lib/queue_bus/dispatchers.rb in queue-bus-0.9.0 vs lib/queue_bus/dispatchers.rb in queue-bus-0.9.1

@@ -1,26 +1,33 @@
+# frozen_string_literal: true
+
 module QueueBus
+  # A collection of Dispatches
+  #
+  # Each Dispatch is an application with it's own set of subscriptions. This is a master object
+  # that provides some basic controls over the set of applications.
   class Dispatchers
-    def dispatch(app_key=nil, &block)
+    # Fetches a dispatch for the application key and binds the provided block to it.
+    def dispatch(app_key = nil, &block)
       dispatcher = dispatcher_by_key(app_key)
       dispatcher.instance_eval(&block)
       dispatcher
     end
-    
+
     def dispatchers
       @dispatchers ||= {}
       @dispatchers.values
     end
-    
+
     def dispatcher_by_key(app_key)
       app_key = Application.normalize(app_key || ::QueueBus.default_app_key)
       @dispatchers ||= {}
       @dispatchers[app_key] ||= Dispatch.new(app_key)
     end
-    
+
     def dispatcher_execute(app_key, key, attributes)
       @dispatchers ||= {}
       dispatcher = @dispatchers[app_key]
-      dispatcher.execute(key, attributes) if dispatcher
+      dispatcher&.execute(key, attributes)
     end
   end
 end