Class: EventSourcing::Event

Inherits:
Object
  • Object
show all
Defined in:
lib/event_sourcing/event.rb,
lib/event_sourcing/event/bus.rb,
lib/event_sourcing/event/store.rb,
lib/event_sourcing/event/stream.rb,
lib/event_sourcing/event/publisher.rb,
lib/event_sourcing/event/subscriber.rb,
lib/event_sourcing/event/store/memory.rb,
lib/event_sourcing/event/bus/reference.rb,
lib/event_sourcing/event/publisher/reference.rb

Defined Under Namespace

Modules: Store Classes: Bus, Publisher, Stream, Subscriber

Class Method Summary collapse

Class Method Details

.define(*fields) ⇒ Object 



6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
 
# File 'lib/event_sourcing/event.rb', line 6

def self.define(*fields)
  Class.new(self) do
    attr_reader(*fields)
    public_class_method :new

    define_method :initialize do |properties = {}|
      missing_keys = fields - properties.keys
      
      if missing_keys.any?
        raise ArgumentError, "missing keyword: #{missing_keys.first}"
      end

      fields.each do |field|
        instance_variable_set("@#{field}", properties[field])
      end
    end

    def to_s
      self.class.to_s
    end
  end
end