HasExpirationTimeout (Vaadin Platform (vaadin-platform-javadoc) 23.1.9 API)

All Known Subinterfaces:

CollaborationList, CollaborationMap

All Known Implementing Classes:

CollaborationBinder, FormManager
```
public interface HasExpirationTimeout
```
Common interface to be implemented by types holding data associated to a topic, which provides methods to set an expiration timeout on the data which will be cleared after the timeout has passed since the last connection to the topic has been closed.

Since:

3.1

Author:

Vaadin Ltd.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`Optional<Duration>`	`getExpirationTimeout()`	Gets the optional expiration timeout of the data.
`void`	`setExpirationTimeout(Duration expirationTimeout)`	Sets the expiration timeout of the data held by the implementing object.

- Method Detail
  - getExpirationTimeout
```
Optional<Duration> getExpirationTimeout()
```
    Gets the optional expiration timeout of the data. An empty Optional is returned if no timeout is set, which means data is not cleared when there are no connected users to the related topic (this is the default).
    
    Returns:
    
    the expiration timeout
  - setExpirationTimeout
```
void setExpirationTimeout(Duration expirationTimeout)
```
    Sets the expiration timeout of the data held by the implementing object. If set, data is cleared when expirationTimeout has passed after the last connection to the related topic is closed. If set to null, the timeout is cancelled.
    
    Parameters:
    
    expirationTimeout - the expiration timeout