lib/celluloid/internals/handlers.rb
require "set"
module Celluloid
module Internals
class Handlers
def initialize
@handlers = Set.new
end
def handle(*patterns, &block)
patterns.each do |pattern|
handler = Handler.new pattern, block
@handlers << handler
end
end
# Handle incoming messages
def handle_message(message)
handler = @handlers.find { |h| h.match(message) }
handler.call(message) if handler
handler
end
end
# Methods blocking on a call to receive
class Handler
def initialize(pattern, block)
@pattern = pattern
@block = block
end
# Match a message with this receiver's block
def match(message)
@pattern === message
end
def call(message)
@block.call message
end
end
end
end