Examples with AsyncLineageSubmission org.apache.nifi.provenance.AsyncLineageSubmission used on opensource projects

Example 6 with AsyncLineageSubmission

use of org.apache.nifi.provenance.AsyncLineageSubmission in project nifi by apache.

the class LuceneEventIndex method purgeObsoleteQueries.

private void purgeObsoleteQueries() {
    try {
        final Date now = new Date();
        final Iterator<Map.Entry<String, AsyncQuerySubmission>> queryIterator = querySubmissionMap.entrySet().iterator();
        while (queryIterator.hasNext()) {
            final Map.Entry<String, AsyncQuerySubmission> entry = queryIterator.next();
            final StandardQueryResult result = entry.getValue().getResult();
            if (entry.getValue().isCanceled() || result.isFinished() && result.getExpiration().before(now)) {
                queryIterator.remove();
            }
        }
        final Iterator<Map.Entry<String, AsyncLineageSubmission>> lineageIterator = lineageSubmissionMap.entrySet().iterator();
        while (lineageIterator.hasNext()) {
            final Map.Entry<String, AsyncLineageSubmission> entry = lineageIterator.next();
            final StandardLineageResult result = entry.getValue().getResult();
            if (entry.getValue().isCanceled() || result.isFinished() && result.getExpiration().before(now)) {
                lineageIterator.remove();
            }
        }
    } catch (final Exception e) {
        logger.error("Failed to expire Provenance Query Results due to {}", e.toString());
        logger.error("", e);
    }
}