//
// Copyright (c) 2003-2006 Greg Landrum and Rational Discovery LLC
//
//   @@ All Rights Reserved @@
//  This file is part of the RDKit.
//  The contents are covered by the terms of the BSD license
//  which is included in the file license.txt, found at the root
//  of the RDKit source tree.
//
#ifndef __RD_GREATERQUERY_H__
#define __RD_GREATERQUERY_H__
#include "Query.h"
#include "EqualityQuery.h"

namespace Queries {
  //! \brief a Query implementing > using a particular
  //!  value (and an optional tolerance)
  template <class MatchFuncArgType, class DataFuncArgType=MatchFuncArgType,
    bool needsConversion=false>
  class GreaterQuery :
    public EqualityQuery<MatchFuncArgType, DataFuncArgType,needsConversion> {

  public:
    GreaterQuery() {
      this->d_tol = 0;
    };
    //! constructs with our target value
    explicit GreaterQuery(DataFuncArgType v) {
      this->d_val = v;
      this->d_tol = 0;
      this->df_negate = false;
    };
    //! constructs with our target value and a tolerance
    GreaterQuery(DataFuncArgType v,DataFuncArgType t) {
      this->d_val = v;
      this->d_tol = t;
      this->df_negate = false;
    };

    bool Match(const DataFuncArgType what) const {
      MatchFuncArgType mfArg = this->TypeConvert(what,Int2Type<needsConversion>());
      if( queryCmp(this->d_val,mfArg,this->d_tol) > 0 ){
	if( this->getNegation() ) return false;
	else return true;
      } else {
	if( this->getNegation() ) return true;
	else return false;
      }
    };

    Query<MatchFuncArgType,DataFuncArgType,needsConversion> *
    copy( ) const {
      GreaterQuery<MatchFuncArgType,DataFuncArgType,needsConversion> *res =
	new GreaterQuery<MatchFuncArgType,DataFuncArgType,needsConversion>();
      res->setVal(this->d_val);
      res->setTol(this->d_tol);
      res->setNegation(this->getNegation());
      res->setDataFunc(this->d_dataFunc);
      res->d_description = this->d_description;
      return res;
    };

    std::string getFullDescription() const {
      std::ostringstream res;
      res<<this->getDescription();
      res<<" "<<this->d_val;
      if(this->getNegation()) res<<" ! > ";
      else res<<" > ";
      return res.str();
    };
  };

}
#endif
