oracle.javatools.util.deferred
Class WeakThunk<T>

java.lang.Object
  oracle.javatools.util.deferred.Thunk<T>
      oracle.javatools.util.deferred.WeakThunk<T>

public abstract class WeakThunk<T>
extends Thunk<T>

A version of Thunk that only stores the result weakly so that it is possible to have the value recalculated.

Nested Class Summary

Nested classes/interfaces inherited from class oracle.javatools.util.deferred.Thunk

Thunk.ThunkException

Constructor Summary

WeakThunk()

Method Summary

T	get()
protected T	getValue()
protected void	setValue(T value)

Methods inherited from class oracle.javatools.util.deferred.Thunk

compute, directReference, resetState, synchronizedThunk

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakThunk

public WeakThunk()

Method Detail

getValue

protected T getValue()

Overrides:

getValue in class Thunk<T>

Returns:

The current value, to be override for WeakThunk implementation

setValue

protected void setValue(T value)

Overrides:

setValue in class Thunk<T>

get

public T get()

Overrides:

get in class Thunk<T>

Returns:

The computed value in a single threaded environment this will only create one instance not matter how many times it is called.