How to use

nullSafeIterator

method

in

org.springframework.data.gemfire.util.CollectionUtils

/**
 * Adapts the given Iterator as an Iterable object for use within a for each loop.
 *
 * @param <T> the class type of the Iterator elements.
 * @param iterator the Iterator to adapt as an Iterable object.
 * @return an Iterable instance of the Iterator.
 * @see java.lang.Iterable
 * @see java.util.Iterator
 */
@NonNull
public static <T> Iterable<T> iterable(@Nullable Iterator<T> iterator) {
  return () -> nullSafeIterator(iterator);
}

/**
 * Adapts the given Iterator as an Iterable object for use within a for each loop.
 *
 * @param <T> the class type of the Iterator elements.
 * @param iterator the Iterator to adapt as an Iterable object.
 * @return an Iterable instance of the Iterator.
 * @see java.lang.Iterable
 * @see java.util.Iterator
 */
@NonNull
public static <T> Iterable<T> iterable(@Nullable Iterator<T> iterator) {
  return () -> nullSafeIterator(iterator);
}