#include "goods.h"

USE_GOODS_NAMESPACE
class my_class : public object {
  public: 
    ...
    /* for example:
       int  x;
       int  y;
       char s[8];
    */          
    METACLASS_DECLARATIONS(my_class, object);
  
    my_class() : object(self_class) 
    {
        ...
    }
};

class my_root : public object {
  public: 
    ...
    METACLASS_DECLARATIONS(my_root, object);
  
    my_root() : object(self_class) 
    {
        ...
    }
    void initialize() const { 
        if (is_abstract_root()) { 
            ref<my_root> root = this;
            modify(root)->become(NEW my_root);
        } 
    }
};
        
field_descriptor& my_class::describe_components()
{
    return ...;
    /* for example: return FIELD(x), FIELD(y), ARRAY(s); */
}

field_descriptor& my_root::describe_components()
{
    return ...;
}

REGISTER(my_class,                       // class name 
        object,                          // base class
        optimistic_scheme/*for example*/ // metaobject
);

REGISTER(my_root, // class name 
        object,    // base class
        pessimistic_repeatable_read_scheme // metaobject
);



int main(int argc, char* argv[]) 
{
    task::initialize(task::huge_stack);
    database db;

    char* cfg_name = NEW char[strlen(argv[1])+5];
    sprintf(cfg_name, "%s.cfg", argv[1]);

    if (db.open(cfg_name)) { 
        ref<my_root> root;
        db.get_root(root);
        root->initialize();
        
        ... // do something with database 
        
        db.close();
        return EXIT_SUCCESS;
    } else { 
        console::error("Database not found\n");
        return EXIT_FAILURE;
    }
}