Class: Aggregates::EventStream

Inherits:
Object
  • Object
show all
Defined in:
lib/aggregates/event_stream.rb

Overview

An EventStream is a sequence, append only sequence of events that are read when reconstructing aggregates and written to when a command is processed by the aggregate.

There is likely no need to interact with this class directly.

Instance Method Summary collapse

Constructor Details

#initialize(aggregate_id) ⇒ EventStream

Returns a new instance of EventStream.



9
10
11
12
 
# File 'lib/aggregates/event_stream.rb', line 9

def initialize(aggregate_id)
  @aggregate_id = aggregate_id
  @config = Configuration.instance
end

Instance Method Details

#load_events ⇒ Object 



14
15
16
 
# File 'lib/aggregates/event_stream.rb', line 14

def load_events
  @config.storage_backend.load_events_by_aggregate_id(@aggregate_id)
end

#publish(event) ⇒ Object 



18
19
20
21
22
23
 
# File 'lib/aggregates/event_stream.rb', line 18

def publish(event)
  @config.event_processors.each do |event_processor|
    event_processor.process_event event
  end
  @config.storage_backend.store_event event
end