aboutsummaryrefslogtreecommitdiffstats
path: root/activejob/lib/active_job/queue_priority.rb
blob: 01d84910ffb0239e35cfe22d71d28ba2d635def5 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
module ActiveJob
  module QueuePriority
    extend ActiveSupport::Concern

    # Includes the ability to override the default queue priority.
    module ClassMethods
      mattr_accessor(:default_priority)

      # Specifies the priority of the queue to create the job with.
      #
      #   class PublishToFeedJob < ActiveJob::Base
      #     queue_with_priority 50
      #
      #     def perform(post)
      #       post.to_feed!
      #     end
      #   end
      #
      # Specify either an argument or a block.
      def queue_with_priority(priority=nil, &block)
        if block_given?
          self.priority = block
        else
          self.priority = priority
        end
      end
    end

    included do
      class_attribute :priority, instance_accessor: false

      self.priority = default_priority
    end

    # Returns the priority that the job will be created with
    def priority
      if @priority.is_a?(Proc)
        @priority = instance_exec(&@priority)
      end
      @priority
    end

  end
end