/** @param res Result callback. */ void onResult(GridNearLockResponse<K, V> res) { if (rcvRes.compareAndSet(false, true)) { if (res.error() != null) { if (log.isDebugEnabled()) log.debug( "Finishing mini future with an error due to error in response [miniFut=" + this + ", res=" + res + ']'); // Fail. if (res.error() instanceof GridCacheLockTimeoutException) onDone(false); else onDone(res.error()); return; } int i = 0; long topVer = topSnapshot.get().topologyVersion(); for (K k : keys) { while (true) { GridNearCacheEntry<K, V> entry = cctx.near().entryExx(k, topVer); try { if (res.dhtVersion(i) == null) { onDone( new GridException( "Failed to receive DHT version from remote node " + "(will fail the lock): " + res)); return; } GridTuple3<GridCacheVersion, V, byte[]> oldValTup = valMap.get(entry.key()); V oldVal = entry.rawGet(); boolean hasOldVal = false; V newVal = res.value(i); byte[] newBytes = res.valueBytes(i); boolean readRecordable = false; if (retval) { readRecordable = cctx.events().isRecordable(EVT_CACHE_OBJECT_READ); if (readRecordable) hasOldVal = entry.hasValue(); } GridCacheVersion dhtVer = res.dhtVersion(i); GridCacheVersion mappedVer = res.mappedVersion(i); if (newVal == null) { if (oldValTup != null) { if (oldValTup.get1().equals(dhtVer)) { newVal = oldValTup.get2(); newBytes = oldValTup.get3(); } oldVal = oldValTup.get2(); } } // Lock is held at this point, so we can set the // returned value if any. entry.resetFromPrimary(newVal, newBytes, lockVer, dhtVer, node.id()); if (inTx() && implicitTx() && tx.onePhaseCommit()) { boolean pass = res.filterResult(i); tx.entry(k).filters(pass ? CU.<K, V>empty() : CU.<K, V>alwaysFalse()); } entry.readyNearLock( lockVer, mappedVer, res.committedVersions(), res.rolledbackVersions(), res.pending()); if (retval) { if (readRecordable) cctx.events() .addEvent( entry.partition(), entry.key(), tx, null, EVT_CACHE_OBJECT_READ, newVal, newVal != null || newBytes != null, oldVal, hasOldVal, CU.subjectId(tx, cctx)); cctx.cache().metrics0().onRead(false); } if (log.isDebugEnabled()) log.debug("Processed response for entry [res=" + res + ", entry=" + entry + ']'); break; // Inner while loop. } catch (GridCacheEntryRemovedException ignored) { if (log.isDebugEnabled()) log.debug("Failed to add candidates because entry was removed (will renew)."); // Replace old entry with new one. entries.set(i, (GridDistributedCacheEntry<K, V>) cctx.cache().entryEx(entry.key())); } catch (GridException e) { onDone(e); return; } } i++; } try { proceedMapping(mappings); } catch (GridException e) { onDone(e); } onDone(true); } }