Examples with LockResult org.apache.druid.indexing.overlord.LockResult used on opensource projects

Example 1 with LockResult

use of org.apache.druid.indexing.overlord.LockResult in project druid by druid-io.

the class TaskLockHelper method tryLockSegments.

private boolean tryLockSegments(TaskActionClient actionClient, List<DataSegment> segments) throws IOException {
    final Map<Interval, List<DataSegment>> intervalToSegments = SegmentUtils.groupSegmentsByInterval(segments);
    for (Entry<Interval, List<DataSegment>> entry : intervalToSegments.entrySet()) {
        final Interval interval = entry.getKey();
        final List<DataSegment> segmentsInInterval = entry.getValue();
        final boolean hasSameVersion = segmentsInInterval.stream().allMatch(segment -> segment.getVersion().equals(segmentsInInterval.get(0).getVersion()));
        Preconditions.checkState(hasSameVersion, "Segments %s should have same version", SegmentUtils.commaSeparatedIdentifiers(segmentsInInterval));
        final List<LockResult> lockResults = actionClient.submit(new SegmentLockTryAcquireAction(TaskLockType.EXCLUSIVE, interval, segmentsInInterval.get(0).getVersion(), segmentsInInterval.stream().map(segment -> segment.getShardSpec().getPartitionNum()).collect(Collectors.toSet())));
        if (lockResults.stream().anyMatch(result -> !result.isOk())) {
            return false;
        }
        lockedExistingSegments.addAll(segmentsInInterval);
        verifyAndFindRootPartitionRangeAndMinorVersion(segmentsInInterval);
    }
    return true;
}