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				|  |  | +/*
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				|  |  | +*
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				|  |  | +* Copyright 2014, Google Inc.
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				|  |  | +* All rights reserved.
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				|  |  | +*
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				|  |  | +* Redistribution and use in source and binary forms, with or without
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				|  |  | +* modification, are permitted provided that the following conditions are
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				|  |  | +* met:
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				|  |  | +*
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				|  |  | +*     * Redistributions of source code must retain the above copyright
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				|  |  | +* notice, this list of conditions and the following disclaimer.
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				|  |  | +*     * Redistributions in binary form must reproduce the above
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				|  |  | +* copyright notice, this list of conditions and the following disclaimer
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				|  |  | +* in the documentation and/or other materials provided with the
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				|  |  | +* distribution.
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				|  |  | +*     * Neither the name of Google Inc. nor the names of its
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				|  |  | +* contributors may be used to endorse or promote products derived from
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				|  |  | +* this software without specific prior written permission.
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				|  |  | +*
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				|  |  | +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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				|  |  | +* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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				|  |  | +* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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				|  |  | +* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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				|  |  | +* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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				|  |  | +* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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				|  |  | +* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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				|  |  | +* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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				|  |  | +* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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				|  |  | +* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | +* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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				|  |  | +*
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				|  |  | +*/
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				|  |  | +
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				|  |  | +#ifndef __GRPCPP_CLIENT_UNARY_CALL_H__
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				|  |  | +#define __GRPCPP_CLIENT_UNARY_CALL_H__
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				|  |  | +
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				|  |  | +namespace google {
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				|  |  | +namespace protobuf {
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				|  |  | +class Message;
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				|  |  | +}  // namespace protobuf
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				|  |  | +}  // namespace google
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				|  |  | +
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				|  |  | +namespace grpc {
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				|  |  | +
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				|  |  | +class ChannelInterface;
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				|  |  | +class ClientContext;
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				|  |  | +class CompletionQueue;
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				|  |  | +class RpcMethod;
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				|  |  | +class Status;
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				|  |  | +
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				|  |  | +// Wrapper that begins an asynchronous unary call
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				|  |  | +void AsyncUnaryCall(ChannelInterface *channel, const RpcMethod &method,
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				|  |  | +                    ClientContext *context,
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				|  |  | +                    const google::protobuf::Message &request,
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				|  |  | +                    google::protobuf::Message *result, Status *status,
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				|  |  | +                    CompletionQueue *cq, void *tag);
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				|  |  | +
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				|  |  | +// Wrapper that performs a blocking unary call
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				|  |  | +Status BlockingUnaryCall(ChannelInterface *channel, const RpcMethod &method,
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				|  |  | +                         ClientContext *context,
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				|  |  | +                         const google::protobuf::Message &request,
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				|  |  | +                         google::protobuf::Message *result);
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				|  |  | +
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				|  |  | +} // namespace grpc
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				|  |  | +
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				|  |  | +#endif
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				|  |  | +
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