ForceNullableTypeStrategy (Flink : Table : Common 2.0-preview1 API)

java.lang.Object
- org.apache.flink.table.types.inference.strategies.ForceNullableTypeStrategy

All Implemented Interfaces:: TypeStrategy

@Internal
public class ForceNullableTypeStrategy
extends Object
implements TypeStrategy

Forces a given type strategy to be nullable.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ForceNullableTypeStrategy(TypeStrategy initialStrategy)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Optional<DataType> inferType(CallContext callContext)
  Infers a type from the given function call.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ForceNullableTypeStrategy
```
public ForceNullableTypeStrategy(TypeStrategy initialStrategy)
```
- Method Detail
  - inferType
```
public Optional<DataType> inferType(CallContext callContext)
```
    Description copied from interface: TypeStrategy
    
    Infers a type from the given function call.
    
    Specified by:
    
    inferType in interface TypeStrategy