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-rw-r--r--Final/ruby/qpid/queue.rb52
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diff --git a/Final/ruby/qpid/queue.rb b/Final/ruby/qpid/queue.rb
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--- a/Final/ruby/qpid/queue.rb
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-#
-# 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