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-rw-r--r--activejob/lib/active_job.rb10
-rw-r--r--activejob/lib/active_job/arguments.rb28
-rw-r--r--activejob/lib/active_job/base.rb20
-rw-r--r--activejob/lib/active_job/callbacks.rb2
-rw-r--r--activejob/lib/active_job/configured_job.rb2
-rw-r--r--activejob/lib/active_job/core.rb33
-rw-r--r--activejob/lib/active_job/enqueuing.rb39
-rw-r--r--activejob/lib/active_job/exceptions.rb122
-rw-r--r--activejob/lib/active_job/execution.rb7
-rw-r--r--activejob/lib/active_job/logging.rb112
-rw-r--r--activejob/lib/active_job/queue_adapter.rb41
-rw-r--r--activejob/lib/active_job/queue_adapters.rb4
-rw-r--r--activejob/lib/active_job/queue_adapters/async_adapter.rb8
-rw-r--r--activejob/lib/active_job/queue_adapters/backburner_adapter.rb2
-rw-r--r--activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb2
-rw-r--r--activejob/lib/active_job/queue_adapters/qu_adapter.rb6
-rw-r--r--activejob/lib/active_job/queue_adapters/que_adapter.rb2
-rw-r--r--activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb8
-rw-r--r--activejob/lib/active_job/queue_adapters/resque_adapter.rb11
-rw-r--r--activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb22
-rw-r--r--activejob/lib/active_job/queue_adapters/sneakers_adapter.rb6
-rw-r--r--activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb4
-rw-r--r--activejob/lib/active_job/queue_adapters/test_adapter.rb26
-rw-r--r--activejob/lib/active_job/queue_name.rb5
-rw-r--r--activejob/lib/active_job/queue_priority.rb3
-rw-r--r--activejob/lib/active_job/railtie.rb8
-rw-r--r--activejob/lib/active_job/test_case.rb4
-rw-r--r--activejob/lib/active_job/test_helper.rb64
-rw-r--r--activejob/lib/active_job/version.rb2
-rw-r--r--activejob/lib/rails/generators/job/job_generator.rb22
-rw-r--r--activejob/lib/rails/generators/job/templates/application_job.rb5
31 files changed, 373 insertions, 257 deletions
diff --git a/activejob/lib/active_job.rb b/activejob/lib/active_job.rb
index 4b9065cf50..8b7aef65a2 100644
--- a/activejob/lib/active_job.rb
+++ b/activejob/lib/active_job.rb
@@ -1,5 +1,5 @@
#--
-# Copyright (c) 2014-2016 David Heinemeier Hansson
+# Copyright (c) 2014-2017 David Heinemeier Hansson
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -21,10 +21,10 @@
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#++
-require 'active_support'
-require 'active_support/rails'
-require 'active_job/version'
-require 'global_id'
+require "active_support"
+require "active_support/rails"
+require "active_job/version"
+require "global_id"
module ActiveJob
extend ActiveSupport::Autoload
diff --git a/activejob/lib/active_job/arguments.rb b/activejob/lib/active_job/arguments.rb
index a5c749e5e7..523a0e7f33 100644
--- a/activejob/lib/active_job/arguments.rb
+++ b/activejob/lib/active_job/arguments.rb
@@ -1,26 +1,14 @@
-require 'active_support/core_ext/hash'
+require "active_support/core_ext/hash"
module ActiveJob
# Raised when an exception is raised during job arguments deserialization.
#
# Wraps the original exception raised as +cause+.
class DeserializationError < StandardError
- def initialize(e = nil) #:nodoc:
- if e
- ActiveSupport::Deprecation.warn("Passing #original_exception is deprecated and has no effect. " \
- "Exceptions will automatically capture the original exception.", caller)
- end
-
+ def initialize #:nodoc:
super("Error while trying to deserialize arguments: #{$!.message}")
set_backtrace $!.backtrace
end
-
- # The original exception that was raised during deserialization of job
- # arguments.
- def original_exception
- ActiveSupport::Deprecation.warn("#original_exception is deprecated. Use #cause instead.", caller)
- cause
- end
end
# Raised when an unsupported argument type is set as a job argument. We
@@ -34,8 +22,8 @@ module ActiveJob
module Arguments
extend self
# :nodoc:
- # Calls #uniq since Integer, Fixnum, and Bignum are all the same class on Ruby 2.4+
- TYPE_WHITELIST = [ NilClass, String, Integer, Fixnum, Bignum, Float, BigDecimal, TrueClass, FalseClass ].uniq
+ TYPE_WHITELIST = [ NilClass, String, Integer, Float, BigDecimal, TrueClass, FalseClass ]
