Merge pull request #46 from cristianbica/logging

Added logging capabilities

lib/active_job/base.rb

@@ -1,11 +1,13 @@
 require 'active_job/queue_adapter'
 require 'active_job/queue_name'
 require 'active_job/enqueuing'
+require 'active_job/logging'
 
 module ActiveJob
   class Base
     extend QueueAdapter
     extend QueueName
     extend Enqueuing
+    extend Logging
   end
-end
+end

lib/active_job/enqueuing.rb

@@ -11,6 +11,7 @@ module Enqueuing
     # The return value is adapter-specific and may change in a future
     # ActiveJob release.
     def enqueue(*args)
+      ActiveSupport::Notifications.instrument "enqueue.active_job", adapter: queue_adapter, job: self, params: args
       queue_adapter.queue self, *Parameters.serialize(args)
     end
   end

lib/active_job/log_subscriber.rb

@@ -0,0 +1,18 @@
+module ActiveJob
+  class LogSubscriber < ActiveSupport::LogSubscriber
+    def enqueue(event)
+      payload = event.payload
+      params  = payload[:params]
+      adapter = payload[:adapter]
+      job     = payload[:job]
+
+      info "ActiveJob enqueued to #{adapter.name.demodulize} job #{job.name}: #{params.inspect}"
+    end
+
+    def logger
+      ActiveJob::Base.logger
+    end
+  end
+end
+
+ActiveJob::LogSubscriber.attach_to :active_job

lib/active_job/logging.rb

@@ -0,0 +1,7 @@
+require 'active_job/log_subscriber'
+
+module ActiveJob
+  module Logging
+    mattr_accessor(:logger) { ActiveSupport::Logger.new(STDOUT) }
+  end
+end