CastExecutor (Flink : 2.0-SNAPSHOT API)

Type Parameters:

IN - Input internal type

OUT - Output internal type

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@Internal
@FunctionalInterface
public interface CastExecutor<IN,OUT>
```
Interface to model a function that performs the casting of a value from one type to another.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  OUT cast(IN value)
  Cast the input value.

- Method Detail
  - cast
```
@Nullable
OUT cast(@Nullable
         IN value)
  throws TableRuntimeException
```
    Cast the input value. The output is null only and only if the input is null. The method throws an exception if something goes wrong when casting.
    
    Parameters:
    
    value - Input value.
    
    Throws:
    
    TableRuntimeException