# class DRb::DRbIdConv

`Class` responsible for converting between an object and its id.

This, the default implementation, uses an object’s local `ObjectSpace` __id__ as its id. This means that an object’s identification over drb remains valid only while that object instance remains alive within the server runtime.

For alternative mechanisms, see `DRb::TimerIdConv` in drb/timeridconv.rb and DRbNameIdConv in sample/name.rb in the full drb distribution.

### Public Instance Methods

to_id(obj) click to toggle source

Convert an object into a reference id.

This implementation returns the object’s __id__ in the local object space.

    # File lib/drb/drb.rb, line 373
    def to_id(obj)
      case obj
      when Object
        obj.nil? ? nil : obj.__id__
      when BasicObject
        obj.__id__
      end
    end

to_obj(ref) click to toggle source

Convert an object reference id to an object.

This implementation looks up the reference id in the local object space and returns the object it refers to.

    # File lib/drb/drb.rb, line 365
    def to_obj(ref)
      ObjectSpace._id2ref(ref)
    end