Examples with GridCacheReturn org.apache.ignite.internal.processors.cache.GridCacheReturn used on opensource projects

Example 11 with GridCacheReturn

use of org.apache.ignite.internal.processors.cache.GridCacheReturn in project ignite by apache.

the class GridNearTxLocal method optimisticPutFuture.

/**
     * @param cacheCtx Cache context.
     * @param loadFut Missing keys load future.
     * @param ret Future result.
     * @param keepBinary Keep binary flag.
     * @return Future.
     */
private IgniteInternalFuture optimisticPutFuture(final GridCacheContext cacheCtx, IgniteInternalFuture<Void> loadFut, final GridCacheReturn ret, final boolean keepBinary) {
    if (implicit()) {
        // with prepare response, if required.
        assert loadFut.isDone();
        try {
            loadFut.get();
        } catch (IgniteCheckedException e) {
            return new GridFinishedFuture<>(e);
        }
        return nonInterruptable(commitNearTxLocalAsync().chain(new CX1<IgniteInternalFuture<IgniteInternalTx>, GridCacheReturn>() {

            @Override
            public GridCacheReturn applyx(IgniteInternalFuture<IgniteInternalTx> txFut) throws IgniteCheckedException {
                try {
                    txFut.get();
                    Object res = implicitRes.value();
                    if (implicitRes.invokeResult()) {
                        assert res == null || res instanceof Map : implicitRes;
                        res = cacheCtx.unwrapInvokeResult((Map) res, keepBinary);
                    }
                    return new GridCacheReturn(cacheCtx, true, keepBinary, res, implicitRes.success());
                } catch (IgniteCheckedException | RuntimeException e) {
                    if (!(e instanceof NodeStoppingException))
                        rollbackNearTxLocalAsync();
                    throw e;
                }
            }
        }));
    } else {
        return nonInterruptable(loadFut.chain(new CX1<IgniteInternalFuture<Void>, GridCacheReturn>() {

            @Override
            public GridCacheReturn applyx(IgniteInternalFuture<Void> f) throws IgniteCheckedException {
                f.get();
                return ret;
            }
        }));
    }
}

Example 12 with GridCacheReturn

use of org.apache.ignite.internal.processors.cache.GridCacheReturn in project ignite by apache.

the class GridNearTxLocal method removeAllAsync0.

/**
     * @param cacheCtx Cache context.
     * @param keys Keys to remove.
     * @param drMap DR map.
     * @param retval Flag indicating whether a value should be returned.
     * @param filter Filter.
     * @param singleRmv {@code True} for single key remove operation ({@link Cache#remove(Object)}.
     * @return Future for asynchronous remove.
     */
@SuppressWarnings("unchecked")
private <K, V> IgniteInternalFuture<GridCacheReturn> removeAllAsync0(final GridCacheContext cacheCtx, @Nullable AffinityTopologyVersion entryTopVer, @Nullable final Collection<? extends K> keys, @Nullable Map<KeyCacheObject, GridCacheVersion> drMap, final boolean retval, @Nullable final CacheEntryPredicate filter, boolean singleRmv) {
    try {
        checkUpdatesAllowed(cacheCtx);
    } catch (IgniteCheckedException e) {
        return new GridFinishedFuture(e);
    }
    cacheCtx.checkSecurity(SecurityPermission.CACHE_REMOVE);
    if (retval)
        needReturnValue(true);
    final Collection<?> keys0;
    if (drMap != null) {
        assert keys == null;
        keys0 = drMap.keySet();
    } else
        keys0 = keys;
    CacheOperationContext opCtx = cacheCtx.operationContextPerCall();
    final Byte dataCenterId;
    if (opCtx != null && opCtx.hasDataCenterId()) {
        assert drMap == null : drMap;
        dataCenterId = opCtx.dataCenterId();
    } else
        dataCenterId = null;
    assert keys0 != null;
    if (log.isDebugEnabled())
        log.debug(S.toString("Called removeAllAsync(...)", "tx", this, false, "keys", keys0, true, "implicit", implicit, false, "retval", retval, false));
    try {
        checkValid();
    } catch (IgniteCheckedException e) {
        return new GridFinishedFuture<>(e);
    }
    final GridCacheReturn ret = new GridCacheReturn(localResult(), false);
    if (F.isEmpty(keys0)) {
        if (implicit()) {
            try {
                commit();
            } catch (IgniteCheckedException e) {
                return new GridFinishedFuture<>(e);
            }
        }
        return new GridFinishedFuture<>(ret.success(true));
    }
    init();
    final Collection<KeyCacheObject> enlisted = new ArrayList<>();
    ExpiryPolicy plc;
    final CacheEntryPredicate[] filters = CU.filterArray(filter);
    if (!F.isEmpty(filters))
        plc = opCtx != null ? opCtx.expiry() : null;
    else
        plc = null;
    final boolean keepBinary = opCtx != null && opCtx.isKeepBinary();
    final IgniteInternalFuture<Void> loadFut = enlistWrite(cacheCtx, entryTopVer, keys0, plc, /*lookup map*/
    null, /*invoke map*/
    null, /*invoke arguments*/
    null, retval, /*lock only*/
    false, filters, ret, enlisted, null, drMap, opCtx != null && opCtx.skipStore(), singleRmv, keepBinary, opCtx != null && opCtx.recovery(), dataCenterId);
    if (log.isDebugEnabled())
        log.debug("Remove keys: " + enlisted);
    // to be rolled back.
    if (pessimistic()) {
        assert loadFut == null || loadFut.isDone() : loadFut;
        if (loadFut != null) {
            try {
                loadFut.get();
            } catch (IgniteCheckedException e) {
                return new GridFinishedFuture<>(e);
            }
        }
        if (log.isDebugEnabled())
            log.debug("Before acquiring transaction lock for remove on keys: " + enlisted);
        long timeout = remainingTime();
        if (timeout == -1)
            return new GridFinishedFuture<>(timeoutException());
        IgniteInternalFuture<Boolean> fut = cacheCtx.cache().txLockAsync(enlisted, timeout, this, false, retval, isolation, isInvalidate(), -1L, -1L);
        PLC1<GridCacheReturn> plc1 = new PLC1<GridCacheReturn>(ret) {

