[jira] [Created] (JENA-1427) Add nextOrElse() method in ExtendedIterator

["Adam Jacobs (JIRA)" <ji...@apache.org>]

Adam Jacobs created JENA-1427:
---------------------------------

             Summary: Add nextOrElse() method in ExtendedIterator
                 Key: JENA-1427
                 URL: https://issues.apache.org/jira/browse/JENA-1427
             Project: Apache Jena
          Issue Type: Improvement
          Components: Core
    Affects Versions: Jena 3.5.0
            Reporter: Adam Jacobs
            Priority: Trivial


Allow a functional approach for returning a default value or throwing a custom exception from a Jena iterator.

The following method may be added to the ExtendedIterator interface.
{{    /**
         Answer the next object, if it exists, otherwise invoke the _supplier_.
     */
    public default T nextOrElse( Supplier<T> supplier ) {
        return hasNext() ? next() : supplier.get();
    }
}}



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