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62 lines
2.3 KiB
62 lines
2.3 KiB
/* |
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* |
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* Copyright 2015 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* 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, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#ifndef GRPCXX_IMPL_CODEGEN_SERIALIZATION_TRAITS_H |
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#define GRPCXX_IMPL_CODEGEN_SERIALIZATION_TRAITS_H |
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namespace grpc { |
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/// Defines how to serialize and deserialize some type. |
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/// |
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/// Used for hooking different message serialization API's into GRPC. |
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/// Each SerializationTraits<Message> implementation must provide the |
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/// following functions: |
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/// 1. static Status Serialize(const Message& msg, |
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/// ByteBuffer* buffer, |
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/// bool* own_buffer); |
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/// OR |
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/// static Status Serialize(const Message& msg, |
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/// grpc_byte_buffer** buffer, |
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/// bool* own_buffer); |
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/// The former is preferred; the latter is deprecated |
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/// |
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/// 2. static Status Deserialize(ByteBuffer* buffer, |
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/// Message* msg); |
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/// OR |
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/// static Status Deserialize(grpc_byte_buffer* buffer, |
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/// Message* msg); |
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/// The former is preferred; the latter is deprecated |
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/// |
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/// Serialize is required to convert message to a ByteBuffer, and |
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/// return that byte buffer through *buffer. *own_buffer should |
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/// be set to true if the caller owns said byte buffer, or false if |
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/// ownership is retained elsewhere. |
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/// |
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/// Deserialize is required to convert buffer into the message stored at |
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/// msg. max_receive_message_size is passed in as a bound on the maximum |
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/// number of message bytes Deserialize should accept. |
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/// |
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/// Both functions return a Status, allowing them to explain what went |
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/// wrong if required. |
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template <class Message, |
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class UnusedButHereForPartialTemplateSpecialization = void> |
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class SerializationTraits; |
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} // namespace grpc |
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#endif // GRPCXX_IMPL_CODEGEN_SERIALIZATION_TRAITS_H
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