            @Override
            protected GridCacheReturn postLock(GridCacheReturn ret) throws IgniteCheckedException {
                if (log.isDebugEnabled())
                    log.debug("Acquired transaction lock for remove on keys: " + enlisted);
                postLockWrite(cacheCtx, enlisted, ret, /*remove*/
                true, retval, /*read*/
                false, -1L, filters, /*computeInvoke*/
                false);
                return ret;
            }
        };
        if (fut.isDone()) {
            try {
                return nonInterruptable(plc1.apply(fut.get(), null));
            } catch (GridClosureException e) {
                return new GridFinishedFuture<>(e.unwrap());
            } catch (IgniteCheckedException e) {
                try {
                    return nonInterruptable(plc1.apply(false, e));
                } catch (Exception e1) {
                    return new GridFinishedFuture<>(e1);
                }
            }
        } else
            return nonInterruptable(new GridEmbeddedFuture<>(fut, plc1));
    } else {
        if (implicit()) {
            // with prepare response, if required.
            assert loadFut.isDone();
            return nonInterruptable(commitNearTxLocalAsync().chain(new CX1<IgniteInternalFuture<IgniteInternalTx>, GridCacheReturn>() {

                @Override
                public GridCacheReturn applyx(IgniteInternalFuture<IgniteInternalTx> txFut) throws IgniteCheckedException {
                    try {
                        txFut.get();
                        return new GridCacheReturn(cacheCtx, true, keepBinary, implicitRes.value(), implicitRes.success());
                    } catch (IgniteCheckedException | RuntimeException e) {
                        rollbackNearTxLocalAsync();
                        throw e;
                    }
                }
            }));
        } else {
            return nonInterruptable(loadFut.chain(new CX1<IgniteInternalFuture<Void>, GridCacheReturn>() {

                @Override
                public GridCacheReturn applyx(IgniteInternalFuture<Void> f) throws IgniteCheckedException {
                    f.get();
                    return ret;
                }
            }));
        }
    }
}

Example 13 with GridCacheReturn

use of org.apache.ignite.internal.processors.cache.GridCacheReturn in project ignite by apache.

the class GridNearTxFinishFuture method checkBackup.

