| Class | Description | 
|---|---|
| ContainerModel | This contains metadata about a Samza container, such as which tasks a Samza container should process. | 
| JobModel | 
 The data model used to represent a Samza job. | 
| LocalityModel | A model to represent the locality information of an application. | 
| ProcessorLocality | A data model to represent the processor locality information. | 
| TaskModel | This contains metadata about a Samza task, such as the stream partitions that it is consuming. | 
| Enum | Description | 
|---|---|
| TaskMode | This defines the logical mode of a taskInstance. |