+ TYPE_WHITELIST.push(Fixnum, Bignum) unless 1.class == Integer
# Serializes a set of arguments. Whitelisted types are returned
# as-is. Arrays/Hashes are serialized element by element.
@@ -55,11 +43,11 @@ module ActiveJob
private
# :nodoc:
- GLOBALID_KEY = '_aj_globalid'.freeze
+ GLOBALID_KEY = "_aj_globalid".freeze
# :nodoc:
- SYMBOL_KEYS_KEY = '_aj_symbol_keys'.freeze
+ SYMBOL_KEYS_KEY = "_aj_symbol_keys".freeze
# :nodoc:
- WITH_INDIFFERENT_ACCESS_KEY = '_aj_hash_with_indifferent_access'.freeze
+ WITH_INDIFFERENT_ACCESS_KEY = "_aj_hash_with_indifferent_access".freeze
private_constant :GLOBALID_KEY, :SYMBOL_KEYS_KEY, :WITH_INDIFFERENT_ACCESS_KEY
def serialize_argument(argument)
@@ -104,7 +92,7 @@ module ActiveJob
end
def serialized_global_id?(hash)
- hash.size == 1 and hash.include?(GLOBALID_KEY)
+ hash.size == 1 && hash.include?(GLOBALID_KEY)
end
def deserialize_global_id(hash)
diff --git a/activejob/lib/active_job/base.rb b/activejob/lib/active_job/base.rb
index ff5c69ddc6..18e8641e50 100644
--- a/activejob/lib/active_job/base.rb
+++ b/activejob/lib/active_job/base.rb
@@ -1,12 +1,13 @@
-require 'active_job/core'
-require 'active_job/queue_adapter'
-require 'active_job/queue_name'
-require 'active_job/queue_priority'
-require 'active_job/enqueuing'
-require 'active_job/execution'
-require 'active_job/callbacks'
-require 'active_job/logging'
-require 'active_job/translation'
+require "active_job/core"
+require "active_job/queue_adapter"
+require "active_job/queue_name"
+require "active_job/queue_priority"
+require "active_job/enqueuing"
+require "active_job/execution"
+require "active_job/callbacks"
+require "active_job/exceptions"
+require "active_job/logging"
+require "active_job/translation"
module ActiveJob #:nodoc:
# = Active Job
@@ -62,6 +63,7 @@ module ActiveJob #:nodoc:
include Enqueuing
include Execution
include Callbacks
+ include Exceptions
include Logging
include Translation
diff --git a/activejob/lib/active_job/callbacks.rb b/activejob/lib/active_job/callbacks.rb
index b206522a60..d5b17de8b5 100644
--- a/activejob/lib/active_job/callbacks.rb
+++ b/activejob/lib/active_job/callbacks.rb
@@ -1,4 +1,4 @@
-require 'active_support/callbacks'
+require "active_support/callbacks"
module ActiveJob
# = Active Job Callbacks
diff --git a/activejob/lib/active_job/configured_job.rb b/activejob/lib/active_job/configured_job.rb
index 979280b910..2ff31f2dae 100644
--- a/activejob/lib/active_job/configured_job.rb
+++ b/activejob/lib/active_job/configured_job.rb
@@ -1,6 +1,6 @@
module ActiveJob
class ConfiguredJob #:nodoc:
- def initialize(job_class, options={})
+ def initialize(job_class, options = {})
@options = options
@job_class = job_class
end
diff --git a/activejob/lib/active_job/core.rb b/activejob/lib/active_job/core.rb
index f7f882c998..548ec89ee2 100644
--- a/activejob/lib/active_job/core.rb
+++ b/activejob/lib/active_job/core.rb
@@ -24,6 +24,9 @@ module ActiveJob
# ID optionally provided by adapter
attr_accessor :provider_job_id
+ # Number of times this job has been executed (which increments on every retry, like after an exception).
+ attr_accessor :executions
+
# I18n.locale to be used during the job.
attr_accessor :locale
end
@@ -33,7 +36,7 @@ module ActiveJob
module ClassMethods
# Creates a new job instance from a hash created with +serialize+
def deserialize(job_data)
- job = job_data['job_class'].constantize.new
+ job = job_data["job_class"].constantize.new
job.deserialize(job_data)
job
end
@@ -56,7 +59,7 @@ module ActiveJob
# VideoJob.set(queue: :some_queue, wait: 5.minutes).perform_later(Video.last)
# VideoJob.set(queue: :some_queue, wait_until: Time.now.tomorrow).perform_later(Video.last)
# VideoJob.set(queue: :some_queue, wait: 5.minutes, priority: 10).perform_later(Video.last)
- def set(options={})
+ def set(options = {})
ConfiguredJob.new(self, options)
end
end
@@ -68,18 +71,20 @@ module ActiveJob
@job_id = SecureRandom.uuid
@queue_name = self.class.queue_name
@priority = self.class.priority
+ @executions = 0
end
# Returns a hash with the job data that can safely be passed to the
# queueing adapter.
def serialize
{
- 'job_class' => self.class.name,
- 'job_id' => job_id,
- 'queue_name' => queue_name,
- 'priority' => priority,
- 'arguments' => serialize_arguments(arguments),
- 'locale' => I18n.locale.to_s
+ "job_class" => self.class.name,
+ "job_id" => job_id,
+ "queue_name" => queue_name,
+ "priority" => priority,
+ "arguments" => serialize_arguments(arguments),
+ "executions" => executions,
+ "locale" => I18n.locale.to_s
}
end
@@ -104,11 +109,13 @@ module ActiveJob
# end
# end
def deserialize(job_data)
- self.job_id = job_data['job_id']
- self.queue_name = job_data['queue_name']
- self.priority = job_data['priority']
- self.serialized_arguments = job_data['arguments']
- self.locale = job_data['locale'] || I18n.locale.to_s
+ 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.locale = job_data["locale"] || I18n.locale.to_s
end
private
diff --git a/activejob/lib/active_job/enqueuing.rb b/activejob/lib/active_job/enqueuing.rb
index 9dc3c0fa57..c73117e7f3 100644
--- a/activejob/lib/active_job/enqueuing.rb
+++ b/activejob/lib/active_job/enqueuing.rb
@@ -1,7 +1,7 @@
-require 'active_job/arguments'
+require "active_job/arguments"
module ActiveJob
- # Provides behavior for enqueuing and retrying jobs.
+ # Provides behavior for enqueuing jobs.
module Enqueuing
extend ActiveSupport::Concern
@@ -18,37 +18,12 @@ module ActiveJob
job_or_instantiate(*args).enqueue
end
- protected
- def job_or_instantiate(*args)
+ private
+ def job_or_instantiate(*args) # :doc:
args.first.is_a?(self) ? args.first : new(*args)
end
end
- # Reschedules the job to be re-executed. This is useful in combination
- # with the +rescue_from+ option. When you rescue an exception from your job
- # you can ask Active Job to retry performing your job.
