textIR: src/ReadQueueAccessFile.h Source File

00001 /*  -*- C++ -*-
00002 
00003     textIR - A fast text document retrieval engine
00004 
00005     Copyright (C) 2005-2009 Laurence Park
00006 
00007     This program is free software: you can redistribute it and/or modify
00008     it under the terms of the GNU General Public License as published by
00009     the Free Software Foundation, either version 3 of the License, or
00010     (at your option) any later version.
00011 
00012     This program is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015     GNU General Public License for more details.
00016 
00017     You should have received a copy of the GNU General Public License
00018     along with this program.  If not, see <http://www.gnu.org/licenses/>.
00019 
00020     File information:
00021     $Header: /home/staff/lapark/cvsroot/web_search/textIR/src/ReadQueueAccessFile.h,v 1.2 2009/10/08 06:41:30 lapark Exp $
00022 */
00023 
00024 #ifndef READQUEUEACCESSFILE_H
00025 #define READQUEUEACCESSFILE_H
00026 
00027 #include <fstream>
00028 #include "FileIO.h"
00029 #include "FileBlockQueue.h"
00030 #include "QueueAccessFile.h"
00031 
00054 class ReadQueueAccessFile : public QueueAccessFile {
00055 public:
00056 
00058   ReadQueueAccessFile(char *filename);
00059 
00061   ReadQueueAccessFile(char *filename,
00062                       FileBlockQueue *sQueue,
00063                       FileBlockQueue *uQueue);
00064 
00066   ReadQueueAccessFile(char *filename,
00067                       FileBlockQueue *uQueue);
00068 
00070   void nextFileBlock(char *buffer, int blockSize);
00071 };
00072 
00073 #endif