RowDataKeySelector (Flink : 2.0-SNAPSHOT API)

All Superinterfaces:

Function, KeySelector<RowData,RowData>, ResultTypeQueryable<RowData>, Serializable

All Known Implementing Classes:

BinaryRowDataKeySelector, EmptyRowDataKeySelector, GenericRowDataKeySelector
```
public interface RowDataKeySelector
extends KeySelector<RowData,RowData>, ResultTypeQueryable<RowData>
```
RowDataKeySelector takes an RowData and extracts the deterministic key for the RowData.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`InternalTypeInfo<RowData>`	`getProducedType()`	Gets the data type (as a `TypeInformation`) produced by this function or input format.

Methods inherited from interface org.apache.flink.api.java.functions.KeySelector
getKey

- Method Detail
  - getProducedType
```
InternalTypeInfo<RowData> getProducedType()
```
    Description copied from interface: ResultTypeQueryable
    
    Gets the data type (as a TypeInformation) produced by this function or input format.
    
    Specified by:
    
    getProducedType in interface ResultTypeQueryable<RowData>
    
    Returns:
    
    The data type produced by this function or input format.