public int update(long uid, final String version, Map<String, Object> map) {
if (valuesMap.isEmpty()) {
return -1;
}
if (versionComparator.compare(lastVersion, version) > 0) {
versionRejectionCounter.inc();
return -1;
}
if (map.isEmpty()) {
lastVersion = version;
return -1;
}
int index = -1;
Lock writeLock = globalLock.writeLock();
boolean needToFlush = false;
try {
writeLock.lock();
totalUpdatesCounter.inc();
if (uidToArrayIndex.containsKey(uid)) {
index = uidToArrayIndex.get(uid);
} else {
insertedDocumentsCounter.inc();
synchronized (deletedIndexes) {
if (deletedIndexes.size() > 0) {
index = deletedIndexes.removeInt(deletedIndexes.size() - 1);
} else {
index = indexSize.getAndIncrement();
}
}
uidToArrayIndex.put(uid, index);
recentlyAddedUids.add(uid);
needToFlush = updateBatch.addFieldUpdate(new Update(index, uid));
}
boolean currentUpdate = updateActivities(map, index);
needToFlush = needToFlush || currentUpdate;
lastVersion = version;
} finally {
writeLock.unlock();
}
if (needToFlush) {
flush();
}
return index;
}
