/**
* Add a {@link CoreClosedListener} as a {@link ReaderClosedListener}. This method is typically
* useful for {@link LeafReader} implementations that don't have the concept of a core that is
* shared across several {@link LeafReader} instances in which case the {@link CoreClosedListener}
* is called when closing the reader.
*/
protected static void addCoreClosedListenerAsReaderClosedListener(
IndexReader reader, CoreClosedListener listener) {
reader.addReaderClosedListener(new CoreClosedListenerWrapper(listener));
}
