Producer (RabbitMQ Stream Java Client 0.21.0 API)

All Superinterfaces:

AutoCloseable
```
public interface Producer
extends AutoCloseable
```
API to send messages to a RabbitMQ Stream.
Instances are created and configured with a ProducerBuilder.
Implementations are expected to be thread-safe, RabbitMQ Streams' are.

See Also:

ProducerBuilder, Environment.producerBuilder()

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`close()`	Close the producer.
`long`	`getLastPublishingId()`	Get the last publishing ID for a named producer.
`MessageBuilder`	`messageBuilder()`	Return a `MessageBuilder` to create a `Message`.
`void`	`send(Message message, ConfirmationHandler confirmationHandler)`	Publish a message.

- Method Detail
  - messageBuilder
```
MessageBuilder messageBuilder()
```
    Return a MessageBuilder to create a Message.
    A MessageBuilder instance is meant to create only Message instance.
    
    Returns:
    
    a single-usage MessageBuilder
    
    See Also:
    
    MessageBuilder
  - getLastPublishingId
```
long getLastPublishingId()
```
    Get the last publishing ID for a named producer.
    The value can be mapped to a business index to restart publishing where a previous incarnation of the producer left off.
    
    Returns:
    
    the last publishing ID for this named producer
  - send
```
void send(Message message,
          ConfirmationHandler confirmationHandler)
```
    Publish a message.
    
    Parameters:
    
    message - the message
    
    confirmationHandler - the callback when the message is confirmed or failed
  - close
```
void close()
```
    Close the producer.
    
    Specified by:
    
    close in interface AutoCloseable