CancelCallback (RabbitMQ Java Client 5.14.2 API)

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface CancelCallback
```
Callback interface to be notified of the cancellation of a consumer. Prefer it over Consumer for a lambda-oriented syntax, if you don't need to implement all the application callbacks.

Since:

5.0

See Also:

DeliverCallback, ConsumerShutdownSignalCallback, Channel.basicConsume(String, boolean, String, boolean, boolean, Map, DeliverCallback, CancelCallback), Channel.basicConsume(String, boolean, String, boolean, boolean, Map, DeliverCallback, ConsumerShutdownSignalCallback), Channel.basicConsume(String, boolean, String, boolean, boolean, Map, DeliverCallback, CancelCallback, ConsumerShutdownSignalCallback)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`handle(String consumerTag)`	Called when the consumer is cancelled for reasons other than by a call to `Channel.basicCancel(java.lang.String)`.

- Method Detail
  - handle
```
void handle(String consumerTag)
     throws IOException
```
    Called when the consumer is cancelled for reasons other than by a call to Channel.basicCancel(java.lang.String). For example, the queue has been deleted. See Consumer.handleCancelOk(java.lang.String) for notification of consumer cancellation due to Channel.basicCancel(java.lang.String).
    
    Parameters:
    
    consumerTag - the consumer tag associated with the consumer
    
    Throws:
    
    IOException