PipelineOptions.DirectRunner which executes both
 Bounded and Unbounded Pipelines on the local machine.See: Description
| Interface | Description | 
|---|---|
| TransformExecutor | 
 A  
Runnable that will execute a PTransform on some bundle of input. | 
| Class | Description | 
|---|---|
| ReferenceRunner | 
 The "ReferenceRunner" engine implementation. 
 | 
PipelineOptions.DirectRunner which executes both
 Bounded and Unbounded Pipelines on the local machine.
 See org.apache.beam.sdk.runners for more information about Pipeline Runners.