- #
- # ==== Options
- # * <tt>:wait</tt> - Enqueues the job with the specified delay
- # * <tt>:wait_until</tt> - Enqueues the job at the time specified
- # * <tt>:queue</tt> - Enqueues the job on the specified queue
- # * <tt>:priority</tt> - Enqueues the job with the specified priority
- #
- # ==== Examples
- #
- # class SiteScraperJob < ActiveJob::Base
- # rescue_from(ErrorLoadingSite) do
- # retry_job queue: :low_priority
- # end
- #
- # def perform(*args)
- # # raise ErrorLoadingSite if cannot scrape
- # end
- # end
- def retry_job(options={})
- enqueue options
- end
-
# Enqueues the job to be performed by the queue adapter.
#
# ==== Options
@@ -64,14 +39,14 @@ module ActiveJob
# my_job_instance.enqueue queue: :important
# my_job_instance.enqueue wait_until: Date.tomorrow.midnight
# my_job_instance.enqueue priority: 10
- def enqueue(options={})
+ def enqueue(options = {})
self.scheduled_at = options[:wait].seconds.from_now.to_f if options[:wait]
self.scheduled_at = options[:wait_until].to_f if options[:wait_until]
self.queue_name = self.class.queue_name_from_part(options[:queue]) if options[:queue]
self.priority = options[:priority].to_i if options[:priority]
run_callbacks :enqueue do
- if self.scheduled_at
- self.class.queue_adapter.enqueue_at self, self.scheduled_at
+ if scheduled_at
+ self.class.queue_adapter.enqueue_at self, scheduled_at
else
self.class.queue_adapter.enqueue self
end
diff --git a/activejob/lib/active_job/exceptions.rb b/activejob/lib/active_job/exceptions.rb
new file mode 100644
index 0000000000..c1b5d35313
--- /dev/null
+++ b/activejob/lib/active_job/exceptions.rb
@@ -0,0 +1,122 @@
+require "active_support/core_ext/numeric/time"
+
+module ActiveJob
+ # Provides behavior for retrying and discarding jobs on exceptions.
+ module Exceptions
+ extend ActiveSupport::Concern
+
+ module ClassMethods
+ # Catch the exception and reschedule job for re-execution after so many seconds, for a specific number of attempts.
+ # If the exception keeps getting raised beyond the specified number of attempts, the exception is allowed to
+ # bubble up to the underlying queuing system, which may have its own retry mechanism or place it in a
+ # holding queue for inspection.
+ #
+ # You can also pass a block that'll be invoked if the retry attempts fail for custom logic rather than letting
+ # the exception bubble up. This block is yielded with the job instance as the first and the error instance as the second parameter.
+ #
+ # ==== Options
+ # * <tt>:wait</tt> - Re-enqueues the job with a delay specified either in seconds (default: 3 seconds),
+ # as a computing proc that the number of executions so far as an argument, or as a symbol reference of
+ # <tt>:exponentially_longer</tt>, which applies the wait algorithm of <tt>(executions ** 4) + 2</tt>
+ # (first wait 3s, then 18s, then 83s, etc)
+ # * <tt>:attempts</tt> - Re-enqueues the job the specified number of times (default: 5 attempts)
+ # * <tt>:queue</tt> - Re-enqueues the job on a different queue
+ # * <tt>:priority</tt> - Re-enqueues the job with a different priority
+ #
+ # ==== Examples
+ #
+ # class RemoteServiceJob < ActiveJob::Base
+ # retry_on CustomAppException # defaults to 3s wait, 5 attempts
+ # retry_on AnotherCustomAppException, wait: ->(executions) { executions * 2 }
+ # retry_on(YetAnotherCustomAppException) do |job, exception|
+ # ExceptionNotifier.caught(exception)
+ # end
+ # retry_on ActiveRecord::Deadlocked, wait: 5.seconds, attempts: 3
+ # retry_on Net::OpenTimeout, wait: :exponentially_longer, attempts: 10
+ #
+ # def perform(*args)
+ # # Might raise CustomAppException, AnotherCustomAppException, or YetAnotherCustomAppException for something domain specific
+ # # Might raise ActiveRecord::Deadlocked when a local db deadlock is detected
+ # # Might raise Net::OpenTimeout when the remote service is down
+ # end
+ # end
+ def retry_on(exception, wait: 3.seconds, attempts: 5, queue: nil, priority: nil)
+ rescue_from exception do |error|
+ if executions < attempts
+ logger.error "Retrying #{self.class} in #{wait} seconds, due to a #{exception}. The original exception was #{error.cause.inspect}."
+ retry_job wait: determine_delay(wait), queue: queue, priority: priority
+ else
+ if block_given?
+ yield self, exception
+ else
+ logger.error "Stopped retrying #{self.class} due to a #{exception}, which reoccurred on #{executions} attempts. The original exception was #{error.cause.inspect}."
+ raise error
+ end
+ end
+ end
+ end
+
+ # Discard the job with no attempts to retry, if the exception is raised. This is useful when the subject of the job,
+ # like an Active Record, is no longer available, and the job is thus no longer relevant.
+ #
+ # ==== Example
+ #
+ # class SearchIndexingJob < ActiveJob::Base
+ # discard_on ActiveJob::DeserializationError
+ #
+ # def perform(record)
+ # # Will raise ActiveJob::DeserializationError if the record can't be deserialized
+ # end
+ # end
+ def discard_on(exception)
+ rescue_from exception do |error|
+ logger.error "Discarded #{self.class} due to a #{exception}. The original exception was #{error.cause.inspect}."
+ end
+ end
+ end
+
+ # Reschedules the job to be re-executed. This is useful in combination
+ # with the +rescue_from+ option. When you rescue an exception from your job
+ # you can ask Active Job to retry performing your job.