/**
     *
     */
private void checkBackup() {
    assert !hasFutures() : futures();
    GridDistributedTxMapping mapping = mappings.singleMapping();
    if (mapping != null) {
        UUID nodeId = mapping.primary().id();
        Collection<UUID> backups = tx.transactionNodes().get(nodeId);
        if (!F.isEmpty(backups)) {
            assert backups.size() == 1;
            UUID backupId = F.first(backups);
            ClusterNode backup = cctx.discovery().node(backupId);
            // Nothing to do if backup has left the grid.
            if (backup == null) {
                readyNearMappingFromBackup(mapping);
                ClusterTopologyCheckedException cause = new ClusterTopologyCheckedException("Backup node left grid: " + backupId);
                cause.retryReadyFuture(cctx.nextAffinityReadyFuture(tx.topologyVersion()));
                onDone(new IgniteTxRollbackCheckedException("Failed to commit transaction " + "(backup has left grid): " + tx.xidVersion(), cause));
            } else {
                final CheckBackupMiniFuture mini = new CheckBackupMiniFuture(1, backup, mapping);
                add(mini);
                if (backup.isLocal()) {
                    boolean committed = !cctx.tm().addRolledbackTx(tx);
                    readyNearMappingFromBackup(mapping);
                    if (committed) {
                        try {
                            if (tx.needReturnValue() && tx.implicit()) {
                                GridCacheReturnCompletableWrapper wrapper = cctx.tm().getCommittedTxReturn(tx.xidVersion());
                                assert wrapper != null : tx.xidVersion();
                                GridCacheReturn retVal = wrapper.fut().get();
                                assert retVal != null;
                                tx.implicitSingleResult(retVal);
                            }
                            if (tx.syncMode() == FULL_SYNC) {
                                GridCacheVersion nearXidVer = tx.nearXidVersion();
                                assert nearXidVer != null : tx;
                                IgniteInternalFuture<?> fut = cctx.tm().remoteTxFinishFuture(nearXidVer);
                                fut.listen(new CI1<IgniteInternalFuture<?>>() {

                                    @Override
                                    public void apply(IgniteInternalFuture<?> fut) {
                                        mini.onDone(tx);
                                    }
                                });
                                return;
                            }
                            mini.onDone(tx);
                        } catch (IgniteCheckedException e) {
                            if (msgLog.isDebugEnabled()) {
                                msgLog.debug("Near finish fut, failed to finish [" + "txId=" + tx.nearXidVersion() + ", node=" + backup.id() + ", err=" + e + ']');
                            }
                            mini.onDone(e);
                        }
                    } else {
                        ClusterTopologyCheckedException cause = new ClusterTopologyCheckedException("Primary node left grid: " + nodeId);
                        cause.retryReadyFuture(cctx.nextAffinityReadyFuture(tx.topologyVersion()));
                        mini.onDone(new IgniteTxRollbackCheckedException("Failed to commit transaction " + "(transaction has been rolled back on backup node): " + tx.xidVersion(), cause));
                    }
                } else {
                    GridDhtTxFinishRequest finishReq = checkCommittedRequest(mini.futureId(), false);
                    try {
                        cctx.io().send(backup, finishReq, tx.ioPolicy());
                        if (msgLog.isDebugEnabled()) {
                            msgLog.debug("Near finish fut, sent check committed request [" + "txId=" + tx.nearXidVersion() + ", node=" + backup.id() + ']');
                        }
                    } catch (ClusterTopologyCheckedException ignored) {
                        mini.onNodeLeft(backupId, false);
                    } catch (IgniteCheckedException e) {
                        if (msgLog.isDebugEnabled()) {
                            msgLog.debug("Near finish fut, failed to send check committed request [" + "txId=" + tx.nearXidVersion() + ", node=" + backup.id() + ", err=" + e + ']');
                        }
                        mini.onDone(e);
                    }
                }
            }
        } else
            readyNearMappingFromBackup(mapping);
    }
}

Example 14 with GridCacheReturn

use of org.apache.ignite.internal.processors.cache.GridCacheReturn in project ignite by apache.

the class GridDhtAtomicCache method updateAllAsyncInternal0.

