February 2019
Intermediate to advanced
446 pages
10h 55m
English
Content preview from Mastering Microservices with Java - Third Edition
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Protocol Buffer
gRPC works with JSON and other types. However, we'll make use of Protocol Buffer (Protobuf), which is the default. Protobuf is known for its performance. gRPC uses Protobuf for data serialization and code generation. It allows formal contracts, better bandwidth optimization, and code generation. Protobuf was created in 2001 and publicly made available in 2008. It was also used Google's microservice-based system, Stubby.
A Protocol Buffer file is created with the .proto extension. In this file, we define the messages (objects) and services that will use defined objects. Once the .proto file is created, you can compile it with protoc, which generates the classes for given messages. Have a look at the following sample .proto ...
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