Package org.moddingx.libx.util.lazy

Class CachedValue<T>

java.lang.Object

org.moddingx.libx.util.lazy.CachedValue<T>

public class CachedValue<T>
extends Object

A lazy value that is resolved when it is first used. However, this one can be invalidated, which causes it to recompute the value next time.

Constructor Summary

Constructors

Constructor	Description
CachedValue(Supplier<? extends T> supplier)	Creates a new cached value.

Method Summary

Modifier and Type	Method	Description
CachedValue<T>	copy()	Returns a new cached value.
T	get()	Gets the value.
void	invalidate()	Invalidates the cached value.

Methods inherited from class java.lang.Object

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

Constructor Details

CachedValue

public CachedValue(@Nonnull
 Supplier<? extends T> supplier)

Creates a new cached value.

Method Details

get

public T get()

Gets the value. If currently invalid, computes the value.

copy

public CachedValue<T> copy()

Returns a new cached value. If this cached value is currently valid, the new cached value will include the currently valid value. After that both values can be invalidated independent of each other.

invalidate

public void invalidate()

Invalidates the cached value.