+ #
+ # ==== Options
+ # * <tt>:wait</tt> - Enqueues the job with the specified delay in seconds
+ # * <tt>:wait_until</tt> - Enqueues the job at the time specified
+ # * <tt>:queue</tt> - Enqueues the job on the specified queue
+ # * <tt>:priority</tt> - Enqueues the job with the specified priority
+ #
+ # ==== Examples
+ #
+ # class SiteScraperJob < ActiveJob::Base
+ # rescue_from(ErrorLoadingSite) do
+ # retry_job queue: :low_priority
+ # end
+ #
+ # def perform(*args)
+ # # raise ErrorLoadingSite if cannot scrape
+ # end
+ # end
+ def retry_job(options = {})
+ enqueue options
+ end
+
+ private
+ def determine_delay(seconds_or_duration_or_algorithm)
+ case seconds_or_duration_or_algorithm
+ when :exponentially_longer
+ (executions**4) + 2
+ when ActiveSupport::Duration
+ duration = seconds_or_duration_or_algorithm
+ duration.to_i
+ when Integer
+ seconds = seconds_or_duration_or_algorithm
+ seconds
+ when Proc
+ algorithm = seconds_or_duration_or_algorithm
+ algorithm.call(executions)
+ else
+ raise "Couldn't determine a delay based on #{seconds_or_duration_or_algorithm.inspect}"
+ end
+ end
+ end
+end
diff --git a/activejob/lib/active_job/execution.rb b/activejob/lib/active_job/execution.rb
index 4e4acfc2c2..94d30c8eaf 100644
--- a/activejob/lib/active_job/execution.rb
+++ b/activejob/lib/active_job/execution.rb
@@ -1,5 +1,5 @@
-require 'active_support/rescuable'
-require 'active_job/arguments'
+require "active_support/rescuable"
+require "active_job/arguments"
module ActiveJob
module Execution
@@ -31,6 +31,9 @@ module ActiveJob
def perform_now
deserialize_arguments_if_needed
run_callbacks :perform do
+ # Guard against jobs that were persisted before we started counting executions by zeroing out nil counters
+ self.executions = (executions || 0) + 1
+
perform(*arguments)
end
rescue => exception
diff --git a/activejob/lib/active_job/logging.rb b/activejob/lib/active_job/logging.rb
index d5c7920131..aa97ab2e22 100644
--- a/activejob/lib/active_job/logging.rb
+++ b/activejob/lib/active_job/logging.rb
@@ -1,7 +1,7 @@
-require 'active_support/core_ext/hash/transform_values'
-require 'active_support/core_ext/string/filters'
-require 'active_support/tagged_logging'
-require 'active_support/logger'
+require "active_support/core_ext/hash/transform_values"
+require "active_support/core_ext/string/filters"
+require "active_support/tagged_logging"
+require "active_support/logger"
module ActiveJob
module Logging #:nodoc:
@@ -18,7 +18,7 @@ module ActiveJob
around_perform do |job, block, _|
tag_logger(job.class.name, job.job_id) do
- payload = {adapter: job.class.queue_adapter, job: job}
+ payload = { adapter: job.class.queue_adapter, job: job }
ActiveSupport::Notifications.instrument("perform_start.active_job", payload.dup)
ActiveSupport::Notifications.instrument("perform.active_job", payload) do
block.call
@@ -41,7 +41,7 @@ module ActiveJob
def tag_logger(*tags)
if logger.respond_to?(:tagged)
tags.unshift "ActiveJob" unless logger_tagged_by_active_job?
- logger.tagged(*tags){ yield }
+ logger.tagged(*tags) { yield }
else
yield
end
@@ -51,70 +51,70 @@ module ActiveJob
logger.formatter.current_tags.include?("ActiveJob")
end
- class LogSubscriber < ActiveSupport::LogSubscriber #:nodoc:
- def enqueue(event)
- info do
- job = event.payload[:job]
- "Enqueued #{job.class.name} (Job ID: #{job.job_id}) to #{queue_name(event)}" + args_info(job)
+ class LogSubscriber < ActiveSupport::LogSubscriber #:nodoc:
+ def enqueue(event)
+ info do
+ job = event.payload[:job]
+ "Enqueued #{job.class.name} (Job ID: #{job.job_id}) to #{queue_name(event)}" + args_info(job)
+ end
end
- end
- def enqueue_at(event)
- info do
- job = event.payload[:job]
- "Enqueued #{job.class.name} (Job ID: #{job.job_id}) to #{queue_name(event)} at #{scheduled_at(event)}" + args_info(job)
+ def enqueue_at(event)
+ info do
+ job = event.payload[:job]
+ "Enqueued #{job.class.name} (Job ID: #{job.job_id}) to #{queue_name(event)} at #{scheduled_at(event)}" + args_info(job)
+ end
end
- end
- def perform_start(event)
- info do
- job = event.payload[:job]
- "Performing #{job.class.name} from #{queue_name(event)}" + args_info(job)
+ def perform_start(event)
+ info do
+ job = event.payload[:job]
+ "Performing #{job.class.name} from #{queue_name(event)}" + args_info(job)
+ end
end
- end
- def perform(event)
- info do
- job = event.payload[:job]
- "Performed #{job.class.name} from #{queue_name(event)} in #{event.duration.round(2)}ms"
+ def perform(event)
+ info do
+ job = event.payload[:job]
+ "Performed #{job.class.name} from #{queue_name(event)} in #{event.duration.round(2)}ms"
+ end
end
- end
- private
- def queue_name(event)
- event.payload[:adapter].class.name.demodulize.remove('Adapter') + "(#{event.payload[:job].queue_name})"
- end
+ private
+ def queue_name(event)
+ event.payload[:adapter].class.name.demodulize.remove("Adapter") + "(#{event.payload[:job].queue_name})"
+ end
- def args_info(job)
- if job.arguments.any?
- ' with arguments: ' +
- job.arguments.map { |arg| format(arg).inspect }.join(', ')
- else
- ''
+ def args_info(job)
+ if job.arguments.any?
