Class: Ductwork::Processes::PipelineAdvancer

Inherits:
Object
  • Object
show all
Defined in:
lib/ductwork/processes/pipeline_advancer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, index = nil) ⇒ PipelineAdvancer

Returns a new instance of PipelineAdvancer.



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 8

def initialize(klass, index = nil)
  @klass = klass
  @index = index || 0
  @running_context = nil
  @last_heartbeat_at = Time.current
  @thread = nil
end

Instance Attribute Details

#branch ⇒ Object (readonly)

Returns the value of attribute branch.



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 6

def branch
  @branch
end

#last_heartbeat_at ⇒ Object (readonly)

Returns the value of attribute last_heartbeat_at.



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 6

def last_heartbeat_at
  @last_heartbeat_at
end

#thread ⇒ Object (readonly)

Returns the value of attribute thread.



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 6

def thread
  @thread
end

Instance Method Details

#alive? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 34

def alive?
  thread&.alive? || false
end

#join(limit) ⇒ Object 



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 51

def join(limit)
  thread&.join(limit)
end

#kill ⇒ Object 



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 46

def kill
  stop
  thread&.kill
end

#name ⇒ Object 



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 55

def name
  "ductwork.pipeline_advancer.#{klass}.#{index}"
end

#restart ⇒ Object 



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 27

def restart
  return false if alive?

  cleanup_dead_thread!
  start
end

#start ⇒ Object 



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 16

def start
  return false if alive?

  @running_context = Ductwork::RunningContext.new
  @last_heartbeat_at = Time.current
  @thread = Thread.new { work_loop }
  @thread.name = name

  true
end

#stop ⇒ Object 



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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 42

def stop
  running_context&.shutdown!
end

#stuck? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ductwork/processes/pipeline_advancer.rb', line 38

def stuck?
  branch.nil? && last_heartbeat_too_long_ago?
end