Main Page | Namespace List | Class Hierarchy | Class List | File List | Namespace Members | Class Members | File Members | Related Pages

FieldWildcardNode.hpp

Go to the documentation of this file.
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 // FieldWildcardNode
00015 //
00016 // 18 June 2005 -- pto
00017 //
00018 // This node poplulates the field list with all fields in the document contained
00019 // within the "outer" field as candidate fields.  Slow as it requires 
00020 // scanning the field list for the doc or scanning a document structure object.
00021 //
00022 
00023 #ifndef INDRI_FIELDWILDCARDNODE_HPP
00024 #define INDRI_FIELDWILDCARDNODE_HPP
00025 
00026 #include "indri/ListIteratorNode.hpp"
00027 #include "indri/greedy_vector"
00028 #include "indri/Index.hpp"
00029 
00030 namespace indri {
00031   namespace infnet {
00032 
00033     class FieldWildcardNode : public ListIteratorNode {
00034       indri::utility::greedy_vector<indri::index::Extent> _extents;
00035       std::string _name;
00036       indri::index::Index * _index;
00037       lemur::api::DOCID_T _nextDocument;
00038       indri::index::TermListFileIterator * _docIter;
00039       int _docIterID;
00040       
00041     public:
00042       FieldWildcardNode( const std::string& name );
00043       ~FieldWildcardNode( );
00044       
00045       void prepare( lemur::api::DOCID_T documentID );
00046       const indri::utility::greedy_vector<indri::index::Extent>& extents();
00047       lemur::api::DOCID_T nextCandidateDocument();
00048       const std::string& getName() const;
00049       void annotate( class Annotator& annotator, lemur::api::DOCID_T documentID, indri::index::Extent &extent );
00050 
00051       void indexChanged( indri::index::Index& index);
00052     };
00053   }
00054 }
00055 #endif // INDRI_FIELDWILDCARDNODE_HPP
00056 

Generated on Tue Jun 15 11:02:54 2010 for Lemur by doxygen 1.3.4