service

Documentation

Index

• type Cache
• type Middleware
  • func CachingMiddleware(cache Cache) Middleware
  • func ErrorLoggingMiddleware(logger log.Logger) Middleware
  • func LoggingMiddleware(logger log.Logger) Middleware
  • func RecoveringMiddleware(logger log.Logger) Middleware

Types

type Cache

type Cache interface {
	Set(key, value interface{}) (err error)
	Get(key interface{}) (value interface{}, err error)
}

Cache interface uses for middleware as key-value storage for requests.

type Middleware

type Middleware func(service.StringService) service.StringService

Service middleware (closure).

func CachingMiddleware

func CachingMiddleware(cache Cache) Middleware

func ErrorLoggingMiddleware

func ErrorLoggingMiddleware(logger log.Logger) Middleware

ErrorLoggingMiddleware writes to logger any error, if it is not nil.

func LoggingMiddleware

func LoggingMiddleware(logger log.Logger) Middleware

LoggingMiddleware writes params, results and working time of method call to provided logger after its execution.

func RecoveringMiddleware

func RecoveringMiddleware(logger log.Logger) Middleware

RecoveringMiddleware recovers panics from method calls, writes to provided logger and returns the error of panic as method error.