| Name | Description | Type | Package | Framework |
| StreamingCommand | StreamingCommand represents the specification of an external command to be executed in a Pig Query. | Class | org.apache.pig.impl.streaming | Apache Pig |
| StreamingCommand .Handle | Handle to communicate with the external process. | Class | org.apache.pig.impl.streaming.StreamingCommand | Apache Pig |
| StreamingCommand .HandleSpec | Specification about the usage of the StreamingCommand. | Class | org.apache.pig.impl.streaming.StreamingCommand | Apache Pig |