Top Description Fields Constructors Methods

org.apache.commons.lang3.function

public Class Suppliers

Class Inheritance

extends Object

java.lang.Object
org.apache.commons.lang3.function.Suppliers

Imports

java.util.function.Supplier

Helps use Supplier.

Since: 3.13.0

Field Summary

Modifier and Type	Field and Description
private static Supplier<T>	NUL Returns the singleton supplier that always returns null.

Constructor Summary

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

Method Summary

Modifier and Type	Method and Description
public static < the type of results supplied by this supplier. T> T	Returns: Result of `Supplier#get()` or null. get(final Supplier<T> the supplier or null. supplier) Null-safe call to `Supplier#get()`.
public static < Supplied type. T> Supplier<T>	Returns: The NUL singleton. nul() Gets the singleton supplier that always returns null.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

NUL	back to summary
private static Supplier<T> NUL Returns the singleton supplier that always returns null. This supplier never throws an exception. Annotations @SuppressWarnings:rawtypes

NUL

back to summary

private static Supplier<T> NUL

Returns the singleton supplier that always returns null.

This supplier never throws an exception.

Annotations

@SuppressWarnings:rawtypes

Constructor Detail

Suppliers	back to summary
public Suppliers() Deprecated TODO Make private in 4.0. Make private in 4.0. Annotations @Deprecated

Suppliers

back to summary

public Suppliers()

Deprecated

TODO Make private in 4.0.

Make private in 4.0.

Annotations

@Deprecated

Method Detail

get back to summary

get	back to summary
public static <T> T get(final Supplier<T> supplier) Null-safe call to `Supplier#get()`. Parameters <T> the type of results supplied by this supplier. supplier:Supplier<T> the supplier or null. Returns:T Result of `Supplier#get()` or null.

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

Null-safe call to Supplier#get().

Parameters

<T>: the type of results supplied by this supplier.
supplier:Supplier<T>: the supplier or null.

Returns:T

Result of Supplier#get() or null.

nul	back to summary
public static <T> Supplier<T> nul() Gets the singleton supplier that always returns null. This supplier never throws an exception. Parameters <T> Supplied type. Returns:Supplier<T> The NUL singleton. Annotations @SuppressWarnings:unchecked Since 3.14.0

nul

back to summary

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

Gets the singleton supplier that always returns null.

This supplier never throws an exception.

Parameters

<T>: Supplied type.

Returns:Supplier<T>

The NUL singleton.

Annotations

@SuppressWarnings:unchecked

Since

3.14.0