+ " with arguments: " +
+ job.arguments.map { |arg| format(arg).inspect }.join(", ")
+ else
+ ""
+ end
end
- end
- def format(arg)
- case arg
- when Hash
- arg.transform_values { |value| format(value) }
- when Array
- arg.map { |value| format(value) }
- when GlobalID::Identification
- arg.to_global_id rescue arg
- else
- arg
+ def format(arg)
+ case arg
+ when Hash
+ arg.transform_values { |value| format(value) }
+ when Array
+ arg.map { |value| format(value) }
+ when GlobalID::Identification
+ arg.to_global_id rescue arg
+ else
+ arg
+ end
end
- end
- def scheduled_at(event)
- Time.at(event.payload[:job].scheduled_at).utc
- end
+ def scheduled_at(event)
+ Time.at(event.payload[:job].scheduled_at).utc
+ end
- def logger
- ActiveJob::Base.logger
- end
- end
+ def logger
+ ActiveJob::Base.logger
+ end
+ end
end
end
diff --git a/activejob/lib/active_job/queue_adapter.rb b/activejob/lib/active_job/queue_adapter.rb
index 72e4ebf935..bcc555d33e 100644
--- a/activejob/lib/active_job/queue_adapter.rb
+++ b/activejob/lib/active_job/queue_adapter.rb
@@ -1,6 +1,5 @@
-require 'active_job/queue_adapters/inline_adapter'
-require 'active_support/core_ext/class/attribute'
-require 'active_support/core_ext/string/inflections'
+require "active_job/queue_adapters/inline_adapter"
+require "active_support/core_ext/string/inflections"
module ActiveJob
# The <tt>ActiveJob::QueueAdapter</tt> module is used to load the
@@ -30,34 +29,24 @@ module ActiveJob
private
- def interpret_adapter(name_or_adapter_or_class)
- case name_or_adapter_or_class
- when Symbol, String
- ActiveJob::QueueAdapters.lookup(name_or_adapter_or_class).new
- else
- if queue_adapter?(name_or_adapter_or_class)
- name_or_adapter_or_class
- elsif queue_adapter_class?(name_or_adapter_or_class)
- ActiveSupport::Deprecation.warn "Passing an adapter class is deprecated " \
- "and will be removed in Rails 5.1. Please pass an adapter name " \
- "(.queue_adapter = :#{name_or_adapter_or_class.name.demodulize.remove('Adapter').underscore}) " \
- "or an instance (.queue_adapter = #{name_or_adapter_or_class.name}.new) instead."
- name_or_adapter_or_class.new
+ def interpret_adapter(name_or_adapter_or_class)
+ case name_or_adapter_or_class
+ when Symbol, String
+ ActiveJob::QueueAdapters.lookup(name_or_adapter_or_class).new
else
- raise ArgumentError
+ if queue_adapter?(name_or_adapter_or_class)
+ name_or_adapter_or_class
+ else
+ raise ArgumentError
+ end
end
end
- end
-
- QUEUE_ADAPTER_METHODS = [:enqueue, :enqueue_at].freeze
- def queue_adapter?(object)
- QUEUE_ADAPTER_METHODS.all? { |meth| object.respond_to?(meth) }
- end
+ QUEUE_ADAPTER_METHODS = [:enqueue, :enqueue_at].freeze
- def queue_adapter_class?(object)
- object.is_a?(Class) && QUEUE_ADAPTER_METHODS.all? { |meth| object.public_method_defined?(meth) }
- end
+ def queue_adapter?(object)
+ QUEUE_ADAPTER_METHODS.all? { |meth| object.respond_to?(meth) }
+ end
end
end
end
diff --git a/activejob/lib/active_job/queue_adapters.rb b/activejob/lib/active_job/queue_adapters.rb
index 71154d8785..c8eedb6156 100644
--- a/activejob/lib/active_job/queue_adapters.rb
+++ b/activejob/lib/active_job/queue_adapters.rb
@@ -8,7 +8,7 @@ module ActiveJob
# * {Qu}[https://github.com/bkeepers/qu]
# * {Que}[https://github.com/chanks/que]
# * {queue_classic}[https://github.com/QueueClassic/queue_classic]
- # * {Resque 1.x}[https://github.com/resque/resque/tree/1-x-stable]
+ # * {Resque}[https://github.com/resque/resque]
# * {Sidekiq}[http://sidekiq.org]
# * {Sneakers}[https://github.com/jondot/sneakers]
# * {Sucker Punch}[https://github.com/brandonhilkert/sucker_punch]
@@ -121,7 +121,7 @@ module ActiveJob
autoload :SuckerPunchAdapter
autoload :TestAdapter
- ADAPTER = 'Adapter'.freeze
+ ADAPTER = "Adapter".freeze
private_constant :ADAPTER
class << self
diff --git a/activejob/lib/active_job/queue_adapters/async_adapter.rb b/activejob/lib/active_job/queue_adapters/async_adapter.rb
index 922bc4afce..e2bff9e646 100644
--- a/activejob/lib/active_job/queue_adapters/async_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/async_adapter.rb
@@ -1,7 +1,7 @@
-require 'securerandom'
-require 'concurrent/scheduled_task'
-require 'concurrent/executor/thread_pool_executor'
-require 'concurrent/utility/processor_counter'
+require "securerandom"
+require "concurrent/scheduled_task"
+require "concurrent/executor/thread_pool_executor"
+require "concurrent/utility/processor_counter"
module ActiveJob
module QueueAdapters
diff --git a/activejob/lib/active_job/queue_adapters/backburner_adapter.rb b/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
index 17703e3e41..e3eccce62b 100644
--- a/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/backburner_adapter.rb
@@ -1,4 +1,4 @@
-require 'backburner'
+require "backburner"
module ActiveJob
module QueueAdapters
diff --git a/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb b/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb
index 0a785fad3b..83ad2e767d 100644
--- a/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/delayed_job_adapter.rb
@@ -1,4 +1,4 @@
-require 'delayed_job'
+require "delayed_job"
module ActiveJob
module QueueAdapters
diff --git a/activejob/lib/active_job/queue_adapters/qu_adapter.rb b/activejob/lib/active_job/queue_adapters/qu_adapter.rb
index 0e198922fc..e8994533e4 100644
--- a/activejob/lib/active_job/queue_adapters/qu_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/qu_adapter.rb
@@ -1,4 +1,4 @@
-require 'qu'
+require "qu"
module ActiveJob
module QueueAdapters
@@ -20,7 +20,7 @@ module ActiveJob
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
@@ -32,7 +32,7 @@ module ActiveJob
class JobWrapper < Qu::Job #:nodoc:
def initialize(job_data)
- @job_data = job_data
+ @job_data = job_data
end
def perform
diff --git a/activejob/lib/active_job/queue_adapters/que_adapter.rb b/activejob/lib/active_job/queue_adapters/que_adapter.rb
index ab13689747..0e698f0d79 100644
--- a/activejob/lib/active_job/queue_adapters/que_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/que_adapter.rb
@@ -1,4 +1,4 @@
-require 'que'
+require "que"
module ActiveJob
module QueueAdapters
diff --git a/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb b/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb
index 0ee41407d8..1115eb88ae 100644
--- a/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/queue_classic_adapter.rb
@@ -1,4 +1,4 @@
-require 'queue_classic'
+require "queue_classic"
module ActiveJob
module QueueAdapters
@@ -26,9 +26,9 @@ module ActiveJob
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.'
