/**
* Disposes the underlying disposable.
*
* @see nju.seg.zhangyf.base.IDisposable#DisposeIfNotNull()
*/
@Override
public void Dispose() {
IDisposable disposable = this._Current.getAndSet(CLEARED_DISPOSABLE);
Disposables.DisposeIfNonnull(disposable);
// if (disposable != null) {
// disposable.Dispose();
// }
}
/**
* Sets the underlying disposable. If the FutureDisposable has already been assigned then it will
* throw an InvalidOperationException.
*
* @param value
* @throws IllegalStateException Thrown if the SingleAssignmentDisposable has already been
* assigned to.
*/
public void SetDisposable(IDisposable value) {
if (this._Current.compareAndSet(NOT_SET_DISPOSABLE, value)) {
// Dispose尚未执行，且尚未设置过value，则仅将_Current设为value
return;
} else {
if (this._Current.get() != CLEARED_DISPOSABLE) {
throw new IllegalStateException(
"The SingleAssignmentDisposable has already been assigned to");
} else {
Disposables.DisposeIfNonnull(value);
// if (value != null) {
// value.Dispose();
// }
}
}
}
@Test(expected = NoSuchElementException.class)
public void testDispose() {
final Object obj = new Object();
final UnmodifiableDisposableIterator<Object> iter =
LazyIterators.NewAutoDisposeLazyIterator(
new Func1<Object, Tuple2<Object, Object>>() {
@Override
public Tuple2<Object, Object> DoFunc(final Object input) {
return Tuple2.NewTuple(obj, obj);
}
},
obj,
Disposables.CreateDisposable(
new Action0() {
@Override
public void accept() {
System.out.println("Dispose methods executed");
}
}));
iter.next();
iter.next();
System.out.println("Do next.");
iter.Dispose();
System.out.println("Dispose.");
// throw NoSuchElementException;
iter.next();
System.out.println("Next after Dispose.");
}