| Interface | Description |
|---|---|
| MailAccessQueue |
MailAccessQueue - A Queue additionally providing MailAccessQueue.pollDelayed() method to obtain expired elements. |
| Class | Description |
|---|---|
| MailAccessQueueImpl |
MailAccessQueueImpl - A Queue additionally providing MailAccessQueueImpl.pollDelayed() method to obtain expired elements. |
| SingletonMailAccessQueue |
SingletonMailAccessQueue - A thread-safe singleton queue backed by an AtomicReference instance. |