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|
#! /usr/bin/env ruby
# -*- coding: UTF-8 -*-
#
# Copyright 2012 Jérémy Zurcher <jeremy@asynk.ch>
#
# This file is part of edoors-ruby.
#
# edoors-ruby is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# edoors-ruby is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with edoors-ruby. If not, see <http://www.gnu.org/licenses/>.
#
module Edoors
#
class Door < Iota
#
# creates a Door object from the arguments.
#
# @param [String] n the name of this Door
# @param [Iota] p the parent
#
def initialize n, p
super n, p
@saved = nil
end
#
# called by JSON#generate to serialize the Door object into JSON data
#
# @param [Array] a belongs to JSON generator
#
def to_json *a
{
'kls' => self.class.name,
'name' => @name
}.merge(hibernate!).to_json *a
end
#
# creates a Door object from a JSON data
#
# @param [Hash] o belongs to JSON parser
#
# @raise Edoors::Exception if the json kls attribute is wrong
#
def self.json_create o
raise Edoors::Exception.new "JSON #{o['kls']} != #{self.name}" if o['kls'] != self.name
door = self.new o['name'], o['parent']
door.resume! o
door
end
#
# require a Particle of the given class
#
# @param [Class] p_kls the class of the desired Particle
#
def require_p p_kls=Edoors::Particle
@spin.require_p p_kls
end
#
# release the given Particle
#
# @param [Particle] p the Particle to be released
#
def release_p p
@saved=nil if @saved==p # particle is released, all is good
@spin.release_p p
end
#
# release the Particle that have not been released or sent by user code
#
def _garbage
puts " ! #{path} didn't give back #{@saved}" if @spin.debug_garbage
puts "\t#{@saved.data Edoors::FIELD_ERROR_MSG}" if @saved.action==Edoors::ACT_ERROR
@spin.release_p @saved
@saved = nil
end
private :_garbage
#
# process the given particle then forward it to user code
#
# @param [Particle] p the Particle to be forwarded to user code
#
def process_p p
@viewer.receive_p p if @viewer
@saved = p
receive_p p
_garbage if not @saved.nil?
end
#
# dead end, for now user defined Door do not have to deal with system Particle
# the Particle is released
#
# @param [Particle] p the Particle to deal with
#
def process_sys_p p
# nothing todo with it now
@spin.release_p p
end
#
# send the given Particle through the direct @parent
#
# @param [Particle] p the Particle to be sent
# @param [Boolean] sys if true send to system Particle fifo
# @param [String] a the post action
# @param [Iota] d the post destination
#
def _send p, sys, a, d
p.init! self
p.set_dst! a, d||self if a
@saved=nil if @saved==p # particle is sent back the data, all is good
# daddy will know what to do
sys ? @parent.send_sys_p(p) : @parent.send_p(p)
end
private :_send
#
# send the given Particle to the user fifo
#
# @param [Particle] p the Particle to be sent
# @param [String] a the post action
# @param [Iota] d the post destination
#
# @see Door#_send real implementation
#
def send_p p, a=nil, d=nil
_send p, false, a, d
end
#
# send the given Particle to the system fifo
#
# @param [Particle] p the Particle to be sent
# @param [String] a the post action
# @param [Iota] d the post destination
#
# @see Door#_send real implementation
#
def send_sys_p p, a=nil, d=nil
_send p, true, a, d
end
#
end
#
end
#
# EOF
|
