manifold.util.concurrent

Class LockingLazyVar<T>

java.lang.Object

manifold.util.concurrent.LockingLazyVar<T>

public abstract class LockingLazyVar<T>
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	LockingLazyVar.LazyVarInit<Q> A simple init interface to make LockingLazyVar's easier to construct.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LockingLazyVar()
protected	LockingLazyVar(java.util.concurrent.locks.ReadWriteLock lock)

Method Summary

Modifier and Type	Method and Description
T	clear() Clears the variable, forcing the next call to get() to re-calculate the value.
void	clearNoLock()
T	get()
protected abstract T	init()
boolean	isLoaded()
static <Q> LockingLazyVar<Q>	make(LockingLazyVar.LazyVarInit<Q> init) Creates a new LockingLazyVar based on the type of the LazyVarInit passed in.
static <Q> LockingLazyVar<Q>	make(java.util.concurrent.locks.ReadWriteLock lock, LockingLazyVar.LazyVarInit<Q> init)
T	set(T value)

Methods inherited from class java.lang.Object

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

Constructor Detail

LockingLazyVar

protected LockingLazyVar()

LockingLazyVar

protected LockingLazyVar(java.util.concurrent.locks.ReadWriteLock lock)

Method Detail

get

public final 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-calculate the value.

clearNoLock

public final void clearNoLock()

isLoaded

public boolean isLoaded()

make

public static <Q> LockingLazyVar<Q> make(LockingLazyVar.LazyVarInit<Q> init)

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

make

public static <Q> LockingLazyVar<Q> make(java.util.concurrent.locks.ReadWriteLock lock,
                                         LockingLazyVar.LazyVarInit<Q> init)