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# encoding: ascii-8bit
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# 
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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# 
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#   http://www.apache.org/licenses/LICENSE-2.0
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# 
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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# Very very simple implementation of wrapping two objects, one with a #read
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# method and one with a #write method, into a transport for thrift.
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#
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# Assumes both objects are open, remain open, don't require flushing, etc.
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#
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module Thrift
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  class IOStreamTransport < BaseTransport
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    def initialize(input, output)
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      @input = input
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      @output = output
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    end
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    def open?; not @input.closed? or not @output.closed? end
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    def read(sz); @input.read(sz) end
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    def write(buf); @output.write(buf) end
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    def close; @input.close; @output.close end
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    def to_io; @input end # we're assuming this is used in a IO.select for reading
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  end
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end