org.jboss.weld.util

Class LazyValueHolder<T>

java.lang.Object

org.jboss.weld.util.LazyValueHolder<T>

All Implemented Interfaces:

ValueHolder<T>

Direct Known Subclasses:

LazyValueHolder.Serializable, TypeClosureLazyValueHolder

public abstract class LazyValueHolder<T>
extends Object
implements ValueHolder<T>

Represents a lazily computed value.

Author:

Stuart Douglas

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LazyValueHolder.Serializable<T> LazyValueHolder that implements Serializable.

Constructor Summary

Constructors

Constructor and Description
LazyValueHolder()

Method Summary

Modifier and Type	Method and Description
void	clear()
protected abstract T	computeValue()
static <T> LazyValueHolder<T>	forSupplier(java.util.function.Supplier<T> supplier)
T	get()
T	getIfPresent()
boolean	isAvailable()

Methods inherited from class java.lang.Object

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

Constructor Detail

LazyValueHolder

public LazyValueHolder()

Method Detail

forSupplier

public static <T> LazyValueHolder<T> forSupplier(java.util.function.Supplier<T> supplier)

get

public T get()

Specified by:

get in interface ValueHolder<T>

getIfPresent

public T getIfPresent()

Specified by:

getIfPresent in interface ValueHolder<T>

clear

public void clear()

isAvailable

public boolean isAvailable()

computeValue

protected abstract T computeValue()