00001 /*========================================================================== 00002 * Copyright (c) 2005 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 // DocumentDataIterator 00014 // 00015 // 21 January 2005 -- tds 00016 // 00017 00018 #ifndef INDRI_DOCUMENTDATAITERATOR_HPP 00019 #define INDRI_DOCUMENTDATAITERATOR_HPP 00020 00021 #include "indri/DocumentData.hpp" 00022 00023 namespace indri { 00024 namespace index { 00025 class DocumentDataIterator { 00026 public: 00027 virtual ~DocumentDataIterator() {}; 00028 00029 virtual void startIteration() = 0; 00030 virtual bool nextEntry() = 0; 00031 virtual const DocumentData* currentEntry() = 0; 00032 virtual bool finished() = 0; 00033 }; 00034 } 00035 } 00036 00037 #endif // INDRI_DOCUMENTDATAITERATOR_HPP 00038
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