00001 /*========================================================================== 00002 * Copyright (c) 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 // ExtentAndNode 00015 // 00016 // 23 February 2004 -- tds 00017 // 00018 00019 #ifndef INDRI_EXTENTANDNODE_HPP 00020 #define INDRI_EXTENTANDNODE_HPP 00021 00022 #include "indri/ListIteratorNode.hpp" 00023 #include <vector> 00024 #include "indri/greedy_vector" 00025 namespace indri 00026 { 00027 namespace infnet 00028 { 00029 00030 class ExtentAndNode : public ListIteratorNode { 00031 private: 00032 std::vector<ListIteratorNode*> _children; 00033 indri::utility::greedy_vector<indri::index::Extent> _extents; 00034 indri::utility::greedy_vector<indri::index::Extent> _partialExtents; 00035 std::string _name; 00036 00037 void _and( indri::utility::greedy_vector<indri::index::Extent>& out, const indri::utility::greedy_vector<indri::index::Extent>& one, const indri::utility::greedy_vector<indri::index::Extent>& two ); 00038 00039 public: 00040 ExtentAndNode( const std::string& name, std::vector<ListIteratorNode*>& children ); 00041 void prepare( lemur::api::DOCID_T documentID ); 00042 const indri::utility::greedy_vector<indri::index::Extent>& extents(); 00043 lemur::api::DOCID_T nextCandidateDocument(); 00044 void indexChanged( indri::index::Index& index ); 00045 const std::string& getName() const; 00046 void annotate( class Annotator& annotator, lemur::api::DOCID_T documentID, indri::index::Extent &extent ); 00047 }; 00048 } 00049 } 00050 00051 #endif //INDRI_EXTENTANDNODE_HPP 00052
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