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Sourcecode: qt4-x11 version File versions


* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
* Distributable under the terms of either the Apache License (Version 2.0) or 
* the GNU Lesser General Public License, as specified in the COPYING file.
#ifndef _lucene_search_FilteredTermEnum_
#define _lucene_search_FilteredTermEnum_

#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once

#include "CLucene/index/Term.h"
#include "CLucene/index/Terms.h"

  //FilteredTermEnum is an abstract class for enumerating a subset of all terms. 
  //Term enumerations are always ordered by term->compareTo().  Each term in
  //the enumeration is greater than all that precede it. 
  class FilteredTermEnum: public CL_NS(index)::TermEnum {
      virtual ~FilteredTermEnum();
      //Equality measure on the term
      virtual float_t difference() = 0;

      //Returns the docFreq of the current Term in the enumeration.
      int32_t docFreq() const ;
      //Increments the enumeration to the next element
      bool next() ;
      //Returns a pointer to the current Term in the enumeration.
      CL_NS(index)::Term* term();
      CL_NS(index)::Term* term(bool pointer);
      //Closes the enumeration to further activity, freeing resources.
      void close();

      //Equality compare on the term */
      virtual bool termCompare(CL_NS(index)::Term* term) = 0;
      //Indiciates the end of the enumeration has been reached
      virtual bool endEnum() = 0;
      void setEnum(CL_NS(index)::TermEnum* actualEnum) ;
        CL_NS(index)::Term* currentTerm;
        CL_NS(index)::TermEnum* actualEnum;

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