lib/pigeon/task.rb in pigeon-0.9.3 vs lib/pigeon/task.rb in pigeon-1.0.0

@@ -1,6 +1,11 @@
 class Pigeon::Task
+  # == Exceptions ===========================================================
+
+  class EngineRequired < StandardError
+  end
+
   # == Constants ============================================================
   
   # == Properties ===========================================================
   
   attr_reader :state
@@ -33,9 +38,13 @@
   # the context property.
   def initialize(context = nil, engine = nil)
     @context = context
     @engine = engine || Pigeon::Engine.default_engine
     @created_at = Time.now
+
+    unless (@engine)
+      raise EngineRequired, "Task creation requires an active Pigeon::Engine"
+    end
     
     after_initialized
   end
   
   # Kicks off the task. The processor execurting the task should be supplied