micro/broker/broker.go
Vasiliy Tolstov 8076e410a9
fix repocard issues (#20)
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-08-25 14:33:36 +03:00

32 lines
811 B
Go

// Package broker is an interface used for asynchronous messaging
package broker
// Broker is an interface used for asynchronous messaging.
type Broker interface {
Init(...Option) error
Options() Options
Address() string
Connect() error
Disconnect() error
Publish(topic string, m *Message, opts ...PublishOption) error
Subscribe(topic string, h Handler, opts ...SubscribeOption) (Subscriber, error)
String() string
}
// Handler is used to process messages via a subscription of a topic.
type Handler func(*Message) error
// Message is used to transfer data
type Message struct {
Header map[string]string
Body []byte
Error error
}
// Subscriber is a convenience return type for the Subscribe method
type Subscriber interface {
Options() SubscribeOptions
Topic() string
Unsubscribe() error
}