Class: Shikibu::Worker

Inherits:
Object
  • Object
show all
Defined in:
lib/shikibu/worker.rb

Overview

Background worker for workflow processing

Constant Summary collapse

WORKFLOW_POLL_INTERVAL = 
1
TIMER_CHECK_INTERVAL = 
10
STALE_LOCK_INTERVAL = 
60
MESSAGE_CHECK_INTERVAL = 
5
MESSAGE_CLEANUP_INTERVAL =

1 hour

3600
DEFAULT_MESSAGE_RETENTION_DAYS = 
7

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Worker

Returns a new instance of Worker.



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# File 'lib/shikibu/worker.rb', line 15

def initialize(app)
  @app = app
  @storage = app.storage
  @worker_id = app.worker_id
  @running = false
  @threads = []
  @is_leader = false
  @leader_tasks = []

  # Wake events for NOTIFY integration
  @resume_wake_event = Notify::WakeEvent.new
  @message_wake_event = Notify::WakeEvent.new
  @outbox_wake_event = Notify::WakeEvent.new
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/shikibu/worker.rb', line 13

def app
  @app
end

#message_wake_event ⇒ Object (readonly)

Returns the value of attribute message_wake_event.



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# File 'lib/shikibu/worker.rb', line 13

def message_wake_event
  @message_wake_event
end

#outbox_wake_event ⇒ Object (readonly)

Returns the value of attribute outbox_wake_event.



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# File 'lib/shikibu/worker.rb', line 13

def outbox_wake_event
  @outbox_wake_event
end

#resume_wake_event ⇒ Object (readonly)

Returns the value of attribute resume_wake_event.



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# File 'lib/shikibu/worker.rb', line 13

def resume_wake_event
  @resume_wake_event
end

#storage ⇒ Object (readonly)

Returns the value of attribute storage.



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# File 'lib/shikibu/worker.rb', line 13

def storage
  @storage
end

#worker_id ⇒ Object (readonly)

Returns the value of attribute worker_id.



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# File 'lib/shikibu/worker.rb', line 13

def worker_id
  @worker_id
end

Instance Method Details

#leader? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shikibu/worker.rb', line 54

def leader?
  @is_leader
end

#running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shikibu/worker.rb', line 50

def running?
  @running
end

#start ⇒ Object 



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# File 'lib/shikibu/worker.rb', line 30

def start
  return if @running

  @running = true

  # All workers run these
  @threads << Thread.new { run_workflow_resumption }
  @threads << Thread.new { run_message_delivery }

  # Leader election and leader-only tasks
  @threads << Thread.new { run_leader_election }
end

#stop ⇒ Object 



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# File 'lib/shikibu/worker.rb', line 43

def stop
  @running = false
  stop_leader_tasks
  @threads.each { |t| t.join(5) }
  @threads.clear
end