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-rw-r--r--examples/data.json4
-rw-r--r--examples/links.rb97
2 files changed, 101 insertions, 0 deletions
diff --git a/examples/data.json b/examples/data.json
new file mode 100644
index 0000000..4da5b6f
--- /dev/null
+++ b/examples/data.json
@@ -0,0 +1,4 @@
+{"name":"Jérémy","age":34,"sex":"m"}
+{"name":"Corina","age":30,"sex":"f"}
+{"name":"Róisín","age":3,"sex":"f"}
+{"name":"Shaunagh","age":1,"sex":"f"}
diff --git a/examples/links.rb b/examples/links.rb
new file mode 100644
index 0000000..ae3293c
--- /dev/null
+++ b/examples/links.rb
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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/links.rb
+#
+require 'edoors'
+#
+class FileReader < Edoors::Door
+ #
+ def initialize n, p, path
+ super n, p
+ @file = File.open(path,'r')
+ end
+ #
+ def start!
+ # stimulate myself on system boot up
+ send_p require_p(Edoors::Particle), Edoors::ACT_GET
+ end
+ #
+ def receive_p p
+ if p.action==Edoors::ACT_GET
+ # stop everything if EOF reached
+ return if @file.eof?
+ p.set_data 'person', JSON.load(@file.readline)
+ # will follow the non conditional link.
+ # see Room#_send and Room#_try_links
+ send_p p
+ # stimulate myself
+ start!
+ end
+ end
+ #
+end
+#
+class Filter < Edoors::Door
+ #
+ def initialize n, p, &block
+ super n, p
+ @filter = block
+ end
+ #
+ def receive_p p
+ if p.action!=Edoors::ACT_ERROR
+ # apply the filter
+ @filter.call p
+ # will follow the conditional link.
+ # see Room#_send and Room#_try_links
+ send_p p
+ end
+ end
+ #
+end
+#
+class OutputDoor < Edoors::Door
+ #
+ def initialize n, p, t
+ super n, p
+ @title = t
+ end
+ #
+ def receive_p p
+ if p.action!=Edoors::ACT_ERROR
+ p = p.get_data('person')
+ puts "#{p['name']} is a #{p['age']} year(s) old #{@title}"
+ end
+ end
+ #
+end
+#
+if $0 == __FILE__
+ # basic setup, see hello_world.rb
+ dom0 = Edoors::Spin.new 'dom0'
+ #
+ FileReader.new 'input', dom0, './examples/data.json'
+ Filter.new('age_filter', dom0) { |p| p['old'] = (p['person']['age']>=30); p['sex']=p['person']['sex'] }
+ OutputDoor.new 'output_f', dom0, 'woman'
+ OutputDoor.new 'output_m', dom0, 'man'
+ OutputDoor.new 'output_child', dom0, 'child'
+ OutputDoor.new 'output_parent', dom0, 'parent'
+ # default link directing everything from input into age_filter
+ dom0.add_link Edoors::Link.new('input', 'age_filter')
+ # different links directing to different outputs depending on 'sex' key
+ dom0.add_link Edoors::Link.new('age_filter', 'output_f', nil, {'sex'=>'f'})
+ dom0.add_link Edoors::Link.new('age_filter', 'output_m', nil, {'sex'=>'m'})
+ # different links directing to different outputs depending on 'old' key
+ dom0.add_link Edoors::Link.new('age_filter', 'output_child', nil, {'old'=>false})
+ dom0.add_link Edoors::Link.new('age_filter', 'output_parent', nil, {'old'=>true})
+ #
+ # schedule the spinning particles untill the system cools down
+ dom0.spin!
+ #
+end
+#
+# EOF