Class: Gitlab::EventStore::Store

Inherits:
Object
  • Object
show all
Defined in:
lib/gitlab/event_store/store.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize {|_self| ... } ⇒ Store

Returns a new instance of Store.

Yields:

  • (_self)

Yield Parameters:



8
9
10
11
12
13
14
15
16
 
# File 'lib/gitlab/event_store/store.rb', line 8

def initialize
  @subscriptions = Hash.new { |h, k| h[k] = [] }

  yield(self) if block_given?

  # freeze the subscriptions as safety measure to avoid further
  # subcriptions after initialization.
  lock!
end

Instance Attribute Details

#subscriptions ⇒ Object (readonly)

Returns the value of attribute subscriptions.



6
7
8
 
# File 'lib/gitlab/event_store/store.rb', line 6

def subscriptions
  @subscriptions
end

Instance Method Details

#publish(event) ⇒ Object 



27
28
29
30
31
32
33
34
35
 
# File 'lib/gitlab/event_store/store.rb', line 27

def publish(event)
  unless event.is_a?(Event)
    raise InvalidEvent, "Event being published is not an instance of Gitlab::EventStore::Event: got #{event.inspect}"
  end

  subscriptions.fetch(event.class, []).each do |subscription|
    subscription.consume_event(event)
  end
end

#subscribe(worker, to:, if: nil, delay: nil) ⇒ Object 



18
19
20
21
22
23
24
25
 
# File 'lib/gitlab/event_store/store.rb', line 18

def subscribe(worker, to:, if: nil, delay: nil)
  condition = binding.local_variable_get('if')

  Array(to).each do |event|
    validate_subscription!(worker, event)
    subscriptions[event] << Gitlab::EventStore::Subscription.new(worker, condition, delay)
  end
end