+ 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
qc_job = queue.enqueue_at(timestamp, "#{JobWrapper.name}.perform", job.serialize)
job.provider_job_id = qc_job["id"] if qc_job.is_a?(Hash)
diff --git a/activejob/lib/active_job/queue_adapters/resque_adapter.rb b/activejob/lib/active_job/queue_adapters/resque_adapter.rb
index 417854afd8..2df157ef89 100644
--- a/activejob/lib/active_job/queue_adapters/resque_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/resque_adapter.rb
@@ -1,12 +1,12 @@
-require 'resque'
-require 'active_support/core_ext/enumerable'
-require 'active_support/core_ext/array/access'
+require "resque"
+require "active_support/core_ext/enumerable"
+require "active_support/core_ext/array/access"
begin
- require 'resque-scheduler'
+ require "resque-scheduler"
rescue LoadError
begin
- require 'resque_scheduler'
+ require "resque_scheduler"
rescue LoadError
false
end
@@ -27,6 +27,7 @@ module ActiveJob
# Rails.application.config.active_job.queue_adapter = :resque
class ResqueAdapter
def enqueue(job) #:nodoc:
+ JobWrapper.instance_variable_set(:@queue, job.queue_name)
Resque.enqueue_to job.queue_name, JobWrapper, job.serialize
end
diff --git a/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb b/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb
index c321776bf5..895cc1f981 100644
--- a/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/sidekiq_adapter.rb
@@ -1,4 +1,4 @@
-require 'sidekiq'
+require "sidekiq"
module ActiveJob
module QueueAdapters
@@ -18,26 +18,26 @@ module ActiveJob
def enqueue(job) #:nodoc:
#Sidekiq::Client does not support symbols as keys
job.provider_job_id = Sidekiq::Client.push \
- 'class' => JobWrapper,
- 'wrapped' => job.class.to_s,
- 'queue' => job.queue_name,
- 'args' => [ job.serialize ]
+ "class" => JobWrapper,
+ "wrapped" => job.class.to_s,
+ "queue" => job.queue_name,
+ "args" => [ job.serialize ]
end
def enqueue_at(job, timestamp) #:nodoc:
job.provider_job_id = Sidekiq::Client.push \
- 'class' => JobWrapper,
- 'wrapped' => job.class.to_s,
- 'queue' => job.queue_name,
- 'args' => [ job.serialize ],
- 'at' => timestamp
+ "class" => JobWrapper,
+ "wrapped" => job.class.to_s,
+ "queue" => job.queue_name,
+ "args" => [ job.serialize ],
+ "at" => timestamp
end
class JobWrapper #:nodoc:
include Sidekiq::Worker
def perform(job_data)
- Base.execute job_data
+ Base.execute job_data.merge("provider_job_id" => jid)
end
end
end
diff --git a/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb b/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb
index d78bdecdcb..f00acfc04a 100644
--- a/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/sneakers_adapter.rb
@@ -1,5 +1,5 @@
-require 'sneakers'
-require 'monitor'
+require "sneakers"
+require "monitor"
module ActiveJob
module QueueAdapters
@@ -33,7 +33,7 @@ module ActiveJob
class JobWrapper #:nodoc:
include Sneakers::Worker
- from_queue 'default'
+ from_queue "default"
def work(msg)
job_data = ActiveSupport::JSON.decode(msg)
diff --git a/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb b/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
index 163c8eb212..dd59a79813 100644
--- a/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/sucker_punch_adapter.rb
@@ -1,4 +1,4 @@
-require 'sucker_punch'
+require "sucker_punch"
module ActiveJob
module QueueAdapters
@@ -31,7 +31,7 @@ module ActiveJob
delay = timestamp - Time.current.to_f
JobWrapper.perform_in delay, job.serialize
else
- raise NotImplementedError, 'sucker_punch 1.0 does not support `enqueued_at`. Please upgrade to version ~> 2.0.0 to enable this behavior.'
+ raise NotImplementedError, "sucker_punch 1.0 does not support `enqueued_at`. Please upgrade to version ~> 2.0.0 to enable this behavior."
end
end
diff --git a/activejob/lib/active_job/queue_adapters/test_adapter.rb b/activejob/lib/active_job/queue_adapters/test_adapter.rb
index 9b7b7139f4..da042cfebf 100644
--- a/activejob/lib/active_job/queue_adapters/test_adapter.rb
+++ b/activejob/lib/active_job/queue_adapters/test_adapter.rb
@@ -39,22 +39,22 @@ module ActiveJob
private
- def job_to_hash(job, extras = {})
- { job: job.class, args: job.serialize.fetch('arguments'), queue: job.queue_name }.merge!(extras)
- end
+ def job_to_hash(job, extras = {})
+ { job: job.class, args: job.serialize.fetch("arguments"), queue: job.queue_name }.merge!(extras)
+ end
- def enqueue_or_perform(perform, job, job_data)
- if perform
- performed_jobs << job_data
- Base.execute job.serialize
- else
- enqueued_jobs << job_data
+ def enqueue_or_perform(perform, job, job_data)
+ if perform
+ performed_jobs << job_data
+ Base.execute job.serialize
+ else
+ enqueued_jobs << job_data
+ end
end
- end
- def filtered?(job)
- filter && !Array(filter).include?(job.class)
- end
+ def filtered?(job)
+ filter && !Array(filter).include?(job.class)
+ end
end
end
end
diff --git a/activejob/lib/active_job/queue_name.rb b/activejob/lib/active_job/queue_name.rb
index 65786a49ff..352cf62424 100644
--- a/activejob/lib/active_job/queue_name.rb
+++ b/activejob/lib/active_job/queue_name.rb
@@ -16,7 +16,7 @@ module ActiveJob
# post.to_feed!
# end
# end
- def queue_as(part_name=nil, &block)
+ def queue_as(part_name = nil, &block)
if block_given?
