IDetachListener (Wicket Parent 9.18.0-SNAPSHOT API)

```
public interface IDetachListener
```
Listens to Component.detach() calls. Detach listeners are called as the last step in the process of detaching a component; this means the component is in a fully detached state when the listener is invoked.

Author:

igor.vaynberg

See Also:

FrameworkSettings.setDetachListener(IDetachListener)

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`onDestroyListener()`	Called when the application is being destroyed.
`default void`	`onDetach(Component component)`	Called when component is being detached via a call to `Component.detach()`.

- Method Detail
  - onDetach
```
default void onDetach(Component component)
```
    Called when component is being detached via a call to Component.detach(). NOTICE: The component is in a fully detached state when this method is invoked; It is the listener's responsibility to maintain the detached state after this method is finished - which means if the listener causes any part of the component (eg model) to become reattached it is the listener's responsibility to detach it before this method exits.
    
    Parameters:
    
    component - component being detached
  - onDestroyListener
```
default void onDestroyListener()
```
    Called when the application is being destroyed. Useful for cleaning up listener caches, etc.