nats

Documentation

Index

• type Controller
  • func NewController(url string, options ...ControllerOption) (*Controller, error)
  • func (c *Controller) Close()
  • func (c *Controller) Publish(_ context.Context, channel string, bm extensions.BrokerMessage) error
  • func (c *Controller) Subscribe(ctx context.Context, channel string) (extensions.BrokerChannelSubscription, error)
• type ControllerOption
  • func WithLogger(logger extensions.Logger) ControllerOption
  • func WithQueueGroup(name string) ControllerOption
• type NoopAcknowledgementHandler
  • func (k NoopAcknowledgementHandler) AckMessage()
  • func (k NoopAcknowledgementHandler) NakMessage()

Types

type Controller

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

Controller is the Controller implementation for asyncapi-codegen.

func NewController

func NewController(url string, options ...ControllerOption) (*Controller, error)

NewController creates a new NATS controller.

func (*Controller) Close

func (c *Controller) Close()

Close closes everything related to the broker.

func (*Controller) Publish

func (c *Controller) Publish(_ context.Context, channel string, bm extensions.BrokerMessage) error

Publish a message to the broker.

func (*Controller) Subscribe

func (c *Controller) Subscribe(ctx context.Context, channel string) (extensions.BrokerChannelSubscription, error)

Subscribe to messages from the broker.

type ControllerOption

type ControllerOption func(controller *Controller)

ControllerOption is a function that can be used to configure a NATS controller Examples: WithQueueGroup(), WithLogger().

func WithLogger

func WithLogger(logger extensions.Logger) ControllerOption

WithLogger set a custom logger that will log operations on broker controller.

func WithQueueGroup

func WithQueueGroup(name string) ControllerOption

WithQueueGroup set a custom queue group for channel subscription.

type NoopAcknowledgementHandler

type NoopAcknowledgementHandler struct {
}

NoopAcknowledgementHandler for nats broker, core NATS do not support ack/nak messages.

func (NoopAcknowledgementHandler) AckMessage

func (k NoopAcknowledgementHandler) AckMessage()

AckMessage acknowledges the message.

func (NoopAcknowledgementHandler) NakMessage

func (k NoopAcknowledgementHandler) NakMessage()

NakMessage negatively acknowledges the message.