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Contents
module Startback
class Bus
module Memory
#
# Asynchronous implementation of the Bus abstraction, for use between
# components sharing the same process.
#
# This implementation actually calls listeners synchronously (it mays)
# but hides error raised by them. See Bus::Bunny::Async for another
# implementation that is truly asynchronous and relies on RabbitMQ.
#
class Async
include Support::Robustness
DEFAULT_OPTIONS = {
}
def initialize(options = {})
@options = DEFAULT_OPTIONS.merge(options)
@listeners = {}
end
def emit(event)
(@listeners[event.type.to_s] || []).each do |l|
stop_errors(self, "emit", event) {
l.call(event)
}
end
end
def listen(type, processor = nil, listener = nil, &bl)
raise ArgumentError, "A listener must be provided" unless listener || bl
@listeners[type.to_s] ||= []
@listeners[type.to_s] << (listener || bl)
end
end # class Sync
end # module Memory
end # class Bus
end # module Klaro
Version data entries
26 entries across 26 versions & 1 rubygems