DBManager.hpp Source File

00001 /*==========================================================================
00002  * Copyright (c) 2001 Carnegie Mellon University.  All Rights Reserved.
00003  *
00004  * Use of the Lemur Toolkit for Language Modeling and Information Retrieval
00005  * is subject to the terms of the software license set forth in the LICENSE
00006  * file included with this software, and also available at
00007  * http://www.cs.cmu.edu/~lemur/license.html
00008  *
00009  *==========================================================================
00010  */
00011 
00012 #ifndef _DBMANAGER_HPP
00013 #define _DBMANAGER_HPP
00014 
00015 #include "MemParser.hpp"
00016 
00021 typedef struct results {
00022   int numDocs;
00023   docid_t * ids;
00024 } results_t;
00025 
00026 
00027 
00033 class DBManager {
00034 
00035 public:
00036 
00037   virtual void open (char * info) = 0;
00038   virtual void close() = 0;
00039 
00041   virtual results_t * query (char * query, int numdocs) = 0;
00043   virtual MemParser * getParser() = 0;
00045   virtual doc_t * getDoc(docid_t docid) = 0;
00047   virtual void output(docid_t docid) = 0;
00049   virtual void setOutputFile(char * filename) = 0;
00050 
00051 };
00052 
00053 #endif