self.queue_name = block
else
@@ -36,7 +36,7 @@ module ActiveJob
class_attribute :queue_name_delimiter, instance_accessor: false
self.queue_name = default_queue_name
- self.queue_name_delimiter = '_' # set default delimiter to '_'
+ self.queue_name_delimiter = "_" # set default delimiter to '_'
end
# Returns the name of the queue the job will be run on.
@@ -46,6 +46,5 @@ module ActiveJob
end
@queue_name
end
-
end
end
diff --git a/activejob/lib/active_job/queue_priority.rb b/activejob/lib/active_job/queue_priority.rb
index 01d84910ff..b02202fcc8 100644
--- a/activejob/lib/active_job/queue_priority.rb
+++ b/activejob/lib/active_job/queue_priority.rb
@@ -17,7 +17,7 @@ module ActiveJob
# end
#
# Specify either an argument or a block.
- def queue_with_priority(priority=nil, &block)
+ def queue_with_priority(priority = nil, &block)
if block_given?
self.priority = block
else
@@ -39,6 +39,5 @@ module ActiveJob
end
@priority
end
-
end
end
diff --git a/activejob/lib/active_job/railtie.rb b/activejob/lib/active_job/railtie.rb
index a47caa4a7e..4a8bf04d70 100644
--- a/activejob/lib/active_job/railtie.rb
+++ b/activejob/lib/active_job/railtie.rb
@@ -1,12 +1,12 @@
-require 'global_id/railtie'
-require 'active_job'
+require "global_id/railtie"
+require "active_job"
module ActiveJob
# = Active Job Railtie
class Railtie < Rails::Railtie # :nodoc:
config.active_job = ActiveSupport::OrderedOptions.new
- initializer 'active_job.logger' do
+ initializer "active_job.logger" do
ActiveSupport.on_load(:active_job) { self.logger = ::Rails.logger }
end
@@ -15,7 +15,7 @@ module ActiveJob
options.queue_adapter ||= :async
ActiveSupport.on_load(:active_job) do
- options.each { |k,v| send("#{k}=", v) }
+ options.each { |k, v| send("#{k}=", v) }
end
end
diff --git a/activejob/lib/active_job/test_case.rb b/activejob/lib/active_job/test_case.rb
index d894a7b5cd..a5ec45e4a7 100644
--- a/activejob/lib/active_job/test_case.rb
+++ b/activejob/lib/active_job/test_case.rb
@@ -1,7 +1,9 @@
-require 'active_support/test_case'
+require "active_support/test_case"
module ActiveJob
class TestCase < ActiveSupport::TestCase
include ActiveJob::TestHelper
+
+ ActiveSupport.run_load_hooks(:active_job_test_case, self)
end
end
diff --git a/activejob/lib/active_job/test_helper.rb b/activejob/lib/active_job/test_helper.rb
index e16af1947f..d01795f0c5 100644
--- a/activejob/lib/active_job/test_helper.rb
+++ b/activejob/lib/active_job/test_helper.rb
@@ -1,5 +1,5 @@
-require 'active_support/core_ext/class/subclasses'
-require 'active_support/core_ext/hash/keys'
+require "active_support/core_ext/class/subclasses"
+require "active_support/core_ext/hash/keys"
module ActiveJob
# Provides helper methods for testing Active Job
@@ -11,7 +11,7 @@ module ActiveJob
def before_setup # :nodoc:
test_adapter = queue_adapter_for_test
- @old_queue_adapters = (ActiveJob::Base.subclasses << ActiveJob::Base).select do |klass|
+ @old_queue_adapters = (ActiveJob::Base.descendants << ActiveJob::Base).select do |klass|
# only override explicitly set adapters, a quirk of `class_attribute`
klass.singleton_class.public_instance_methods(false).include?(:_queue_adapter)
end.map do |klass|
@@ -232,16 +232,16 @@ module ActiveJob
# MyJob.set(wait_until: Date.tomorrow.noon).perform_later
# end
# end
- def assert_enqueued_with(args = {})
+ def assert_enqueued_with(job: nil, args: nil, at: nil, queue: nil)
original_enqueued_jobs_count = enqueued_jobs.count
- args.assert_valid_keys(:job, :args, :at, :queue)
- serialized_args = serialize_args_for_assertion(args)
+ expected = { job: job, args: args, at: at, queue: queue }.compact
+ serialized_args = serialize_args_for_assertion(expected)
yield
in_block_jobs = enqueued_jobs.drop(original_enqueued_jobs_count)
- matching_job = in_block_jobs.find do |job|
- serialized_args.all? { |key, value| value == job[key] }
+ matching_job = in_block_jobs.find do |in_block_job|
+ serialized_args.all? { |key, value| value == in_block_job[key] }
end
- assert matching_job, "No enqueued job found with #{args}"
+ assert matching_job, "No enqueued job found with #{expected}"
instantiate_job(matching_job)
end
@@ -256,19 +256,38 @@ module ActiveJob
# MyJob.set(wait_until: Date.tomorrow.noon).perform_later
# end
# end
- def assert_performed_with(args = {})
+ def assert_performed_with(job: nil, args: nil, at: nil, queue: nil)
original_performed_jobs_count = performed_jobs.count
- args.assert_valid_keys(:job, :args, :at, :queue)
- serialized_args = serialize_args_for_assertion(args)
+ expected = { job: job, args: args, at: at, queue: queue }.compact
+ serialized_args = serialize_args_for_assertion(expected)
perform_enqueued_jobs { yield }
in_block_jobs = performed_jobs.drop(original_performed_jobs_count)
- matching_job = in_block_jobs.find do |job|
- serialized_args.all? { |key, value| value == job[key] }
+ matching_job = in_block_jobs.find do |in_block_job|
+ serialized_args.all? { |key, value| value == in_block_job[key] }
end
- assert matching_job, "No performed job found with #{args}"
+ assert matching_job, "No performed job found with #{expected}"
instantiate_job(matching_job)
end
+ # Performs all enqueued jobs in the duration of the block.