/**
     * Executes local update after preloader fetched values.
     *
     * @param nodeId Node ID.
     * @param req Update request.
     * @param completionCb Completion callback.
     */
private void updateAllAsyncInternal0(UUID nodeId, GridNearAtomicAbstractUpdateRequest req, UpdateReplyClosure completionCb) {
    ClusterNode node = ctx.discovery().node(nodeId);
    if (node == null) {
        U.warn(msgLog, "Skip near update request, node originated update request left [" + "futId=" + req.futureId() + ", node=" + nodeId + ']');
        return;
    }
    GridNearAtomicUpdateResponse res = new GridNearAtomicUpdateResponse(ctx.cacheId(), nodeId, req.futureId(), req.partition(), false, ctx.deploymentEnabled());
    assert !req.returnValue() || (req.operation() == TRANSFORM || req.size() == 1);
    GridDhtAtomicAbstractUpdateFuture dhtFut = null;
    boolean remap = false;
    String taskName = ctx.kernalContext().task().resolveTaskName(req.taskNameHash());
    IgniteCacheExpiryPolicy expiry = null;
    try {
        // If batch store update is enabled, we need to lock all entries.
        // First, need to acquire locks on cache entries, then check filter.
        List<GridDhtCacheEntry> locked = null;
        Collection<IgniteBiTuple<GridDhtCacheEntry, GridCacheVersion>> deleted = null;
        try {
            GridDhtPartitionTopology top = topology();
            top.readLock();
            try {
                if (top.stopping()) {
                    res.addFailedKeys(req.keys(), new IgniteCheckedException("Failed to perform cache operation " + "(cache is stopped): " + name()));
                    completionCb.apply(req, res);
                    return;
                }
                // external transaction or explicit lock.
                if (req.topologyLocked() || !needRemap(req.topologyVersion(), top.topologyVersion())) {
                    ctx.shared().database().ensureFreeSpace(ctx.memoryPolicy());
                    locked = lockEntries(req, req.topologyVersion());
                    boolean hasNear = ctx.discovery().cacheNearNode(node, name());
                    // Assign next version for update inside entries lock.
                    GridCacheVersion ver = ctx.versions().next(top.topologyVersion());
                    if (hasNear)
                        res.nearVersion(ver);
                    if (msgLog.isDebugEnabled()) {
                        msgLog.debug("Assigned update version [futId=" + req.futureId() + ", writeVer=" + ver + ']');
                    }
                    assert ver != null : "Got null version for update request: " + req;
                    boolean sndPrevVal = !top.rebalanceFinished(req.topologyVersion());
                    dhtFut = createDhtFuture(ver, req);
                    expiry = expiryPolicy(req.expiry());
                    GridCacheReturn retVal = null;
                    if (// Several keys ...
                    req.size() > 1 && writeThrough() && // and store is enabled ...
                    !req.skipStore() && // and this is not local store ...
                    !ctx.store().isLocal() && // (conflict resolver should be used for local store)
                    !// and no DR.
                    ctx.dr().receiveEnabled()) {
                        // This method can only be used when there are no replicated entries in the batch.
                        UpdateBatchResult updRes = updateWithBatch(node, hasNear, req, res, locked, ver, dhtFut, ctx.isDrEnabled(), taskName, expiry, sndPrevVal);
                        deleted = updRes.deleted();
                        dhtFut = updRes.dhtFuture();
                        if (req.operation() == TRANSFORM)
                            retVal = updRes.invokeResults();
                    } else {
                        UpdateSingleResult updRes = updateSingle(node, hasNear, req, res, locked, ver, dhtFut, ctx.isDrEnabled(), taskName, expiry, sndPrevVal);
                        retVal = updRes.returnValue();
                        deleted = updRes.deleted();
                        dhtFut = updRes.dhtFuture();
                    }
                    if (retVal == null)
                        retVal = new GridCacheReturn(ctx, node.isLocal(), true, null, true);
                    res.returnValue(retVal);
                    if (dhtFut != null) {
                        if (req.writeSynchronizationMode() == PRIMARY_SYNC && // To avoid deadlock disable back-pressure for sender data node.
                        !ctx.discovery().cacheAffinityNode(ctx.discovery().node(nodeId), ctx.name()) && !dhtFut.isDone()) {
                            final IgniteRunnable tracker = GridNioBackPressureControl.threadTracker();
                            if (tracker != null && tracker instanceof GridNioMessageTracker) {
                                ((GridNioMessageTracker) tracker).onMessageReceived();
                                dhtFut.listen(new IgniteInClosure<IgniteInternalFuture<Void>>() {

