/** {@inheritDoc} */
@Override
public <GValue> Selection<GItem> findAll(
final Field<? super GItem, ? extends GValue> field, final GValue value)
throws NullPointerException {
if (field == null) throw new NullPointerException("field = null");
return new FilteredSelection<GItem>(
Iterables.filteredIterable(
Filters.navigatedFilter(field, Filters.containsFilter(value)), this._items_));
}
/** {@inheritDoc} */
@Override
public final boolean containsAll(final Collection<?> collection) {
return Iterables.containsAll(this, collection);
}
/** {@inheritDoc} */
@Override
public final boolean removeAll(final Collection<?> collection) {
if (this.isEmpty()) return false;
return Iterables.removeAll((Iterable<?>) this, collection);
}