| Name | Description | Type | Package | Framework |
| CronTimeTrigger | This is the holder triggers based on standard crontabs format. | Class | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |
| PeriodicTimeTrigger | Goes off every period milliseconds after waiting for offset milliseconds from the moment the trigger was | Class | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |
| Target | This is the interface to implement to receive notification trigger. | Interface | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |
| TimeScheduler | This service provides a way to regularly schedule jobs. | Interface | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |
| TimeTrigger | A kind of trigger that makes the determination to go off basedAuthor:Avalon Development Team | Interface | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |
| TimeTriggerFactory | Factory for TimeTriggers. | Class | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |
| Trigger | This is the marker interface for Triggers. | Interface | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |
| TriggerFailureListener | A callback mechanism for failures on triggering of targets. | Interface | org.apache.avalon.cornerstone.services.scheduler | Apache Avalon |