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TextQueryRep Class Reference

Abstract representation of a text query as a sequence of weighted terms. More...

#include <TextQueryRep.hpp>

Inheritance diagram for TextQueryRep:

QueryRep ArrayQueryRep OkapiQueryRep SimpleKLQueryModel TFIDFQueryRep List of all members.

Public Methods

virtual ~TextQueryRep ()
virtual void startIteration ()=0
 This, along with hasMore(), nextTerm(), supports iteration over terms.

virtual bool hasMore ()=0
virtual QueryTermnextTerm ()=0
 Fetch the next term. A new instance is generated; the caller is responsible for deleting it!

virtual double scoreConstant ()=0
 Any query-specific constant term in the scoring formula.


Detailed Description

Abstract representation of a text query as a sequence of weighted terms.


Constructor & Destructor Documentation

TextQueryRep::~TextQueryRep ( ) [inline, virtual]
 


Member Function Documentation

virtual bool TextQueryRep::hasMore ( ) [pure virtual]
 

Reimplemented in ArrayQueryRep.

QueryTerm * TextQueryRep::nextTerm ( ) [pure virtual]
 

Fetch the next term. A new instance is generated; the caller is responsible for deleting it!

Reimplemented in ArrayQueryRep.

double TextQueryRep::scoreConstant ( ) [pure virtual]
 

Any query-specific constant term in the scoring formula.

Reimplemented in SimpleKLQueryModel, and ArrayQueryRep.

void TextQueryRep::startIteration ( ) [pure virtual]
 

This, along with hasMore(), nextTerm(), supports iteration over terms.

Reimplemented in ArrayQueryRep.


The documentation for this class was generated from the following file:
Generated at Fri Jul 26 18:23:01 2002 for LEMUR by doxygen1.2.4 written by Dimitri van Heesch, © 1997-2000