Sha256: 8e0a0ee75bb52255ec49946b4b5f795ed4d167bdf8b134f138977877e976dcf8
Contents?: true
Size: 1.27 KB
Versions: 7
Compression:
Stored size: 1.27 KB
Contents
# frozen_string_literal: true
module Mutant
# A minimal actor implementation
module Actor
# Error raised when actor signalling protocol is violated
class ProtocolError < RuntimeError
end # ProtocolError
# Undefined message payload
Undefined = Class.new do
INSPECT = 'Mutant::Actor::Undefined'.freeze
# Object inspection
#
# @return [String]
def inspect
INSPECT
end
end.new
# Message being exchanged between actors
class Message
include Concord::Public.new(:type, :payload)
# New message
#
# @param [Symbol] type
# @param [Object] payload
#
# @return [Message]
def self.new(_type, _payload = Undefined)
super
end
end # Message
# Binding to other actors sender for simple RPC
class Binding
include Concord.new(:mailbox, :other)
# Send message and wait for reply
#
# @param [Symbol] type
#
# @return [Object]
def call(type)
other.call(Message.new(type, mailbox.sender))
message = mailbox.receiver.call
fail ProtocolError, "Expected #{type} but got #{message.type}" unless type.equal?(message.type)
message.payload
end
end # Binding
end # Actor
end # Mutant
Version data entries
7 entries across 7 versions & 1 rubygems