| Expirer | Expire unused objects. |
| Reaper | The reaper is a background thread with which ticks every minute
and calls registered objects to allow reaping of old session
data. |
| ThreadPool | A thread pool that is trying to copy the apache process management. |
| ThreadPool.ControlRunnable | A Thread object that executes various actions ( ThreadPoolRunnable )
under control of ThreadPool
|
| ThreadPool.MonitorRunnable | Periodically execute an action - cleanup in this case
|
| ThreadWithAttributes | Special thread that allows storing of attributes and notes. |