| Name | Description | Type | Package | Framework |
| AbstractEvent | Parent class of all the events. | Class | org.apache.hadoop.yarn.event | Apache Hadoop |
| AsyncDispatcher | Dispatches Events in a separate thread. | Class | org.apache.hadoop.yarn.event | Apache Hadoop |
| Dispatcher | Event Dispatcher interface. | Interface | org.apache.hadoop.yarn.event | Apache Hadoop |
| Event | Interface defining events api. | Interface | org.apache.hadoop.yarn.event | Apache Hadoop |