SessionActivationListener (zk 10.0.0 API)

```
public interface SessionActivationListener
```
Used to notify an object stored in a session, when the session is going to be deactivated or has been activated.
When a session is going to be deactivate, it checks every variable to see whether this interface is implemented. If implemented, willPassivate(org.zkoss.zk.ui.Session) will be called. Similarly, didActivate(org.zkoss.zk.ui.Session) is called if the session has been activated.

Since:

3.6.2

Author:

tomyeh

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`didActivate(Session session)`	Called when a session has just been activated.
`void`	`willPassivate(Session session)`	Called when a session is about to be passivated.

- Method Detail
  - didActivate
```
void didActivate(Session session)
```
    Called when a session has just been activated.
  - willPassivate
```
void willPassivate(Session session)
```
    Called when a session is about to be passivated.