+ #
+ # def test_perform_enqueued_jobs
+ # perform_enqueued_jobs do
+ # MyJob.perform_later(1, 2, 3)
+ # end
+ # assert_performed_jobs 1
+ # end
+ #
+ # This method also supports filtering. If the +:only+ option is specified,
+ # then only the listed job(s) will be performed.
+ #
+ # def test_perform_enqueued_jobs_with_only
+ # perform_enqueued_jobs(only: MyJob) do
+ # MyJob.perform_later(1, 2, 3) # will be performed
+ # HelloJob.perform_later(1, 2, 3) # will not be perfomed
+ # end
+ # assert_performed_jobs 1
+ # end
def perform_enqueued_jobs(only: nil)
old_perform_enqueued_jobs = queue_adapter.perform_enqueued_jobs
old_perform_enqueued_at_jobs = queue_adapter.perform_enqueued_at_jobs
@@ -286,20 +305,25 @@ module ActiveJob
end
end
+ # Accesses the queue_adapter set by ActiveJob::Base.
+ #
+ # def test_assert_job_has_custom_queue_adapter_set
+ # assert_instance_of CustomQueueAdapter, HelloJob.queue_adapter
+ # end
def queue_adapter
ActiveJob::Base.queue_adapter
end
private
- def clear_enqueued_jobs # :nodoc:
+ def clear_enqueued_jobs
enqueued_jobs.clear
end
- def clear_performed_jobs # :nodoc:
+ def clear_performed_jobs
performed_jobs.clear
end
- def enqueued_jobs_size(only: nil) # :nodoc:
+ def enqueued_jobs_size(only: nil)
if only
enqueued_jobs.count { |job| Array(only).include?(job.fetch(:job)) }
else
@@ -307,14 +331,14 @@ module ActiveJob
end
end
- def serialize_args_for_assertion(args) # :nodoc:
+ def serialize_args_for_assertion(args)
args.dup.tap do |serialized_args|
serialized_args[:args] = ActiveJob::Arguments.serialize(serialized_args[:args]) if serialized_args[:args]
serialized_args[:at] = serialized_args[:at].to_f if serialized_args[:at]
end
end
- def instantiate_job(payload) # :nodoc:
+ def instantiate_job(payload)
job = payload[:job].new(*payload[:args])
job.scheduled_at = Time.at(payload[:at]) if payload.key?(:at)
job.queue_name = payload[:queue]
diff --git a/activejob/lib/active_job/version.rb b/activejob/lib/active_job/version.rb
index 971ba9fe0c..60b463817f 100644
--- a/activejob/lib/active_job/version.rb
+++ b/activejob/lib/active_job/version.rb
@@ -1,4 +1,4 @@
-require_relative 'gem_version'
+require_relative "gem_version"
module ActiveJob
# Returns the version of the currently loaded Active Job as a <tt>Gem::Version</tt>
diff --git a/activejob/lib/rails/generators/job/job_generator.rb b/activejob/lib/rails/generators/job/job_generator.rb
index 6e43e4a269..97c11a9ea6 100644
--- a/activejob/lib/rails/generators/job/job_generator.rb
+++ b/activejob/lib/rails/generators/job/job_generator.rb
@@ -1,13 +1,13 @@
-require 'rails/generators/named_base'
+require "rails/generators/named_base"
module Rails # :nodoc:
module Generators # :nodoc:
class JobGenerator < Rails::Generators::NamedBase # :nodoc:
- desc 'This generator creates an active job file at app/jobs'
+ desc "This generator creates an active job file at app/jobs"
- class_option :queue, type: :string, default: 'default', desc: 'The queue name for the generated job'
+ class_option :queue, type: :string, default: "default", desc: "The queue name for the generated job"
- check_class_collision suffix: 'Job'
+ check_class_collision suffix: "Job"
hook_for :test_framework
@@ -16,22 +16,22 @@ module Rails # :nodoc:
end
def create_job_file
- template 'job.rb', File.join('app/jobs', class_path, "#{file_name}_job.rb")
+ template "job.rb", File.join("app/jobs", class_path, "#{file_name}_job.rb")
in_root do
if self.behavior == :invoke && !File.exist?(application_job_file_name)
- template 'application_job.rb', application_job_file_name
+ template "application_job.rb", application_job_file_name
end
end
end
private
def application_job_file_name
- @application_job_file_name ||= if mountable_engine?
- "app/jobs/#{namespaced_path}/application_job.rb"
- else
- 'app/jobs/application_job.rb'
- end
+ @application_job_file_name ||= if mountable_engine?
+ "app/jobs/#{namespaced_path}/application_job.rb"
+ else
+ "app/jobs/application_job.rb"
+ end
end
end
end
diff --git a/activejob/lib/rails/generators/job/templates/application_job.rb b/activejob/lib/rails/generators/job/templates/application_job.rb
index 0b113b950e..f93745a31a 100644
--- a/activejob/lib/rails/generators/job/templates/application_job.rb
+++ b/activejob/lib/rails/generators/job/templates/application_job.rb
@@ -1,4 +1,9 @@
<% module_namespacing do -%>
class ApplicationJob < ActiveJob::Base
+ # Automatically retry jobs that encountered a deadlock
+ # retry_on ActiveRecord::Deadlocked
+
+ # Most jobs are safe to ignore if the underlying records are no longer available
+ # discard_on ActiveJob::DeserializationError
end
<% end -%>