Examples with ResultHandler org.apache.cassandra.fqltool.ResultHandler used on opensource projects

Example 1 with ResultHandler

use of org.apache.cassandra.fqltool.ResultHandler in project cassandra by apache.

the class Compare method compare.

public static void compare(String querylog, List<String> arguments) {
    List<ChronicleQueue> readQueues = null;
    try (ResultHandler rh = new ResultHandler(arguments, null, null);
        ChronicleQueue queryQ = SingleChronicleQueueBuilder.single(querylog).readOnly(true).build();
        FQLQueryIterator queries = new FQLQueryIterator(queryQ.createTailer(), 1)) {
        readQueues = arguments.stream().map(s -> SingleChronicleQueueBuilder.single(s).readOnly(true).build()).collect(Collectors.toList());
        List<Iterator<ResultHandler.ComparableResultSet>> its = readQueues.stream().map(q -> new StoredResultSetIterator(q.createTailer())).collect(Collectors.toList());
        while (queries.hasNext()) rh.handleResults(queries.next(), resultSets(its));
    } catch (Exception e) {
        throw new RuntimeException(e);
    } finally {
        if (readQueues != null)
            readQueues.forEach(Closeable::close);
    }
}