demos: actors: A couple of simple actor model demos.

[8sync.git] / demos / actors / simplest-possible.scm

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+;;; 8sync --- Asynchronous programming for Guile
+;;; Copyright (C) 2016 Christopher Allan Webber <cwebber@dustycloud.org>
+;;;
+;;; This file is part of 8sync.
+;;;
+;;; 8sync is free software: you can redistribute it and/or modify it
+;;; under the terms of the GNU Lesser General Public License as
+;;; published by the Free Software Foundation, either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; 8sync 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 Lesser General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU Lesser General Public
+;;; License along with 8sync.  If not, see <http://www.gnu.org/licenses/>.
+
+(use-modules (8sync systems actors)
+             (ice-9 match)
+             (oop goops))
+
+(define-simple-actor <emo>
+  ((greet-proog
+    (lambda (actor message)
+      (display "Heya Proog!\n")
+      (send-message
+       actor (message-ref message 'target)
+       'greet-emo)))))
+
+(define-simple-actor <proog>
+  ((greet-emo
+    (lambda (actor message)
+      (display "Hi, Emo!\n")))))
+
+(define hive (make-hive))
+(define our-emo (hive-create-actor hive <emo>))
+(define our-proog (hive-create-actor hive <proog>))
+(ez-run-hive hive
+             (list (hive-bootstrap-message hive our-emo 'greet-proog
+                                           #:target our-proog)))