Class: FiberStream::RactorProducerGroup

Inherits:
Object
  • Object
show all
Defined in:
lib/fiber_stream/ractor_producer.rb

Overview

Builder passed to ‘Source.ractor_merge_producers`.

Each ‘producer` call records one lazily started owned producer definition. Registration validates producer block isolation and transfer policy but does not create Ractor ports or start producer code.

Instance Method Summary collapse

Constructor Details

#initialize(default_transfer) ⇒ RactorProducerGroup

Returns a new instance of RactorProducerGroup.



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# File 'lib/fiber_stream/ractor_producer.rb', line 147

def initialize(default_transfer)
  @default_transfer = default_transfer
  @definitions = []
end

Instance Method Details

#definitions ⇒ Object 



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# File 'lib/fiber_stream/ractor_producer.rb', line 163

def definitions
  @definitions.dup.freeze
end

#producer(*args, transfer: nil, &block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/fiber_stream/ractor_producer.rb', line 152

def producer(*args, transfer: nil, &block)
  raise ArgumentError, "missing block" unless block
  unless transfer.nil? || [:copy, :move].include?(transfer)
    raise ArgumentError, "transfer must be :copy or :move"
  end
  raise TypeError, "block must be shareable" unless Ractor.shareable?(block)

  @definitions << Definition.new(args:, transfer: transfer || @default_transfer, block:)
  self
end