MaterializedGroupByMapping (Apache Wayang (incubating) 0.7.1 API)

java.lang.Object
- org.apache.wayang.spark.mapping.MaterializedGroupByMapping

All Implemented Interfaces:

Mapping
```
public class MaterializedGroupByMapping
extends java.lang.Object
implements Mapping
```
Mapping from MaterializedGroupByOperator to SparkMaterializedGroupByOperator.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  MaterializedGroupByMapping()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  java.util.Collection<PlanTransformation> getTransformations()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MaterializedGroupByMapping
```
public MaterializedGroupByMapping()
```
- Method Detail
  - getTransformations
```
public java.util.Collection<PlanTransformation> getTransformations()
```
    Specified by:
    
    getTransformations in interface Mapping
    
    Returns:
    
    the transformations that make up this mapping