SendCallback (Pulsar Client Java 2.10.3.5 API)

```
public interface SendCallback
```

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addCallback(MessageImpl<?> msg, SendCallback scb)`	used to specify a callback to be invoked on completion of a send operation for individual messages sent in a batch.
`java.util.concurrent.CompletableFuture<org.apache.pulsar.client.api.MessageId>`	`getFuture()`
`MessageImpl<?>`	`getNextMessage()`	Return next message in chain.
`SendCallback`	`getNextSendCallback()`
`void`	`sendComplete(java.lang.Exception e)`	invoked when send operation completes.

- Method Detail
  - sendComplete
```
void sendComplete(java.lang.Exception e)
```
    invoked when send operation completes.
    
    Parameters:
    
    e -
  - addCallback
```
void addCallback(MessageImpl<?> msg,
                 SendCallback scb)
```
    used to specify a callback to be invoked on completion of a send operation for individual messages sent in a batch. Callbacks for messages in a batch get chained
    
    Parameters:
    
    msg - message sent
    
    scb - callback associated with the message
  - getNextSendCallback
```
SendCallback getNextSendCallback()
```
    Returns:
    
    next callback in chain
  - getNextMessage
```
MessageImpl<?> getNextMessage()
```
    Return next message in chain.
    
    Returns:
    
    next message in chain
  - getFuture
```
java.util.concurrent.CompletableFuture<org.apache.pulsar.client.api.MessageId> getFuture()
```
    Returns:
    
    future associated with callback