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Diffstat (limited to 'guides/source/active_job_basics.md')
| -rw-r--r-- | guides/source/active_job_basics.md | 75 |
1 files changed, 56 insertions, 19 deletions
diff --git a/guides/source/active_job_basics.md b/guides/source/active_job_basics.md index e2f13d557a..7b3081993d 100644 --- a/guides/source/active_job_basics.md +++ b/guides/source/active_job_basics.md @@ -78,15 +78,15 @@ end Enqueue a job like so: ```ruby -MyJob.enqueue record # Enqueue a job to be performed as soon the queueing system is free. +MyJob.perform_later record # Enqueue a job to be performed as soon the queueing system is free. ``` ```ruby -MyJob.enqueue_at Date.tomorrow.noon, record # Enqueue a job to be performed tomorrow at noon. +MyJob.set(wait_until: Date.tomorrow.noon).perform_later(record) # Enqueue a job to be performed tomorrow at noon. ``` ```ruby -MyJob.enqueue_in 1.week, record # Enqueue a job to be performed 1 week from now. +MyJob.set(wait: 1.week).perform_later(record) # Enqueue a job to be performed 1 week from now. ``` That's it! @@ -113,18 +113,23 @@ Active Job has adapters for the following queueing backends: #### Backends Features -| | Async | Queues | Delayed | Priorities | Timeout | Retries | -|-----------------------|-------|---------|---------|-------------|---------|---------| -| **Backburner** | Yes | Yes | Yes | Yes | Job | Global | -| **Delayed Job** | Yes | Yes | Yes | Job | Global | Global | -| **Que** | Yes | Yes | Yes | Job | No | Job | -| **Queue Classic** | Yes | Yes | Gem | No | No | No | -| **Resque** | Yes | Yes | Gem | Queue | Global | Yes | -| **Sidekiq** | Yes | Yes | Yes | Queue | No | Job | -| **Sneakers** | Yes | Yes | No | Queue | Queue | No | -| **Sucker Punch** | Yes | Yes | Yes | No | No | No | -| **Active Job Inline** | No | Yes | N/A | N/A | N/A | N/A | -| **Active Job** | Yes | Yes | Yes | No | No | No | +| | Async | Queues | Delayed | Priorities | Timeout | Retries | +|-----------------------|-------|--------|-----------|------------|---------|---------| +| **Backburner** | Yes | Yes | Yes | Yes | Job | Global | +| **Delayed Job** | Yes | Yes | Yes | Job | Global | Global | +| **Que** | Yes | Yes | Yes | Job | No | Job | +| **Queue Classic** | Yes | Yes | No* | No | No | No | +| **Resque** | Yes | Yes | Yes (Gem) | Queue | Global | Yes | +| **Sidekiq** | Yes | Yes | Yes | Queue | No | Job | +| **Sneakers** | Yes | Yes | No | Queue | Queue | No | +| **Sucker Punch** | Yes | Yes | No | No | No | No | +| **Active Job Inline** | No | Yes | N/A | N/A | N/A | N/A | +| **Active Job** | Yes | Yes | Yes | No | No | No | + +NOTE: +* Queue Classic does not support Job scheduling. However you can implement this +yourself or you can use the queue_classic-later gem. See the documentation for +ActiveJob::QueueAdapters::QueueClassicAdapter. ### Change Backends @@ -150,7 +155,7 @@ class GuestsCleanupJob < ActiveJob::Base end ``` -Also you can prefix the queue name for all your jobs using +You can prefix the queue name for all your jobs using `config.active_job.queue_name_prefix` in `application.rb`: ```ruby @@ -167,10 +172,42 @@ class GuestsCleanupJob < ActiveJob::Base #.... end -# Now your job will run on queue production_low_priority on your production -# environment and on beta_low_priority on your beta environment +# Now your job will run on queue production_low_priority on your +# production environment and on beta_low_priority on your beta +# environment ``` +If you want more control on what queue a job will be run you can pass a :queue +option to #set: + +```ruby +MyJob.set(queue: :another_queue).perform_later(record) +``` + +To control the queue from the job level you can pass a block to queue_as. The +block will be executed in the job context (so you can access self.arguments) +and you must return the queue name: + +```ruby +class ProcessVideoJob < ActiveJob::Base + queue_as do + video = self.arguments.first + if video.owner.premium? + :premium_videojobs + else + :videojobs + end + end + + def perform(video) + # do process video + end +end + +ProcessVideoJob.perform_later(Video.last) +``` + + NOTE: Make sure your queueing backend "listens" on your queue name. For some backends you need to specify the queues to listen to. @@ -197,7 +234,7 @@ class GuestsCleanupJob < ActiveJob::Base queue_as :default before_enqueue do |job| - # do somthing with the job instance + # do something with the job instance end around_perform do |job, block| |