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|
#! /usr/bin/env ruby
# -*- coding: UTF-8 -*-
#
# from the project top directory :
#
# run this script which builds the example system and spin it untill it's empty:
# $ ruby -Ilib examples/hello_world.rb
#
# or load the system from a JSON specification ( created with spin.hibernate! )
# $ ruby -Ilib bin/edoors.rb -r examples/hello_world.rb examples/hello_world.json
#
require 'edoors'
#
class InputDoor < Edoors::Door
#
def start!
# stimulate myself on system boot up
# if an action is set, but no destination is, it will be self.
# see Door#_send
send_p require_p(Edoors::Particle), Edoors::ACT_GET
end
#
def receive_p p
if p.action==Edoors::ACT_GET
# if desired (not needed here), call reset! to clear particle's data,
# meaning merge particle, payload, destinations
# see Particle#reset!
p.reset!
# manipulate the particle's payload
p.set_data 'txt', "hello world"
# will follow the non conditional link.
# see Room#_send and Room#_try_links
send_p p
else
# we can release it or let the Door do it.
# see Door#process_p
release_p p
end
end
#
end
#
class OutputDoor < Edoors::Door
#
def receive_p p
if p.action!=Edoors::ACT_ERROR
puts p.get_data('txt')
end
# let the door release the particle
# see Door#process_p
end
#
end
#
if $0 == __FILE__
#
# This will schedule the particles and act as the top level Room
dom0 = Edoors::Spin.new 'dom0'
# This will feed a receive particle with data and send it back
input = InputDoor.new 'input', dom0
# This will output the receive data and let the system recycle the particle
output = OutputDoor.new 'output', dom0
# This will be the unconditinal link leading from 'input' to 'output'
dom0.add_link Edoors::Link.new('input', 'output', nil, nil, nil)
#
# schedule the spinning particles untill the system cools down
dom0.spin!
#
end
#
# EOF
|
