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Module: ActiveJob::Core

Relationships & Source Files
Namespace Children
Modules:
ClassMethods
Extension / Inclusion / Inheritance Descendants
Included In:
ActionMailer::DeliveryJob, ActionMailer::MailDeliveryJob, ActionMailer::Parameterized::DeliveryJob, Base, ::ActiveRecord::DestroyAssociationAsyncJob
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::ActiveSupport::Concern
Defined in: activejob/lib/active_job/core.rb

Overview

Provides general behavior that will be included into every Active Job object that inherits from Base.

Class Method Summary

::ActiveSupport::Concern - Extended

class_methods

Define class methods from given block.
included

Evaluate given block in context of base class, so that you can write class macros here.
prepended

Evaluate given block in context of base class, so that you can write class macros here.

Instance Attribute Summary

Instance Method Summary

Instance Attribute Details

#arguments (rw)

Job arguments

[ GitHub ] 

  


# File 'activejob/lib/active_job/core.rb', line 10



attr_accessor :arguments


  








  

    #enqueued_at   (rw)
  



  

    

Track when a job was enqueued


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 44



attr_accessor :enqueued_at


  








  

    #exception_executions   (rw)
  



  

    

::Hash that contains the number of times this job handled errors for each specific retry_on declaration. Keys are the string representation of the exceptions listed in the retry_on declaration, while its associated value holds the number of executions where the corresponding retry_on declaration handled one of its listed exceptions.


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 35



attr_accessor :exception_executions


  








  

    #executions   (rw)
  



  

    

Number of times this job has been executed (which increments on every retry, like after an exception).


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 29



attr_accessor :executions


  








  

    #job_id   (rw)
  



  

    

Job Identifier


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 17



attr_accessor :job_id


  








  

    #locale   (rw)
  



  

    

I18n.locale to be used during the job.


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 38



attr_accessor :locale


  








  

    #priority=(value)   (writeonly)
  



  

    

Priority that the job will have (lower is more priority).


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 23



attr_writer :priority


  








  

    #provider_job_id   (rw)
  



  

    

ID optionally provided by adapter


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 26



attr_accessor :provider_job_id


  








  

    #queue_name=(value)   (writeonly)
  



  

    

Queue in which the job will reside.


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 20



attr_writer :queue_name


  








  

    #scheduled_at   (rw)
  



  

    

Timestamp when the job should be performed


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 14



attr_accessor :scheduled_at


  








  

    #serialized_arguments=(value)   (writeonly)
  

  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 11



attr_writer :serialized_arguments


  








  

    #timezone   (rw)
  



  

    

Timezone to be used during the job.


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 41



attr_accessor :timezone


  







Instance Method Details



  

    #deserialize(job_data)  
  



  

    

Attaches the stored job data to the current instance. Receives a hash returned from #serialize



Examples



class DeliverWebhookJob < ActiveJob::Base
  attr_writer :attempt_number

  def attempt_number
    @attempt_number ||= 0
  end

  def serialize
    super.merge('attempt_number' => attempt_number + 1)
  end

  def deserialize(job_data)
    super
    self.attempt_number = job_data['attempt_number']
  end

  rescue_from(Timeout::Error) do |exception|
    raise exception if attempt_number > 5
    retry_job(wait: 10)
  end
end


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 136



def deserialize(job_data)
  self.job_id               = job_data["job_id"]
  self.provider_job_id      = job_data["provider_job_id"]
  self.queue_name           = job_data["queue_name"]
  self.priority             = job_data["priority"]
  self.serialized_arguments = job_data["arguments"]
  self.executions           = job_data["executions"]
  self.exception_executions = job_data["exception_executions"]
  self.locale               = job_data["locale"] || I18n.locale.to_s
  self.timezone             = job_data["timezone"] || Time.zone&.name
  self.enqueued_at          = job_data["enqueued_at"]
end


  








  

    #initialize(*arguments)  
  



  

    

Creates a new job instance. Takes the arguments that will be passed to the perform method.


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 81



def initialize(*arguments)
  @arguments  = arguments
  @job_id     = SecureRandom.uuid
  @queue_name = self.class.queue_name
  @priority   = self.class.priority
  @executions = 0
  @exception_executions = {}
  @timezone   = Time.zone&.name
end


  








  

    #serialize  
  



  

    

Returns a hash with the job data that can safely be passed to the queuing adapter.


  



  [ GitHub ]


  

  


# File 'activejob/lib/active_job/core.rb', line 94



def serialize
  {
    "job_class"  => self.class.name,
    "job_id"     => job_id,
    "provider_job_id" => provider_job_id,
    "queue_name" => queue_name,
    "priority"   => priority,
    "arguments"  => serialize_arguments_if_needed(arguments),
    "executions" => executions,
    "exception_executions" => exception_executions,
    "locale"     => I18n.locale.to_s,
    "timezone"   => timezone,
    "enqueued_at" => Time.now.utc.iso8601
  }
end