Class LazyReference<T>

java.lang.Object

de.marcely.bedwars.tools.LazyReference<T>

Type Parameters:

T - The type of the reference

All Implemented Interfaces:

Supplier<T>

public class LazyReference<T>
extends Object
implements Supplier<T>

Represents a lazy reference that will only be initialized when it's being accessed.

After the initial access, the reference will be cached and returned on every subsequent access.

Constructor Summary

Constructors

Constructor	Description
LazyReference(Supplier<T> factory)	Creates a new lazy reference.

Method Summary

Modifier and Type	Method	Description
void	clear()	Clears the cached reference.
T	get()	Gets the reference.
boolean	isCached()	Checks whether the reference has already been cached.
static <T> Supplier<T>	of(Supplier<T> factory)	Creates a new lazy reference.

Methods inherited from class Object

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

Constructor Details

LazyReference

public LazyReference(Supplier<T> factory)

Creates a new lazy reference.

Parameters:

factory - The factory that will be called when the reference is being accessed

Method Details

get

public T get()

Gets the reference.

Specified by:

get in interface Supplier<T>

Returns:

The reference

Throws:

IllegalStateException - If the factory returns null

clear

public void clear()

Clears the cached reference.

isCached

public boolean isCached()

Checks whether the reference has already been cached.

Returns:

true if the reference is cached, false otherwise

of

public static <T> Supplier<T> of(Supplier<T> factory)

Creates a new lazy reference.

Type Parameters:

T - The type of the reference

Parameters:

factory - The factory that will be called when the reference is being accessed

Returns:

The new lazy reference