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grpc-jexpress

Productivity extensions to grpc-java, called GJEX - for Grpc Java Express.

Provides the following list of features:

• Transparent gRPC runtime startup alongwith Jetty for dashboard/administration
• Guice module support to integrate gRPC service implementations with the gRPC runtime
• Metrics support - e.g. @Timed annotations to publish to JMX
• YAML based configuration support for gRPC service implementations
• Component Lifecycle (Start(), Stop()) support via Service interface
• Health Check - ability to add any number of deep Health Checks
• Custom web resources for enabling Control Path, Administration actions
• Filters - ability to add any number of Filters to gRPC stub method implementations
• Validation - using Hibernate Validator
• Distributed Tracing - using opentracing and the openzipkin implementation
• Concurrent execution, Circuit breaking using Hystrix and Dispatch-Compose through a FutureDecorator API
• Deadlining for APIs - ability to specify execution timeouts for gRPC stubs at service end
• Task/Upstream request retries using Hedged Requests as described here
• Tool recommendations for testing

More details on example use and design are detailed in relevant pages of this wiki.