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.lemurproject.org/license.html 00008 * 00009 *========================================================================== 00010 */ 00011 00012 00013 #ifndef _DOCUMENT_HPP 00014 #define _DOCUMENT_HPP 00015 00016 #include "Term.hpp" 00017 #include "DocumentProps.hpp" 00018 00020 00027 class Document { 00028 public: 00029 virtual ~Document() {}; 00030 00032 virtual const char *getID() const =0; 00033 00034 00036 virtual void startTermIteration() const=0; 00037 00039 virtual bool hasMore() const= 0; 00040 00042 virtual const Term *nextTerm() const=0; 00043 00045 virtual void skipToEnd() const=0; 00046 00048 virtual DocumentProps *property() { 00049 return (props); 00050 } 00051 private: 00052 DocumentProps *props; 00053 }; 00054 00055 #endif 00056 00057 00058 00059 00060