Class LocklessLazyVar<T>

java.lang.Object

manifold.util.concurrent.LocklessLazyVar<T>

public abstract class LocklessLazyVar<T>
extends Object

Implements the lazy initialization pattern. No locking of any kind is used.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	LocklessLazyVar.LazyVarInit<Q>

Field Summary

Fields

Modifier and Type	Field	Description
protected static final Object	NULL

Constructor Summary

Constructors

Constructor	Description
LocklessLazyVar()

Method Summary

Modifier and Type	Method	Description
final T	clear()	Clears the variable, forcing the next call to get() to re-init the value.
T	get()
protected abstract T	init()
boolean	isLoaded()
static <Q> LocklessLazyVar<Q>	make(LocklessLazyVar.LazyVarInit<Q> closure)	Creates a new LockingLazyVar based on the type of the LazyVarInit passed in.
T	set(T value)

Methods inherited from class Object

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

Field Details

NULL

protected static final Object NULL

Constructor Details

LocklessLazyVar

public LocklessLazyVar()

Method Details

get

public T get()

Returns:

the value of this lazy var, created if necessary

set

public T set(T value)

init

protected abstract T init()

clear

public final T clear()

Clears the variable, forcing the next call to get() to re-init the value.

isLoaded

public boolean isLoaded()

make

public static <Q> LocklessLazyVar<Q> make(LocklessLazyVar.LazyVarInit<Q> closure)

Creates a new LockingLazyVar based on the type of the LazyVarInit passed in.