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Ruby Ractor multiple worker example
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#!/usr/bin/env ruby | |
class Upcaser | |
def process(string) | |
string.upcase | |
end | |
end | |
class Downcaser | |
def process(string) | |
string.downcase | |
end | |
end | |
Consumers = [Upcaser, Downcaser] | |
# Setup the consuming Ractors | |
consumers = Consumers.map do |consumer| | |
Ractor.new consumer do |consumer| | |
Ractor.yield consumer.new.process(Ractor.recv) | |
end | |
end | |
word = ARGV[0] | |
# publish the message to the consumers | |
consumers.map { |con| | |
Ractor.new con, word do |con, word| | |
con << word | |
end | |
} | |
# wait for consumer ractors to process messages | |
# delete them when work returned from ractor | |
until consumers.empty? do | |
r, output = Ractor.select(*consumers) | |
consumers.delete(r) | |
puts output | |
end |
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