#pragma?once

#include?“BufferManager.h“
#include?“DSManager.h“
#include?
#include?
#include?
#include?
using?namespace?std;

DSManager?ds;
BufferManager?bm;
//?LRU列指針//?
LRUEle?*?lru;
LRUEle?*?mru;



BufferManager::BufferManager（）
{
	int?i?=?0;
	for（i?=?0;?i?	{
		ptof[i]?=?NULL;//?初始化BCB數(shù)組
		ftop[i]?=?-1;
	}
	ds.OpenFile（“data.dbf“）;
}


/**************************************************************************
*?將對應(yīng)page_id的page讀入到buffer中。如果buffer已滿，則需要選擇換出的frame
***************************************************************************/
int?BufferManager::FixPage（int?page_id）
{
	//bframe?ReadPage（int?page_id）;
	//int?Hash（int?page_id）;
	int?fid?=?-1;
	int?frame_id=Hash（page_id）;
	//int?offs=0;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????8759??2011-11-02?00:40??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\BufferManager.cpp

?????文件???????4496??2011-11-01?23:22??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\BufferManager.h

?????文件????3690270??2011-09-26?20:12??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\data-5w-50w-zipf.txt

?????文件???????2155??2011-11-02?00:37??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\Debug\StorageBufferManager.Build.CppClean.log

?????文件????????466??2011-11-02?00:37??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\Debug\StorageBufferManager.log

?????文件???????4249??2011-11-02?00:10??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\DSManager.cpp

?????文件????????624??2011-10-30?18:42??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\DSManager.h

?????文件???????4822??2011-11-02?00:00??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\Operate.cpp

?????文件????????640??2011-11-01?23:19??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\Operate.h

?????文件???????4281??2011-11-01?23:17??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\StorageBufferManager.vcxproj

?????文件???????1591??2011-10-23?00:25??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\StorageBufferManager.vcxproj.filters

?????文件????????143??2011-10-16?21:03??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\StorageBufferManager.vcxproj.user

?????文件????6311936??2011-11-02?00:37??StorageBufferManager?C++實現(xiàn)\StorageBufferManager.sdf

?????文件????????927??2011-10-16?21:03??StorageBufferManager?C++實現(xiàn)\StorageBufferManager.sln

????..A..H.?????37888??2011-11-02?00:37??StorageBufferManager?C++實現(xiàn)\StorageBufferManager.suo

?????目錄??????????0??2012-04-29?11:34??StorageBufferManager?C++實現(xiàn)\StorageBufferManager\Debug

?????目錄??????????0??2011-11-02?00:37??StorageBufferManager?C++實現(xiàn)\Debug

?????目錄??????????0??2011-11-02?00:37??StorageBufferManager?C++實現(xiàn)\ipch

?????目錄??????????0??2012-04-29?11:34??StorageBufferManager?C++實現(xiàn)\StorageBufferManager

?????目錄??????????0??2012-04-29?11:34??StorageBufferManager?C++實現(xiàn)

-----------?---------??----------?-----??----

?????????????10073247????????????????????20