LazyItemIterator
is an id-based iterator that instantiates the Item
s only when they are requested. Important: Item
s that appear to be nonexistent for some reason (e.g. because of insufficient access rights or because they have been removed since the iterator has been retrieved) are silently skipped. As a result the size of the iterator as reported by {@link #getSize()} might appear to be shrinking while iterating over theitems. todo should getSize() better always return -1?
@see #getSize()
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