00001 /*========================================================================== 00002 * Copyright (c) 2003-2004 University of Massachusetts. 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 // 00014 // DocumentIterator 00015 // 00016 // 11 May 2004 -- tds 00017 // 00018 00019 #ifndef INDRI_DOCUMENTITERATOR_HPP 00020 #define INDRI_DOCUMENTITERATOR_HPP 00021 00022 #include "indri/ObjectHandler.hpp" 00023 #include "indri/UnparsedDocument.hpp" 00024 #include <string> 00025 00026 class DocumentIterator { 00027 public: 00028 virtual ~DocumentIterator() {}; 00029 00030 virtual UnparsedDocument* nextDocument() = 0; 00031 00032 virtual void open( const std::string& filename ) = 0; 00033 virtual void close() = 0; 00034 }; 00035 00036 #endif // INDRI_DOCUMENTITERATOR_HPP 00037
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