diff options
Diffstat (limited to 'activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb')
-rw-r--r-- | activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb b/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb new file mode 100644 index 0000000000..34c11a68b2 --- /dev/null +++ b/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb @@ -0,0 +1,54 @@ +require 'queue_classic' + +module ActiveJob + module QueueAdapters + # == queue_classic adapter for Active Job + # + # queue_classic provides a simple interface to a PostgreSQL-backed message + # queue. queue_classic specializes in concurrent locking and minimizing + # database load while providing a simple, intuitive developer experience. + # queue_classic assumes that you are already using PostgreSQL in your + # production environment and that adding another dependency (e.g. redis, + # beanstalkd, 0mq) is undesirable. + # + # Read more about queue_classic {here}[https://github.com/QueueClassic/queue_classic]. + # + # To use queue_classic set the queue_adapter config to +:queue_classic+. + # + # Rails.application.config.active_job.queue_adapter = :queue_classic + class QueueClassicAdapter + class << self + def enqueue(job) #:nodoc: + build_queue(job.queue_name).enqueue("#{JobWrapper.name}.perform", job.serialize) + end + + def enqueue_at(job, timestamp) #:nodoc: + queue = build_queue(job.queue_name) + unless queue.respond_to?(:enqueue_at) + raise NotImplementedError, 'To be able to schedule jobs with queue_classic ' \ + 'the QC::Queue needs to respond to `enqueue_at(timestamp, method, *args)`. ' \ + 'You can implement this yourself or you can use the queue_classic-later gem.' + end + queue.enqueue_at(timestamp, "#{JobWrapper.name}.perform", job.serialize) + end + + # Builds a <tt>QC::Queue</tt> object to schedule jobs on. + # + # If you have a custom <tt>QC::Queue</tt> subclass you'll need to subclass + # <tt>ActiveJob::QueueAdapters::QueueClassicAdapter</tt> and override the + # <tt>build_queue</tt> method. + def build_queue(queue_name) + QC::Queue.new(queue_name) + end + end + + class JobWrapper #:nodoc: + class << self + def perform(job_data) + Base.execute job_data + end + end + end + end + end +end |