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/**
 *  @file broker.h
 *  @brief Declaration of the Broker class.
 *  @author Andreas Aardal Hanssen
 *  @date 2002-2005
 */

#ifndef broker_h_included
#define broker_h_included

#include "depot.h"
#include "operators.h"
#include "recursivedescent.h"
#include "session.h"

#include <map>
#include <string>

namespace Binc {

  class Request;
  class Broker;

  class BrokerFactory {
  private:
    std::map<Session::State, Broker *> brokers;

    BrokerFactory();

    mutable std::string lastError;

  public:
    Broker *getBroker(Session::State state);
    void assign(const std::string &fname, Operator *o);
    void addCapability(const std::string &c);
    Operator *getOperator(Session::State state, const std::string &name) const;

    inline const std::string &getLastError() const;
    inline void setLastError(const std::string &error) const;

    static BrokerFactory &getInstance();
    ~BrokerFactory();
  };

  const std::string &BrokerFactory::getLastError() const
  {
    return lastError;
  }

  void BrokerFactory::setLastError(const std::string &error) const
  {
    lastError = error;
  }

  class Broker {
  private:
    std::map<std::string, Operator *> operators;
    std::map<std::string, bool> deletables;

  public:
    Parser &parser;

    Operator *get(const std::string &name) const;
    void assign(const std::string &fname, Operator *o, bool deletable = false);
    Parser::ParseResult parseStub(Request &cmd);

    Broker(Parser &p) : parser(p){};
    Broker(Broker &&) = default;
  };

}

#endif