Class: Concurrent::Actor::Behaviour::SetResults

Inherits:
Abstract
  • Object
show all
Defined in:
lib-edge/concurrent/actor/behaviour/sets_results.rb

Overview

Collects returning value and sets the ResolvableFuture in the Envelope or error on failure.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(core, subsequent, core_options, error_strategy) ⇒ SetResults

Returns a new instance of SetResults.



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# File 'lib-edge/concurrent/actor/behaviour/sets_results.rb', line 8

def initialize(core, subsequent, core_options, error_strategy)
  super core, subsequent, core_options
  @error_strategy = Match! error_strategy, :just_log, :terminate!, :pause!
end

Instance Attribute Details

#error_strategy ⇒ undocumented (readonly) 



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# File 'lib-edge/concurrent/actor/behaviour/sets_results.rb', line 6

def error_strategy
  @error_strategy
end

Instance Method Details

#on_envelope(envelope) ⇒ undocumented 



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# File 'lib-edge/concurrent/actor/behaviour/sets_results.rb', line 13

def on_envelope(envelope)
  result = pass envelope
  if result != MESSAGE_PROCESSED && !envelope.future.nil?
    envelope.future.fulfill result
    log(DEBUG) { "finished processing of #{envelope.message.inspect}"}
  end
  nil
rescue => error
  log ERROR, error
  case error_strategy
  when :terminate!
    terminate!
  when :pause!
    behaviour!(Pausing).pause!(error)
  when :just_log
    # nothing
  else
    raise
  end
  envelope.future.reject error unless envelope.future.nil?
end