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Showing content from http://ruby-concurrency.github.io/concurrent-ruby/master/Concurrent/Actor/Behaviour/SetResults.html below:

Class: Concurrent::Actor::Behaviour::SetResults — Concurrent Ruby

Inherits:

Abstract

• Object
• Abstract
• Concurrent::Actor::Behaviour::SetResults

show all

Defined in:

lib/concurrent-ruby-edge/concurrent/actor/behaviour/sets_results.rb

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

• #error_strategy ⇒ undocumented readonly

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

  A new instance of SetResults.

• #on_envelope(envelope) ⇒ undocumented

Returns a new instance of SetResults.

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# File 'lib/concurrent-ruby-edge/concurrent/actor/behaviour/sets_results.rb', line 10

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

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

def error_strategy
  @error_strategy
end

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# File 'lib/concurrent-ruby-edge/concurrent/actor/behaviour/sets_results.rb', line 15

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
      else
    raise
  end
  envelope.future.reject error unless envelope.future.nil?
end

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