description **********************************************
+
+//----------------------------------------------------------------------
+//  Includes
+//----------------------------------------------------------------------
+#define prdfFlyWeight_C
+
+#include <prdfFlyWeight.H>
+#include <tracinterface.H>
+#include <iipglobl.h>
+#include <prdfHeapBucketSize.H>
+
+#undef prdfFlyWeight_C
+//----------------------------------------------------------------------
+//  User Types
+//----------------------------------------------------------------------
+
+//----------------------------------------------------------------------
+//  Constants
+//----------------------------------------------------------------------
+
+//----------------------------------------------------------------------
+//  Macros
+//----------------------------------------------------------------------
+
+//----------------------------------------------------------------------
+//  Internal Function Prototypes
+//----------------------------------------------------------------------
+
+//----------------------------------------------------------------------
+//  Global Variables
+//----------------------------------------------------------------------
+
+//---------------------------------------------------------------------
+// Member Function Specifications
+//---------------------------------------------------------------------
+template < class T , uint32_t S >
+FlyWeight<T,S>::~FlyWeight()
+{
+  clear();
+}
+
+//---------------------------------------------------------------------
+
+template < class T, uint32_t S >
+void FlyWeight<T,S>::clear()
+{
+  for(typename HeapType::const_iterator i = iv_heap.begin(); i != iv_heap.end(); ++i)
+  {
+    delete[] (T*)*i;
+  }
+  iv_heap.erase(iv_heap.begin(),iv_heap.end());
+  iv_nextOpen = NULL;
+}
+
+//---------------------------------------------------------------------
+
+template < class T , uint32_t S >
+T & FlyWeight<T,S>::get(const T & key)
+{
+  T * result = NULL;
+  T * current_array = NULL;
+
+  // search to see if we already have one
+  for(typename HeapType::const_iterator i = iv_heap.begin();
+      i != iv_heap.end() && (result == NULL); ++i)
+  {
+    current_array = (T*)*i;
+    for(T * p = current_array;
+        p != (current_array + RoundBucketSize<T,S>::value); ++p)
+    {
+      if (p == iv_nextOpen)
+        break;
+
+      if(*p == key)
+      {
+        result = p;
+        break;
+      }
+    }
+  }
+  if(result == NULL) // didn't find it - add it
+  {
+    if(iv_nextOpen == NULL) // need a new array
+    {
+      current_array = new T[RoundBucketSize<T,S>::value];
+      if(current_array == NULL)   // dg00a
+      {                           // dg00a
+        PRDF_TRAC("PRDF Could not get requested memory");  // dg00a
+      }                           // dg00a
+      // if the heap of array ptrs is full(or non-existant) then increase capacity by S dg00a
+      if(iv_heap.size() == iv_heap.capacity())     // dg00a
+      {                                            // dg00a
+        iv_heap.reserve(iv_heap.capacity() + RoundBucketSize<T,S>::value);   // dg00a
+      }                                            // dg01a
+      iv_heap.push_back(current_array);
+      iv_nextOpen = current_array;
+    }
+
+    *iv_nextOpen = key;
+    result = iv_nextOpen;
+    ++iv_nextOpen;
+    if((current_array != NULL) &&  // Done to fix BEAM error
+       (iv_nextOpen == (current_array + RoundBucketSize<T,S>::value))) // this array is full
+    {
+      iv_nextOpen = NULL;
+    }
+  }
+  return *result;
+}
+
+#if defined(ESW_SIM_COMPILE)
+#include <iostream>
+#include <iomanip>
+
+//FlyWeightBase::FlyWeightList FlyWeightBase::cv_fwlist; //mp01d
+
+template < class T , uint32_t S >
+void FlyWeight<T,S>::printStats(void)
+{
+  using namespace std;
+  cout << "FlyWeight Memory allowcated = " << (iv_heap.size() * sizeof(T) * RoundBucketSize<T,S>::value) << endl;
+}
+#endif