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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
#
ACT_FOLLOW = 'follow'.freeze
#
class Board < Door
#
# creates a Board object from the arguments.
#
# @param [String] n the name of this Board
# @param [Iota] p the parent
#
def initialize n, p
super n, p
@postponed = {}
end
#
# called by JSON#generate to serialize the Board object into JSON data
#
# @param [Array] a belongs to JSON generator
#
def to_json *a
{
'kls' => self.class.name,
'name' => @name,
'postponed' => @postponed
}.merge(hibernate!).to_json *a
end
#
# creates a Board 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
board = self.new o['name'], o['parent']
o['postponed'].each do |link_value,particle|
board.process_p Edoors::Particle.json_create(particle.merge!('spin'=>board.spin))
end
board.resume! o
board
end
#
# process the given particle then forward it to user code
#
# @param [Particle] p the Particle to be processed
#
def process_p p
@viewer.receive_p p if @viewer
if p.action!=Edoors::ACT_ERROR
p2 = @postponed[p.link_value] ||= p
return if p2==p
@postponed.delete p.link_value
p,p2 = p2,p if p.action==Edoors::ACT_FOLLOW
p.merge! p2
end
@saved = p
receive_p p
_garbage if not @saved.nil?
end
#
end
#
end
#
# EOF
|
