From 6ef720791d6532a107f4777edfe1d708b6b9c068 Mon Sep 17 00:00:00 2001
From: Alberto Almagro <alberto.almagro@rakuten.com>
Date: Mon, 19 Mar 2018 21:25:39 +0100
Subject: Remove support for Qu gem.

Reasons are that the Qu gem wasn't compatible since Rails 5.1,
gem development was stopped in 2014 and maintainers have
confirmed its demise. See issue #32273
---
 activejob/lib/active_job/queue_adapters.rb         |  3 --
 .../lib/active_job/queue_adapters/qu_adapter.rb    | 46 ----------------------
 2 files changed, 49 deletions(-)
 delete mode 100644 activejob/lib/active_job/queue_adapters/qu_adapter.rb

(limited to 'activejob/lib')

diff --git a/activejob/lib/active_job/queue_adapters.rb b/activejob/lib/active_job/queue_adapters.rb
index 1bbf7b1055..7854467cc1 100644
--- a/activejob/lib/active_job/queue_adapters.rb
+++ b/activejob/lib/active_job/queue_adapters.rb
@@ -7,7 +7,6 @@ module ActiveJob
   #
   # * {Backburner}[https://github.com/nesquena/backburner]
   # * {Delayed Job}[https://github.com/collectiveidea/delayed_job]
-  # * {Qu}[https://github.com/bkeepers/qu]
   # * {Que}[https://github.com/chanks/que]
   # * {queue_classic}[https://github.com/QueueClassic/queue_classic]
   # * {Resque}[https://github.com/resque/resque]
@@ -24,7 +23,6 @@ module ActiveJob
   #   |-------------------|-------|--------|------------|------------|---------|---------|
   #   | Backburner        | Yes   | Yes    | Yes        | Yes        | Job     | Global  |
   #   | Delayed Job       | Yes   | Yes    | Yes        | Job        | Global  | Global  |
-  #   | Qu                | Yes   | Yes    | No         | No         | No      | Global  |
   #   | Que               | Yes   | Yes    | Yes        | Job        | No      | Job     |
   #   | queue_classic     | Yes   | Yes    | Yes*       | No         | No      | No      |
   #   | Resque            | Yes   | Yes    | Yes (Gem)  | Queue      | Global  | Yes     |
@@ -115,7 +113,6 @@ module ActiveJob
     autoload :InlineAdapter
     autoload :BackburnerAdapter
     autoload :DelayedJobAdapter
-    autoload :QuAdapter
     autoload :QueAdapter
     autoload :QueueClassicAdapter
     autoload :ResqueAdapter
diff --git a/activejob/lib/active_job/queue_adapters/qu_adapter.rb b/activejob/lib/active_job/queue_adapters/qu_adapter.rb
deleted file mode 100644
index bd7003e177..0000000000
--- a/activejob/lib/active_job/queue_adapters/qu_adapter.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-# frozen_string_literal: true
-
-require "qu"
-
-module ActiveJob
-  module QueueAdapters
-    # == Qu adapter for Active Job
-    #
-    # Qu is a Ruby library for queuing and processing background jobs. It is
-    # heavily inspired by delayed_job and Resque. Qu was created to overcome
-    # some shortcomings in the existing queuing libraries.
-    # The advantages of Qu are: Multiple backends (redis, mongo), jobs are
-    # requeued when worker is killed, resque-like API.
-    #
-    # Read more about Qu {here}[https://github.com/bkeepers/qu].
-    #
-    # To use Qu set the queue_adapter config to +:qu+.
-    #
-    #   Rails.application.config.active_job.queue_adapter = :qu
-    class QuAdapter
-      def enqueue(job, *args) #:nodoc:
-        qu_job = Qu::Payload.new(klass: JobWrapper, args: [job.serialize]).tap do |payload|
-          payload.instance_variable_set(:@queue, job.queue_name)
-        end.push
-
-        # qu_job can be nil depending on the configured backend
-        job.provider_job_id = qu_job.id unless qu_job.nil?
-        qu_job
-      end
-
-      def enqueue_at(job, timestamp, *args) #:nodoc:
-        raise NotImplementedError, "This queueing backend does not support scheduling jobs. To see what features are supported go to http://api.rubyonrails.org/classes/ActiveJob/QueueAdapters.html"
-      end
-
-      class JobWrapper < Qu::Job #:nodoc:
-        def initialize(job_data)
-          @job_data = job_data
-        end
-
-        def perform
-          Base.execute @job_data
-        end
-      end
-    end
-  end
-end
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