/** * Completeness callback. * * @param success {@code True} if lock was acquired. * @param distribute {@code True} if need to distribute lock removal in case of failure. * @return {@code True} if complete by this operation. */ private boolean onComplete(boolean success, boolean distribute) { if (log.isDebugEnabled()) log.debug( "Received onComplete(..) callback [success=" + success + ", distribute=" + distribute + ", fut=" + this + ']'); if (!success) undoLocks(distribute); if (tx != null) cctx.tm().txContext(tx); if (super.onDone(success, err.get())) { if (log.isDebugEnabled()) log.debug("Completing future: " + this); // Clean up. cctx.mvcc().removeFuture(this); if (timeoutObj != null) cctx.time().removeTimeoutObject(timeoutObj); return true; } return false; }
/** {@inheritDoc} */ @Override public boolean onDone(GridCacheTx tx, Throwable err) { if ((initialized() || err != null) && super.onDone(tx, err)) { if (error() instanceof GridCacheTxHeuristicException) { long topVer = this.tx.topologyVersion(); for (GridCacheTxEntry<K, V> e : this.tx.writeMap().values()) { try { if (e.op() != NOOP && !cctx.affinity().localNode(e.key(), topVer)) { GridCacheEntryEx<K, V> cacheEntry = cctx.cache().peekEx(e.key()); if (cacheEntry != null) cacheEntry.invalidate(null, this.tx.xidVersion()); } } catch (Throwable t) { U.error(log, "Failed to invalidate entry.", t); if (t instanceof Error) throw (Error) t; } } } // Don't forget to clean up. cctx.mvcc().removeFuture(this); return true; } return false; }
/** * @param cctx Cache context. * @param prj Projection (optional). * @return Collection of data nodes in provided projection (if any). */ private static Collection<ClusterNode> nodes( final GridCacheContext<?, ?> cctx, @Nullable final ClusterGroup prj, @Nullable final Integer part) { assert cctx != null; final AffinityTopologyVersion topVer = cctx.affinity().affinityTopologyVersion(); Collection<ClusterNode> affNodes = CU.affinityNodes(cctx); if (prj == null && part == null) return affNodes; final Set<ClusterNode> owners = part == null ? Collections.<ClusterNode>emptySet() : new HashSet<>(cctx.topology().owners(part, topVer)); return F.view( affNodes, new P1<ClusterNode>() { @Override public boolean apply(ClusterNode n) { return cctx.discovery().cacheAffinityNode(n, cctx.name()) && (prj == null || prj.node(n.id()) != null) && (part == null || owners.contains(n)); } }); }
/** @return Nodes to execute on. */ private Collection<GridNode> nodes() { GridCacheMode cacheMode = cctx.config().getCacheMode(); switch (cacheMode) { case LOCAL: if (prj != null) U.warn( log, "Ignoring query projection because it's executed over LOCAL cache " + "(only local node will be queried): " + this); return Collections.singletonList(cctx.localNode()); case REPLICATED: if (prj != null) return nodes(cctx, prj); GridCacheDistributionMode mode = cctx.config().getDistributionMode(); return mode == PARTITIONED_ONLY || mode == NEAR_PARTITIONED ? Collections.singletonList(cctx.localNode()) : Collections.singletonList(F.rand(nodes(cctx, null))); case PARTITIONED: return nodes(cctx, prj); default: throw new IllegalStateException("Unknown cache distribution mode: " + cacheMode); } }
/** {@inheritDoc} */ @Override public GridDhtPartitionFullMap partitionMap(boolean onlyActive) { lock.readLock().lock(); try { assert node2part != null && node2part.valid() : "Invalid node2part [node2part: " + node2part + ", cache=" + cctx.name() + ", started=" + cctx.started() + ", stopping=" + stopping + ", locNodeId=" + cctx.localNode().id() + ", locName=" + cctx.gridName() + ']'; GridDhtPartitionFullMap m = node2part; return new GridDhtPartitionFullMap( m.nodeId(), m.nodeOrder(), m.updateSequence(), m, onlyActive); } finally { lock.readLock().unlock(); } }
/** * {@inheritDoc} * * @param ctx */ @Override public void prepareMarshal(GridCacheSharedContext ctx) throws IgniteCheckedException { super.prepareMarshal(ctx); if (ownedVals != null) { ownedValKeys = ownedVals.keySet(); ownedValVals = ownedVals.values(); for (Map.Entry<IgniteTxKey, CacheVersionedValue> entry : ownedVals.entrySet()) { GridCacheContext cacheCtx = ctx.cacheContext(entry.getKey().cacheId()); entry.getKey().prepareMarshal(cacheCtx); entry.getValue().prepareMarshal(cacheCtx.cacheObjectContext()); } } if (retVal != null && retVal.cacheId() != 0) { GridCacheContext cctx = ctx.cacheContext(retVal.cacheId()); assert cctx != null : retVal.cacheId(); retVal.prepareMarshal(cctx); } if (filterFailedKeys != null) { for (IgniteTxKey key : filterFailedKeys) { GridCacheContext cctx = ctx.cacheContext(key.cacheId()); key.prepareMarshal(cctx); } } }
/** * @param updateSeq Update sequence. * @return {@code True} if entry has been transitioned to state EVICTED. */ boolean tryEvict(boolean updateSeq) { if (state.getReference() != RENTING || state.getStamp() != 0 || groupReserved()) return false; // Attempt to evict partition entries from cache. clearAll(); if (map.isEmpty() && state.compareAndSet(RENTING, EVICTED, 0, 0)) { if (log.isDebugEnabled()) log.debug("Evicted partition: " + this); if (!GridQueryProcessor.isEnabled(cctx.config())) clearSwap(); if (cctx.isDrEnabled()) cctx.dr().partitionEvicted(id); cctx.dataStructures().onPartitionEvicted(id); rent.onDone(); ((GridDhtPreloader) cctx.preloader()).onPartitionEvicted(this, updateSeq); clearDeferredDeletes(); return true; } return false; }
