ch.awae.utils

Class Lazy<T>

java.lang.Object

ch.awae.utils.Lazy<T>

Type Parameters:

T - The Content type

public final class Lazy<T>
extends java.lang.Object

Wrapper Object for lazy initialisation. Lazy Initialisation allows delaying the initialisation until the value is first required. This implementation provides a generic thread-safe wrapper therefore.

Since:

awaeUtils 1.0.0

Author:

Andreas Wälchli

Constructor Summary

Constructors

Constructor and Description
Lazy(java.util.function.Supplier<? extends T> supplier) Creates a new lazy instance based on the provided supplier method

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
T	get() Retrieves the value and calculates it when required
int	hashCode()
boolean	isInitialised() Indicates whether or not the value has already been initialised.

Methods inherited from class java.lang.Object

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

Constructor Detail

Lazy

public Lazy(java.util.function.Supplier<? extends T> supplier)

Creates a new lazy instance based on the provided supplier method

Parameters:

supplier - the supplier to evaluate when first requiring a value

Method Detail

get

public T get()

Retrieves the value and calculates it when required

Returns:

the value

isInitialised

public boolean isInitialised()

Indicates whether or not the value has already been initialised.

Returns:

true if the value is already initialised, false otherwise.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object