bool DocumentSourceCommandFutures::eof() {
/* if we haven't even started yet, do so */
if (!pCurrent.get())
getNextDocument();
return (pCurrent.get() == NULL);
}
bool
LidSpaceCompactionJob::scanDocuments(const LidUsageStats &stats)
{
if (_scanItr->valid()) {
DocumentMetaData document = getNextDocument(stats);
if (document.valid()) {
IFrozenBucketHandler::ExclusiveBucketGuard::UP bucketGuard = _frozenHandler.acquireExclusiveBucket(document.bucketId);
if ( ! bucketGuard ) {
// the job is blocked until the bucket for this document is thawed
setBlocked(BlockedReason::FROZEN_BUCKET);
_retryFrozenDocument = true;
return true;
} else {
MoveOperation::UP op = _handler.createMoveOperation(document, stats.getLowestFreeLid());
search::IDestructorCallback::SP context = _moveOpsLimiter->beginOperation();
_opStorer.storeOperation(*op, context);
_handler.handleMove(*op, std::move(context));
if (isBlocked(BlockedReason::OUTSTANDING_OPS)) {
return true;
}
}
}
}
if (!_scanItr->valid()){
if (shouldRestartScanDocuments(_handler.getLidStatus())) {
_scanItr = _handler.getIterator();
} else {
_scanItr = IDocumentScanIterator::UP();
_shouldCompactLidSpace = true;
}
}
return false; // more work to do (scan documents or compact lid space)
}
bool DocumentSourceCommandFutures::advance() {
if (eof())
return false;
/* advance */
getNextDocument();
return (pCurrent.get() != NULL);
}
bool DocumentSourceCommandFutures::advance() {
DocumentSource::advance(); // check for interrupts
if (eof())
return false;
/* advance */
getNextDocument();
return (pCurrent.get() != NULL);
}