Holder (Net4j Utilities Documentation)

java.lang.Object

org.eclipse.net4j.util.concurrent.Holder<T>

All Implemented Interfaces:: Consumer<T>, Supplier<T>

public final class Holder<T> extends Object implements Consumer<T>, Supplier<T>

A simple holder for a single element that implements Consumer and Supplier.

This class is not thread-safe.

Since:: 3.16
Author:: Eike Stepper

Constructor Summary

Constructors

Constructor

Description

Holder()

Holder(Supplier<T> creator)

Holder(Supplier<T> creator, T unset)

Holder(T element)
Method Summary

Modifier and Type

Method

Description

void

accept(T element)

T

get()

T

getIfSet()

T

handleIfSet(Consumer<T> consumer)

boolean

isSet()

T

set(T element)

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.function.Consumer
andThen

Constructor Details
- Holder
  
  public Holder()
- Holder
  
  public Holder(T element)
- Holder
  
  public Holder(Supplier<T> creator)
  
  Since:
  
  3.29
- Holder
  
  public Holder(Supplier<T> creator, T unset)
  
  Since:
  
  3.29
Method Details
- isSet
  
  public boolean isSet()
  
  Since:
  
  3.29
- handleIfSet
  
  public T handleIfSet(Consumer<T> consumer)
  
  Since:
  
  3.29
- getIfSet
  
  public T getIfSet()
  
  Since:
  
  3.29
- get
  
  public T get()
  
  Specified by:
  
  get in interface Supplier<T>
- set
  
  public T set(T element)
- accept
  
  public void accept(T element)
  
  Specified by:
  
  accept in interface Consumer<T>