Creating a new tag for M2 final release

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/tags/M2@595753 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 52 insertions, 0 deletions

diff --git a/Final/ruby/qpid/queue.rb b/Final/ruby/qpid/queue.rb
new file mode 100644
index 0000000000..350310882f
--- /dev/null
+++ b/Final/ruby/qpid/queue.rb
@@ -0,0 +1,52 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+# 
+#   http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+
+require "thread"
+
+module Qpid
+
+  class Closed < Exception; end
+
+  class Queue < Queue
+
+    @@END = Object.new()
+
+    def close()
+      # sentinal to indicate the end of the queue
+      self << @@END
+    end
+
+    def pop(*args)
+      result = super(*args)
+      if @@END.equal? result
+        # we put another sentinal on the end in case there are
+        # subsequent calls to pop by this or other threads
+        self << @@END
+        raise Closed.new()
+      else
+        return result
+      end
+    end
+
+    alias shift pop
+    alias deq pop
+
+  end
+
+end