Class: GoodJob::Batch

Inherits:
Object
  • Object
show all
Includes:
GlobalID::Identification
Defined in:
app/models/good_job/batch.rb

Overview

NOTE: This class delegates to BatchRecord and is intended to be the public interface for Batches.

Constant Summary collapse

PROTECTED_PROPERTIES = 
%i[
  on_finish
  on_success
  on_discard
  callback_queue_name
  callback_priority
  description
  properties
].freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_record: nil, **properties) ⇒ Batch

rubocop:disable Lint/UnderscorePrefixedVariableName



86
87
88
89
 
# File 'app/models/good_job/batch.rb', line 86

def initialize(_record: nil, **properties) # rubocop:disable Lint/UnderscorePrefixedVariableName
  self.record = _record || BatchRecord.new
  assign_properties(properties)
end

Class Method Details

.enqueue(active_jobs = [], **properties, &block) ⇒ GoodJob::BatchRecord

Create a new batch and enqueue it

Parameters:

  • properties (Hash) —

    Additional properties to be stored on the batch

  • block (Proc) —

    Enqueue jobs within the block to add them to the batch

Returns:



58
59
60
61
62
 
# File 'app/models/good_job/batch.rb', line 58

def self.enqueue(active_jobs = [], **properties, &block)
  new.tap do |batch|
    batch.enqueue(active_jobs, **properties, &block)
  end
end

.find(id) ⇒ Object 



68
69
70
 
# File 'app/models/good_job/batch.rb', line 68

def self.find(id)
  new _record: BatchRecord.find(id)
end

.primary_key ⇒ Object 



64
65
66
 
# File 'app/models/good_job/batch.rb', line 64

def self.primary_key
  :id
end

.within_thread(batch_id: nil, batch_callback_id: nil) ⇒ Object

Helper method to enqueue jobs and assign them to a batch



73
74
75
76
77
78
79
80
81
82
83
84
 
# File 'app/models/good_job/batch.rb', line 73

def self.within_thread(batch_id: nil, batch_callback_id: nil)
  original_batch_id = current_batch_id
  original_batch_callback_id = current_batch_callback_id

  self.current_batch_id = batch_id
  self.current_batch_callback_id = batch_callback_id

  yield
ensure
  self.current_batch_id = original_batch_id
  self.current_batch_callback_id = original_batch_callback_id
end

Instance Method Details

#_record ⇒ Object 



178
179
180
 
# File 'app/models/good_job/batch.rb', line 178

def _record
  record
end

#active_jobs ⇒ Object 



163
164
165
 
# File 'app/models/good_job/batch.rb', line 163

def active_jobs
  record.jobs.map(&:active_job)
end

#add(active_jobs = nil, &block) ⇒ Array<ActiveJob::Base>

Enqueue jobs and add them to the batch

Parameters:

  • block (Proc) —

    Enqueue jobs within the block to add them to the batch

Returns:

  • (Array<ActiveJob::Base>) —

    Active jobs added to the batch



132
133
134
135
136
137
138
139
140
141
142
143
144
 
# File 'app/models/good_job/batch.rb', line 132

def add(active_jobs = nil, &block)
  record.save if record.new_record?

  buffer = Bulk::Buffer.new
  buffer.add(active_jobs)
  buffer.capture(&block) if block

  self.class.within_thread(batch_id: id) do
    buffer.enqueue
  end

  buffer.active_jobs
end

#assign_properties(properties) ⇒ Object 



171
172
173
174
175
176
 
# File 'app/models/good_job/batch.rb', line 171

def assign_properties(properties)
  properties = properties.dup
  batch_attrs = PROTECTED_PROPERTIES.index_with { |key| properties.delete(key) }.compact
  record.assign_attributes(batch_attrs)
  self.properties.merge!(properties)
end

#callback_active_jobs ⇒ Object 



167
168
169
 
# File 'app/models/good_job/batch.rb', line 167

def callback_active_jobs
  record.callback_jobs.map(&:active_job)
end

#enqueue(active_jobs = [], **properties, &block) ⇒ Array<ActiveJob::Base>

Returns Active jobs added to the batch.

Returns:

  • (Array<ActiveJob::Base>) —

    Active jobs added to the batch



92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
 
# File 'app/models/good_job/batch.rb', line 92

def enqueue(active_jobs = [], **properties, &block)
  assign_properties(properties)
  if record.new_record?
    record.save!
  else
    record.transaction do
      record.with_advisory_lock(function: "pg_advisory_xact_lock") do
        record.enqueued_at_will_change!
        record.jobs_finished_at_will_change! if GoodJob::BatchRecord.jobs_finished_at_migrated?
        record.finished_at_will_change!

        update_attributes = { discarded_at: nil, finished_at: nil }
        update_attributes[:jobs_finished_at] = nil if GoodJob::BatchRecord.jobs_finished_at_migrated?
        record.update!(**update_attributes)
      end
    end
  end

  active_jobs = add(active_jobs, &block)

  Rails.application.executor.wrap do
    buffer = GoodJob::Adapter::InlineBuffer.capture do
      record.transaction do
        record.with_advisory_lock(function: "pg_advisory_xact_lock") do
          record.update!(enqueued_at: Time.current)

          # During inline execution, this could enqueue and execute further jobs
          record._continue_discard_or_finish(lock: false)
        end
      end
    end
    buffer.call
  end

  active_jobs
end

#retry ⇒ Object 



146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
 
# File 'app/models/good_job/batch.rb', line 146

def retry
  Rails.application.executor.wrap do
    buffer = GoodJob::Adapter::InlineBuffer.capture do
      record.transaction do
        record.with_advisory_lock(function: "pg_advisory_xact_lock") do
          update_attributes = { discarded_at: nil, finished_at: nil }
          update_attributes[:jobs_finished_at] = nil if GoodJob::BatchRecord.jobs_finished_at_migrated?
          record.update!(update_attributes)
          record.jobs.discarded.each(&:retry_job)
          record._continue_discard_or_finish(lock: false)
        end
      end
    end
    buffer.call
  end
end