86 lines
2.9 KiB
Ruby
86 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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require "active_job/arguments"
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module ActiveJob
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# Provides behavior for enqueuing jobs.
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# Can be raised by adapters if they wish to communicate to the caller a reason
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# why the adapter was unexpectedly unable to enqueue a job.
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class EnqueueError < StandardError; end
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module Enqueuing
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extend ActiveSupport::Concern
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# Includes the +perform_later+ method for job initialization.
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module ClassMethods
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# Push a job onto the queue. By default the arguments must be either String,
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# Integer, Float, NilClass, TrueClass, FalseClass, BigDecimal, Symbol, Date,
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# Time, DateTime, ActiveSupport::TimeWithZone, ActiveSupport::Duration,
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# Hash, ActiveSupport::HashWithIndifferentAccess, Array or
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# GlobalID::Identification instances, although this can be extended by adding
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# custom serializers.
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#
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# Returns an instance of the job class queued with arguments available in
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# Job#arguments or false if the enqueue did not succeed.
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#
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# After the attempted enqueue, the job will be yielded to an optional block.
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def perform_later(...)
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job = job_or_instantiate(...)
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enqueue_result = job.enqueue
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yield job if block_given?
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enqueue_result
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end
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private
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def job_or_instantiate(*args) # :doc:
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args.first.is_a?(self) ? args.first : new(*args)
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end
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ruby2_keywords(:job_or_instantiate) if respond_to?(:ruby2_keywords, true)
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end
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# Enqueues the job to be performed by the queue adapter.
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#
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# ==== Options
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# * <tt>:wait</tt> - Enqueues the job with the specified delay
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# * <tt>:wait_until</tt> - Enqueues the job at the time specified
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# * <tt>:queue</tt> - Enqueues the job on the specified queue
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# * <tt>:priority</tt> - Enqueues the job with the specified priority
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#
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# ==== Examples
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#
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# my_job_instance.enqueue
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# my_job_instance.enqueue wait: 5.minutes
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# my_job_instance.enqueue queue: :important
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# my_job_instance.enqueue wait_until: Date.tomorrow.midnight
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# my_job_instance.enqueue priority: 10
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def enqueue(options = {})
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self.scheduled_at = options[:wait].seconds.from_now.to_f if options[:wait]
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self.scheduled_at = options[:wait_until].to_f if options[:wait_until]
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self.queue_name = self.class.queue_name_from_part(options[:queue]) if options[:queue]
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self.priority = options[:priority].to_i if options[:priority]
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self.successfully_enqueued = false
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run_callbacks :enqueue do
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if scheduled_at
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queue_adapter.enqueue_at self, scheduled_at
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else
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queue_adapter.enqueue self
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end
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self.successfully_enqueued = true
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rescue EnqueueError => e
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self.enqueue_error = e
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end
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if successfully_enqueued?
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self
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else
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false
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end
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end
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end
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end
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