Package org.apache.commons.lang3.function

Class Suppliers

java.lang.Object

org.apache.commons.lang3.function.Suppliers

public class Suppliers
extends Object

Helps use Supplier.

Since:

3.13.0

Constructor Summary

Constructors

Constructor	Description
Suppliers()	Deprecated. TODO Make private in 4.0.

Method Summary

Modifier and Type	Method	Description
static <T> T	get(Supplier<T> supplier)	Gets the result of Supplier.get(), or null if the supplier is null.
static <T> Supplier<T>	nul()	Gets the singleton supplier that always returns null.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Suppliers

@Deprecated
public Suppliers()

Deprecated.

TODO Make private in 4.0.

Make private in 4.0.

Method Details

get

public static <T> T get(Supplier<T> supplier)

Gets the result of Supplier.get(), or null if the supplier is null.

Type Parameters:

T - The type of results supplied by this supplier.

Parameters:

supplier - The supplier or null.

Returns:

Result of Supplier.get() or null.

nul

public static <T> Supplier<T> nul()

Gets the singleton supplier that always returns null.

This supplier never throws an exception.

Type Parameters:

T - Supplied type.

Returns:

The NUL singleton.

Since:

3.14.0