/**
* Puts the given listener into this list at the specified index, replacing the current listener
* at that index. Either a strong or a weak reference is maintained to the listener depending upon
* the <code>strong</code> parameter.
*
* @param index the index that the given element should be set at.
* @param element the listener instance to be inserted into the list.
* @param strong true if a strong reference should be maintained to the listener instance, and
* false if only a weak reference should be used.
*/
public T set(final int index, final T element, final boolean strong) {
final MixedReference<T> next = new MixedReference<T>(element, strong, referenceQueue);
final MixedReference<T> prev = data.set(index, next);
return prev.get();
}
/** {@inheritDoc} */
@Override
public T remove(final int index) {
final MixedReference<T> removed = data.remove(index);
return removed.get();
}