                                    @Override
                                    public void apply(IgniteInternalFuture<Void> fut) {
                                        ((GridNioMessageTracker) tracker).onMessageProcessed();
                                    }
                                });
                            }
                        }
                        ctx.mvcc().addAtomicFuture(dhtFut.id(), dhtFut);
                    }
                } else {
                    // Should remap all keys.
                    remap = true;
                    res.remapTopologyVersion(top.topologyVersion());
                }
            } finally {
                top.readUnlock();
            }
        } catch (GridCacheEntryRemovedException e) {
            assert false : "Entry should not become obsolete while holding lock.";
            e.printStackTrace();
        } finally {
            if (locked != null)
                unlockEntries(locked, req.topologyVersion());
            // Enqueue if necessary after locks release.
            if (deleted != null) {
                assert !deleted.isEmpty();
                assert ctx.deferredDelete() : this;
                for (IgniteBiTuple<GridDhtCacheEntry, GridCacheVersion> e : deleted) ctx.onDeferredDelete(e.get1(), e.get2());
            }
            // TODO fire events only after successful fsync
            if (ctx.shared().wal() != null)
                ctx.shared().wal().fsync(null);
        }
    } catch (GridDhtInvalidPartitionException ignore) {
        if (log.isDebugEnabled())
            log.debug("Caught invalid partition exception for cache entry (will remap update request): " + req);
        remap = true;
        res.remapTopologyVersion(ctx.topology().topologyVersion());
    } catch (Throwable e) {
        // At least RuntimeException can be thrown by the code above when GridCacheContext is cleaned and there is
        // an attempt to use cleaned resources.
        U.error(log, "Unexpected exception during cache update", e);
        res.addFailedKeys(req.keys(), e);
        completionCb.apply(req, res);
        if (e instanceof Error)
            throw (Error) e;
        return;
    }
    if (remap) {
        assert dhtFut == null;
        completionCb.apply(req, res);
    } else if (dhtFut != null)
        dhtFut.map(node, res.returnValue(), res, completionCb);
    if (req.writeSynchronizationMode() != FULL_ASYNC)
        req.cleanup(!node.isLocal());
    sendTtlUpdateRequest(expiry);
}

Example 15 with GridCacheReturn

use of org.apache.ignite.internal.processors.cache.GridCacheReturn in project ignite by apache.

the class GridDhtAtomicCache method updateSingle.

