| Name | Description | Type | Package | Framework |
| AbstractService | This is the base implementation class for services. | Class | org.apache.hadoop.service | Apache Hadoop |
| CompositeService | Composition of services. | Class | org.apache.hadoop.service | Apache Hadoop |
| LifecycleEvent | A serializable lifecycle event: the time a state transition occurred, and what state was entered. | Class | org.apache.hadoop.service | Apache Hadoop |
| LoggingStateChangeListener | Class | org.apache.hadoop.service | Apache Hadoop | |
| Service | Interface | org.apache.hadoop.service | Apache Hadoop | |
| ServiceOperations | This class contains a set of methods to work with services, especially to walk them through their lifecycle. | Class | org.apache.hadoop.service | Apache Hadoop |
| ServiceStateChangeListener | Interface to notify state changes of a service. | Interface | org.apache.hadoop.service | Apache Hadoop |
| ServiceStateException | Exception that is raised on state change operations. | Class | org.apache.hadoop.service | Apache Hadoop |
| ServiceStateModel | Class | org.apache.hadoop.service | Apache Hadoop | |