IWrapper (ph-commons 11.1.0 API)

Type Parameters:

DATATYPE - The type of the wrapped object.

All Superinterfaces:

Supplier<DATATYPE>

All Known Subinterfaces:

IMutableWrapper<DATATYPE>

All Known Implementing Classes:

ChangeWithValue, SuccessWithValue, Wrapper

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface IWrapper<DATATYPE>
extends Supplier<DATATYPE>
```
Base interface for wrapping an object within another object.

Author:

Philip Helger

- Method Summary
  
  All Methods Instance Methods Abstract Methods Default Methods
  Modifier and Type Method Description
  
  DATATYPE get()
  
  default boolean isNotSet()
  
  default boolean isSet()

- Method Detail
  - get
```
@Nullable
DATATYPE get()
```
    Specified by:
    
    get in interface Supplier<DATATYPE>
    
    Returns:
    
    The currently wrapped object. May be null.
  - isSet
```
default boolean isSet()
```
    Returns:
    
    true if the contained value is not null, false if it is null.
  - isNotSet
```
default boolean isNotSet()
```
    Returns:
    
    true if the contained value is null, false if it is not null.