addendpoint

package
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Published: Nov 16, 2021 License: MIT Imports: 15 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func InstrumentingMiddleware

func InstrumentingMiddleware(duration metrics.Histogram) endpoint.Middleware

InstrumentingMiddleware returns an endpoint middleware that records the duration of each invocation to the passed histogram. The middleware adds a single field: "success", which is "true" if no error is returned, and "false" otherwise.

func LoggingMiddleware

func LoggingMiddleware(logger log.Logger) endpoint.Middleware

LoggingMiddleware returns an endpoint middleware that logs the duration of each invocation, and the resulting error, if any.

func MakeConcatEndpoint

func MakeConcatEndpoint(s addservice.Service) endpoint.Endpoint

MakeConcatEndpoint constructs a Concat endpoint wrapping the service.

func MakeSumEndpoint

func MakeSumEndpoint(s addservice.Service) endpoint.Endpoint

MakeSumEndpoint constructs a Sum endpoint wrapping the service.

Types

type ConcatRequest

type ConcatRequest struct {
	A, B string
}

ConcatRequest collects the request parameters for the Concat method.

type ConcatResponse

type ConcatResponse struct {
	V   string `json:"v"`
	Err error  `json:"-"`
}

ConcatResponse collects the response values for the Concat method.

func (ConcatResponse) Failed

func (r ConcatResponse) Failed() error

Failed implements endpoint.Failer.

type Set

type Set struct {
	SumEndpoint    endpoint.Endpoint
	ConcatEndpoint endpoint.Endpoint
}

Set collects all of the endpoints that compose an add service. It's meant to be used as a helper struct, to collect all of the endpoints into a single parameter.

func New

func New(svc addservice.Service, logger log.Logger, duration metrics.Histogram, otTracer stdopentracing.Tracer, zipkinTracer *stdzipkin.Tracer) Set

New returns a Set that wraps the provided server, and wires in all of the expected endpoint middlewares via the various parameters.

func (Set) Concat

func (s Set) Concat(ctx context.Context, a, b string) (string, error)

Concat implements the service interface, so Set may be used as a service. This is primarily useful in the context of a client library.

func (Set) Sum

func (s Set) Sum(ctx context.Context, a, b int) (int, error)

Sum implements the service interface, so Set may be used as a service. This is primarily useful in the context of a client library.

type SumRequest

type SumRequest struct {
	A, B int
}

SumRequest collects the request parameters for the Sum method.

type SumResponse

type SumResponse struct {
	V   int   `json:"v"`
	Err error `json:"-"` // should be intercepted by Failed/errorEncoder
}

SumResponse collects the response values for the Sum method.

func (SumResponse) Failed

func (r SumResponse) Failed() error

Failed implements endpoint.Failer.

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