#ifndef _WB_PLUGIN_BE_H_
#define _WB_PLUGIN_BE_H_


#include "db_mysql_public_interface.h"
#include "grt/grt_manager.h"


class Wb_plugin;
#ifdef _WIN32
#pragma make_public(Wb_plugin)
#endif

class WBPLUGINDBMYSQLBE_PUBLIC_FUNC Wb_plugin
{
public:
  Wb_plugin() : _grtm(NULL) {}
  virtual ~Wb_plugin() {}

public:
  virtual void grtm(bec::GRTManager *grtm);
protected:
  bec::GRTManager *_grtm;

public:
  virtual std::string task_desc() = 0;
  void exec_task(bool sync= false);
protected:
  typedef sigc::slot<grt::StringRef, grt::GRT *> Task_proc_cb;
  virtual void set_task_proc() = 0;
  Task_proc_cb _task_proc_cb;

public:
  typedef sigc::slot<int, int, const std::string&> Task_msg_cb;
  typedef sigc::slot<int, float, const std::string&> Task_progress_cb;
  typedef sigc::slot<int> Task_finish_cb;
  typedef sigc::slot<int, const std::string&> Task_fail_cb;

  void task_msg_cb(Task_msg_cb cb) { _task_msg_cb= cb; }
  void task_progress_cb(Task_progress_cb cb) { _task_progress_cb= cb; }
  void task_finish_cb(Task_finish_cb cb) { _task_finish_cb= cb; }
  void task_fail_cb(Task_fail_cb cb) { _task_fail_cb= cb; }

  void process_task_msg(const grt::Message &msgs);
  void process_task_finish(grt::ValueRef res);
  void process_task_fail(const std::exception &error);

private:
  Task_msg_cb _task_msg_cb;
  Task_progress_cb _task_progress_cb;
  Task_finish_cb _task_finish_cb;
  Task_fail_cb _task_fail_cb;

public:
  void set_option(const std::string &name, int val);
  void set_option(const std::string &name, const double &val);
  void set_option(const std::string &name, const std::string &val);
  int get_int_option(const std::string &name);
  double get_double_option(const std::string &name);
  std::string get_string_option(const std::string &name);
protected:
  grt::DictRef _options;
};


#endif /* _WB_PLUGIN_BE_H_ */
