| Class | Description |
|---|---|
| EventBus | A Vert.x event-bus is a light-weight distributed messaging system which allows different parts of your application, or different applications and services to communicate with each in a loosely coupled way. |
| Message | Represents a message that is received from the event bus in a handler. |
| MessageConsumer | An event bus consumer object representing a stream of message to an EventBus address that can be read from. |
| MessageProducer | Represents a stream of message that can be written to. |
| SendContext | Encapsulates a message being sent from Vert.x. |