com.helger.commons.wrapper

Interface IWrapper<DATATYPE>

Type Parameters:

DATATYPE - The type of the wrapped object.

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>

Base interface for wrapping an object within another object.

Author:

Philip Helger

Method Summary

Modifier and Type	Method and Description
DATATYPE	get()
default boolean	isSet()

Method Detail

get

@Nullable
DATATYPE get()

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.