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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/common/util/prdfFlyWeightS.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2007,2014 */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __PRDF_PRDFFLYWEIGHTS_H
#define __PRDF_PRDFFLYWEIGHTS_H
#include <stdint.h>
#include <vector>
#include <prdfGlobal.H>
namespace PRDF
{
template<class T, uint32_t S>
class FlyWeightS
{
public:
FlyWeightS() : iv_rowSize(2), iv_colSize(S), iv_nextPos(NULL),
iv_size(0)
{ iv_rows.reserve(iv_rowSize); iv_heaps.reserve(iv_rowSize); };
~FlyWeightS() { this->clear(); };
void clear();
T & get(const T & key);
//void print();
#ifdef FLYWEIGHT_PROFILING
/**
* @brief prints the memory occupied by objects in flyweight.
*/
void printStats();
#endif
private:
typedef std::vector<void *> NeutralV;
typedef std::vector<void *> RowType;
typedef T* ColType;
typedef T* HeapType;
typedef struct { NeutralV::iterator row; NeutralV::iterator col;}
HintType;
size_t iv_rowSize;
size_t iv_colSize;
NeutralV iv_rows;
NeutralV iv_heaps;
HeapType iv_nextPos;
size_t iv_size;
private:
T * find(const T & key, HintType & o_hint);
T * insert(const T & key, HintType & i_hint);
T * getHeap();
void insertRow(NeutralV::iterator & io_pos, HeapType p);
void increaseSize();
};
} //End namespace PRDF
#endif
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