publisher

Documentation

Index

• Variables
• type ErrCouldNotPublish
  • func NewErrCouldNotPublish() *ErrCouldNotPublish
  • func (e ErrCouldNotPublish) Error() string
  • func (e ErrCouldNotPublish) Len() int
  • func (e ErrCouldNotPublish) Reasons() map[string]error
• type RetryPublisher
  • func NewRetryPublisher(pub message.Publisher, config RetryPublisherConfig) (*RetryPublisher, error)
  • func (p RetryPublisher) Close() error
  • func (p RetryPublisher) Publish(topic string, messages ...*message.Message) error
• type RetryPublisherConfig

Variables

var (
	ErrNonPositiveNumberOfRetries  = errors.New("number of retries should be positive")
	ErrNonPositiveTimeToFirstRetry = errors.New("time to first retry should be positive")
)

Types

type ErrCouldNotPublish

type ErrCouldNotPublish struct {
	// contains filtered or unexported fields
}

func NewErrCouldNotPublish

func NewErrCouldNotPublish() *ErrCouldNotPublish

func (ErrCouldNotPublish) Error

func (e ErrCouldNotPublish) Error() string

func (ErrCouldNotPublish) Len

func (e ErrCouldNotPublish) Len() int

func (ErrCouldNotPublish) Reasons

func (e ErrCouldNotPublish) Reasons() map[string]error

type RetryPublisher

type RetryPublisher struct {
	// contains filtered or unexported fields
}

RetryPublisher is a decorator for a publisher that retries message publishing after a failure.

func NewRetryPublisher

func NewRetryPublisher(pub message.Publisher, config RetryPublisherConfig) (*RetryPublisher, error)

func (RetryPublisher) Close

func (p RetryPublisher) Close() error

func (RetryPublisher) Publish

func (p RetryPublisher) Publish(topic string, messages ...*message.Message) error

type RetryPublisherConfig

type RetryPublisherConfig struct {
	MaxRetries int
	// each subsequent retry doubles the time to next retry.
	TimeToFirstRetry time.Duration
	Logger           watermill.LoggerAdapter
}