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authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/sample/observ.rb
Fresh start
Diffstat (limited to 'jni/ruby/sample/observ.rb')
-rw-r--r--jni/ruby/sample/observ.rb32
1 files changed, 32 insertions, 0 deletions
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