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/lib/drb/observer.rb | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 jni/ruby/lib/drb/observer.rb

(limited to 'jni/ruby/lib/drb/observer.rb')

diff --git a/jni/ruby/lib/drb/observer.rb b/jni/ruby/lib/drb/observer.rb
new file mode 100644
index 0000000..cab9ebc
--- /dev/null
+++ b/jni/ruby/lib/drb/observer.rb
@@ -0,0 +1,25 @@
+require 'observer'
+
+module DRb
+  # The Observable module extended to DRb.  See Observable for details.
+  module DRbObservable
+    include Observable
+
+    # Notifies observers of a change in state.  See also
+    # Observable#notify_observers
+    def notify_observers(*arg)
+      if defined? @observer_state and @observer_state
+        if defined? @observer_peers
+          @observer_peers.each do |observer, method|
+            begin
+              observer.send(method, *arg)
+            rescue
+              delete_observer(observer)
+            end
+          end
+        end
+        @observer_state = false
+      end
+    end
+  end
+end
-- 
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