Class: Smith::Workflow::Parallel

Inherits:
Object
  • Object
show all
Defined in:
lib/smith/workflow/parallel.rb

Defined Under Namespace

Classes: CancellationSignal

Class Method Summary collapse

Class Method Details

.execute(branches:) ⇒ Object 



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# File 'lib/smith/workflow/parallel.rb', line 27

def self.execute(branches:)
  signal = CancellationSignal.new

  futures = branches.map do |branch|
    Concurrent::Promises.future(branch, signal) do |b, s|
      b.call(s)
    rescue StandardError
      s.cancel!
      raise
    end
  end

  fulfilled, values, reasons = Concurrent::Promises.zip(*futures).result

  unless fulfilled
    error = reasons.compact.first
    raise error
  end

  values
end

.resolve_branch_count(transition, context) ⇒ Object 



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# File 'lib/smith/workflow/parallel.rb', line 22

def self.resolve_branch_count(transition, context)
  count = transition.agent_opts[:count]
  count.respond_to?(:call) ? count.call(context) : (count || 1)
end