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

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

All Implemented Interfaces:

TypeStrategy
```
@Internal
public class ArrayAppendPrependTypeStrategy
extends Object
implements TypeStrategy
```
Type strategy that returns a DataTypes.ARRAY(DataType) with element type equal to the type of the first argument if it's not nullable or element to add is not nullable, otherwise it returns DataTypes.ARRAY(DataType) with type equal to the type of the element to add to array.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ArrayAppendPrependTypeStrategy()
- 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
  - ArrayAppendPrependTypeStrategy
```
public ArrayAppendPrependTypeStrategy()
```
- 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