/**
     * Updates locked entries one-by-one.
     *
     * @param nearNode Originating node.
     * @param hasNear {@code True} if originating node has near cache.
     * @param req Update request.
     * @param res Update response.
     * @param locked Locked entries.
     * @param ver Assigned update version.
     * @param dhtFut Optional DHT future.
     * @param replicate Whether DR is enabled for that cache.
     * @param taskName Task name.
     * @param expiry Expiry policy.
     * @param sndPrevVal If {@code true} sends previous value to backups.
     * @return Return value.
     * @throws GridCacheEntryRemovedException Should be never thrown.
     */
private UpdateSingleResult updateSingle(ClusterNode nearNode, boolean hasNear, GridNearAtomicAbstractUpdateRequest req, GridNearAtomicUpdateResponse res, List<GridDhtCacheEntry> locked, GridCacheVersion ver, @Nullable GridDhtAtomicAbstractUpdateFuture dhtFut, boolean replicate, String taskName, @Nullable IgniteCacheExpiryPolicy expiry, boolean sndPrevVal) throws GridCacheEntryRemovedException {
    GridCacheReturn retVal = null;
    Collection<IgniteBiTuple<GridDhtCacheEntry, GridCacheVersion>> deleted = null;
    AffinityTopologyVersion topVer = req.topologyVersion();
    boolean checkReaders = hasNear || ctx.discovery().hasNearCache(ctx.cacheId(), topVer);
    boolean intercept = ctx.config().getInterceptor() != null;
    AffinityAssignment affAssignment = ctx.affinity().assignment(topVer);
    // Avoid iterator creation.
    for (int i = 0; i < req.size(); i++) {
        KeyCacheObject k = req.key(i);
        GridCacheOperation op = req.operation();
        // No GridCacheEntryRemovedException can be thrown.
        try {
            GridDhtCacheEntry entry = locked.get(i);
            GridCacheVersion newConflictVer = req.conflictVersion(i);
            long newConflictTtl = req.conflictTtl(i);
            long newConflictExpireTime = req.conflictExpireTime(i);
            assert !(newConflictVer instanceof GridCacheVersionEx) : newConflictVer;
            Object writeVal = op == TRANSFORM ? req.entryProcessor(i) : req.writeValue(i);
            Collection<UUID> readers = null;
            Collection<UUID> filteredReaders = null;
            if (checkReaders) {
                readers = entry.readers();
                filteredReaders = F.view(entry.readers(), F.notEqualTo(nearNode.id()));
            }
            GridCacheUpdateAtomicResult updRes = entry.innerUpdate(ver, nearNode.id(), locNodeId, op, writeVal, req.invokeArguments(), writeThrough() && !req.skipStore(), !req.skipStore(), sndPrevVal || req.returnValue(), req.keepBinary(), expiry, /*event*/
            true, /*metrics*/
            true, /*primary*/
            true, /*verCheck*/
            false, topVer, req.filter(), replicate ? DR_PRIMARY : DR_NONE, newConflictTtl, newConflictExpireTime, newConflictVer, /*conflictResolve*/
            true, intercept, req.subjectId(), taskName, /*prevVal*/
            null, /*updateCntr*/
            null, dhtFut);
            if (dhtFut != null) {
                if (updRes.sendToDht()) {
                    // Send to backups even in case of remove-remove scenarios.
                    GridCacheVersionConflictContext<?, ?> conflictCtx = updRes.conflictResolveResult();
                    if (conflictCtx == null)
                        newConflictVer = null;
                    else if (conflictCtx.isMerge())
                        // Conflict version is discarded in case of merge.
                        newConflictVer = null;
                    EntryProcessor<Object, Object, Object> entryProcessor = null;
                    dhtFut.addWriteEntry(affAssignment, entry, updRes.newValue(), entryProcessor, updRes.newTtl(), updRes.conflictExpireTime(), newConflictVer, sndPrevVal, updRes.oldValue(), updRes.updateCounter());
                    if (!F.isEmpty(filteredReaders))
                        dhtFut.addNearWriteEntries(filteredReaders, entry, updRes.newValue(), entryProcessor, updRes.newTtl(), updRes.conflictExpireTime());
                } else {
                    if (log.isDebugEnabled())
                        log.debug("Entry did not pass the filter or conflict resolution (will skip write) " + "[entry=" + entry + ", filter=" + Arrays.toString(req.filter()) + ']');
                }
            }
            if (hasNear) {
                if (updRes.sendToDht()) {
                    if (!ctx.affinity().partitionBelongs(nearNode, entry.partition(), topVer)) {
                        // If put the same value as in request then do not need to send it back.
                        if (op == TRANSFORM || writeVal != updRes.newValue()) {
                            res.addNearValue(i, updRes.newValue(), updRes.newTtl(), updRes.conflictExpireTime());
                        } else
                            res.addNearTtl(i, updRes.newTtl(), updRes.conflictExpireTime());
                        if (updRes.newValue() != null) {
                            IgniteInternalFuture<Boolean> f = entry.addReader(nearNode.id(), req.messageId(), topVer);
                            assert f == null : f;
                        }
                    } else if (// Reader became primary or backup.
                    F.contains(readers, nearNode.id()))
                        entry.removeReader(nearNode.id(), req.messageId());
                    else
                        res.addSkippedIndex(i);
                } else
                    res.addSkippedIndex(i);
            }
            if (updRes.removeVersion() != null) {
                if (deleted == null)
                    deleted = new ArrayList<>(req.size());
                deleted.add(F.t(entry, updRes.removeVersion()));
            }
            if (op == TRANSFORM) {
                assert !req.returnValue();
                IgniteBiTuple<Object, Exception> compRes = updRes.computedResult();
                if (compRes != null && (compRes.get1() != null || compRes.get2() != null)) {
                    if (retVal == null)
                        retVal = new GridCacheReturn(nearNode.isLocal());
                    retVal.addEntryProcessResult(ctx, k, null, compRes.get1(), compRes.get2(), req.keepBinary());
                }
            } else {
                // Create only once.
                if (retVal == null) {
                    CacheObject ret = updRes.oldValue();
                    retVal = new GridCacheReturn(ctx, nearNode.isLocal(), req.keepBinary(), req.returnValue() ? ret : null, updRes.success());
                }
            }
        } catch (IgniteCheckedException e) {
            res.addFailedKey(k, e);
        }
    }
    return new UpdateSingleResult(retVal, deleted, dhtFut);
}