Sentence.hpp

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// ANNA - Anna is Not Nothingness Anymore                                                         //
//                                                                                                //
// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
//                                                                                                //
// See project site at http://redmine.teslayout.com/projects/anna-suite                           //
// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //


#ifndef anna_dbms_Sentence_hpp
#define anna_dbms_Sentence_hpp

#include <anna/core/mt/Mutex.hpp>

#include <anna/dbms/ResultCode.hpp>

namespace anna {

namespace xml {
class Node;
}

namespace dbms {

class Database;
class Connection;
class Statement;

class Sentence : public Mutex {
public:
  struct Mode { enum _v { ExceptionWhenNotFound, SilentWhenNotFound }; };

  virtual dbms::ResultCode execute(dbms::Connection& connection) noexcept(false) {
    return execute(connection, a_dbStatement);
  }

  const std::string& getName() const ;

  void initialize(dbms::Database& database) noexcept(false);

  bool fetch() noexcept(false);

  bool fetch(const ResultCode& resultCode) noexcept(false) {
    return (resultCode.successful() == true) ? fetch() : false;
  }

  virtual std::string asString() const ;

  virtual xml::Node* asXML(xml::Node* parent) const ;

protected:
  Sentence(const Mode::_v mode = Mode::ExceptionWhenNotFound) :
    a_mode(mode), a_dbStatement(NULL)
  {;}

  dbms::ResultCode execute(dbms::Connection& connection, dbms::Statement* statement) noexcept(false);

  virtual dbms::Statement* do_initialize(dbms::Database&) noexcept(false) = 0;

private:
  const Mode::_v a_mode;
  dbms::Statement* a_dbStatement;
};

}
}

#endif