/**
* @param nodeId Sender node ID.
* @param req Dht atomic update request.
* @param res Dht atomic update response.
*/
public void processDhtAtomicUpdateRequest(
UUID nodeId, GridDhtAtomicUpdateRequest req, GridDhtAtomicUpdateResponse res) {
GridCacheVersion ver = req.writeVersion();
assert ver != null;
Collection<KeyCacheObject> backupKeys = req.keys();
boolean intercept = req.forceTransformBackups() && ctx.config().getInterceptor() != null;
String taskName = ctx.kernalContext().task().resolveTaskName(req.taskNameHash());
for (int i = 0; i < req.nearSize(); i++) {
KeyCacheObject key = req.nearKey(i);
try {
while (true) {
try {
GridCacheEntryEx entry = peekEx(key);
if (entry == null) {
res.addNearEvicted(key);
break;
}
if (F.contains(backupKeys, key)) { // Reader became backup.
if (entry.markObsolete(ver)) removeEntry(entry);
break;
}
CacheObject val = req.nearValue(i);
EntryProcessor<Object, Object, Object> entryProcessor = req.nearEntryProcessor(i);
GridCacheOperation op =
entryProcessor != null ? TRANSFORM : (val != null) ? UPDATE : DELETE;
long ttl = req.nearTtl(i);
long expireTime = req.nearExpireTime(i);
GridCacheUpdateAtomicResult updRes =
entry.innerUpdate(
ver,
nodeId,
nodeId,
op,
op == TRANSFORM ? entryProcessor : val,
op == TRANSFORM ? req.invokeArguments() : null,
/*write-through*/ false,
/*read-through*/ false,
/*retval*/ false,
req.keepBinary(),
null,
/*event*/ true,
/*metrics*/ true,
/*primary*/ false,
/*check version*/ !req.forceTransformBackups(),
req.topologyVersion(),
CU.empty0(),
DR_NONE,
ttl,
expireTime,
null,
false,
intercept,
req.subjectId(),
taskName,
null,
null);
if (updRes.removeVersion() != null) ctx.onDeferredDelete(entry, updRes.removeVersion());
break;
} catch (GridCacheEntryRemovedException ignored) {
if (log.isDebugEnabled())
log.debug("Got removed entry while updating near value (will retry): " + key);
}
}
} catch (IgniteCheckedException e) {
res.addFailedKey(
key, new IgniteCheckedException("Failed to update near cache key: " + key, e));
}
}
}
