From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/sample/observ.rb | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 jni/ruby/sample/observ.rb

(limited to 'jni/ruby/sample/observ.rb')

diff --git a/jni/ruby/sample/observ.rb b/jni/ruby/sample/observ.rb
new file mode 100644
index 0000000..061e3c6
--- /dev/null
+++ b/jni/ruby/sample/observ.rb
@@ -0,0 +1,32 @@
+#! /usr/local/bin/ruby
+
+require "thread"
+require "observer"
+
+class Tick
+  include Observable
+  def initialize
+    Thread.start do
+      loop do
+        sleep 0.999
+        now = Time.now
+        changed
+        notify_observers(now.hour, now.min, now.sec)
+      end
+    end
+  end
+end
+
+class Clock
+  def initialize(tick)
+    @tick = tick
+    @tick.add_observer(self)
+  end
+  def update(h, m, s)
+    printf "\e[8D%02d:%02d:%02d", h, m, s
+    STDOUT.flush
+  end
+end
+
+clock = Clock.new(Tick.new)
+sleep
-- 
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