David Young created NIFI-15523:
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Summary: Provenance EventIterator#of doesn't return any events
Key: NIFI-15523
URL: https://issues.apache.org/jira/browse/NIFI-15523
Project: Apache NiFi
Issue Type: Bug
Reporter: David Young
Assignee: David Young
Although it doesn't appear to be actually used anywhere, an EventIterator that
is created using the static `of` method will never actually return any events.
[Source|https://github.com/apache/nifi/blob/4f99d4a3786ef8f2472ccfe73a42dd5d316c76aa/nifi-framework-bundle/nifi-framework-extensions/nifi-provenance-repository-bundle/nifi-persistent-provenance-repository/src/main/java/org/apache/nifi/provenance/store/iterator/EventIterator.java#L45-L57]:
{code:java}
static EventIterator of(final ProvenanceEventRecord... events) {
final Iterator<ProvenanceEventRecord> itr =
Arrays.asList(events).iterator();
return new EventIterator() {
@Override
public void close() throws IOException {
}
@Override
public Optional<ProvenanceEventRecord> nextEvent() {
return itr.hasNext() ? Optional.empty() : Optional.of(itr.next());
}
};
}{code}
The conditions in the `nextEvent` method need to be swapped:
{code:java}
return itr.hasNext() ? Optional.of(itr.next()) : Optional.empty();
{code}
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