/** * @param nodes Nodes. * @param id ID. * @throws IgniteCheckedException If failed. */ private void sendAllPartitions( Collection<? extends ClusterNode> nodes, GridDhtPartitionExchangeId id) throws IgniteCheckedException { GridDhtPartitionsFullMessage m = new GridDhtPartitionsFullMessage(id, lastVer.get(), id.topologyVersion()); for (GridCacheContext cacheCtx : cctx.cacheContexts()) { if (!cacheCtx.isLocal()) { AffinityTopologyVersion startTopVer = cacheCtx.startTopologyVersion(); boolean ready = startTopVer == null || startTopVer.compareTo(id.topologyVersion()) <= 0; if (ready) m.addFullPartitionsMap(cacheCtx.cacheId(), cacheCtx.topology().partitionMap(true)); } } // It is important that client topologies be added after contexts. for (GridClientPartitionTopology top : cctx.exchange().clientTopologies()) m.addFullPartitionsMap(top.cacheId(), top.partitionMap(true)); if (log.isDebugEnabled()) log.debug( "Sending full partition map [nodeIds=" + F.viewReadOnly(nodes, F.node2id()) + ", exchId=" + exchId + ", msg=" + m + ']'); cctx.io().safeSend(nodes, m, SYSTEM_POOL, null); }
/** * @param cctx Context. * @param id Partition ID. */ @SuppressWarnings("ExternalizableWithoutPublicNoArgConstructor") GridDhtLocalPartition(GridCacheContext cctx, int id) { assert cctx != null; this.id = id; this.cctx = cctx; log = U.logger(cctx.kernalContext(), logRef, this); rent = new GridFutureAdapter<Object>() { @Override public String toString() { return "PartitionRentFuture [part=" + GridDhtLocalPartition.this + ", map=" + map + ']'; } }; map = new ConcurrentHashMap8<>(cctx.config().getStartSize() / cctx.affinity().partitions()); int delQueueSize = CU.isSystemCache(cctx.name()) ? 100 : Math.max(MAX_DELETE_QUEUE_SIZE / cctx.affinity().partitions(), 20); rmvQueue = new GridCircularBuffer<>(U.ceilPow2(delQueueSize)); }
/** @return Nodes to execute on. */ private Collection<ClusterNode> nodes() { CacheMode cacheMode = cctx.config().getCacheMode(); switch (cacheMode) { case LOCAL: if (prj != null) U.warn( log, "Ignoring query projection because it's executed over LOCAL cache " + "(only local node will be queried): " + this); return Collections.singletonList(cctx.localNode()); case REPLICATED: if (prj != null || partition() != null) return nodes(cctx, prj, partition()); return cctx.affinityNode() ? Collections.singletonList(cctx.localNode()) : Collections.singletonList(F.rand(nodes(cctx, null, partition()))); case PARTITIONED: return nodes(cctx, prj, partition()); default: throw new IllegalStateException("Unknown cache distribution mode: " + cacheMode); } }
/** * @param mapping Mappings. * @param key Key to map. * @param topVer Topology version. * @return Near lock mapping. * @throws GridException If mapping for key failed. */ private GridNearLockMapping<K, V> map( K key, @Nullable GridNearLockMapping<K, V> mapping, long topVer) throws GridException { assert mapping == null || mapping.node() != null; GridNode primary = cctx.affinity().primary(key, topVer); if (cctx.discovery().node(primary.id()) == null) // If primary node left the grid before lock acquisition, fail the whole future. throw newTopologyException(null, primary.id()); if (inTx() && tx.groupLock() && !primary.isLocal()) throw new GridException( "Failed to start group lock transaction (local node is not primary for " + " key) [key=" + key + ", primaryNodeId=" + primary.id() + ']'); if (mapping == null || !primary.id().equals(mapping.node().id())) mapping = new GridNearLockMapping<>(primary, key); else mapping.addKey(key); return mapping; }
/** {@inheritDoc} */ @Override public void prepareMarshal(GridCacheContext<K, V> ctx) throws GridException { super.prepareMarshal(ctx); if (entries != null) { if (ctx.deploymentEnabled()) prepareObjects(entries, ctx); entriesBytes = ctx.marshaller().marshal(entries); } }
/** * Updates partition map in all caches. * * @param msg Partitions single message. */ private void updatePartitionSingleMap(GridDhtPartitionsSingleMessage msg) { for (Map.Entry<Integer, GridDhtPartitionMap> entry : msg.partitions().entrySet()) { Integer cacheId = entry.getKey(); GridCacheContext cacheCtx = cctx.cacheContext(cacheId); GridDhtPartitionTopology top = cacheCtx != null ? cacheCtx.topology() : cctx.exchange().clientTopology(cacheId, this); top.update(exchId, entry.getValue()); } }
/** * @param cacheCtx Cache context. * @throws IgniteCheckedException If failed. */ private void initTopology(GridCacheContext cacheCtx) throws IgniteCheckedException { if (stopping(cacheCtx.cacheId())) return; if (canCalculateAffinity(cacheCtx)) { if (log.isDebugEnabled()) log.debug( "Will recalculate affinity [locNodeId=" + cctx.localNodeId() + ", exchId=" + exchId + ']'); cacheCtx.affinity().calculateAffinity(exchId.topologyVersion(), discoEvt); } else { if (log.isDebugEnabled()) log.debug( "Will request affinity from remote node [locNodeId=" + cctx.localNodeId() + ", exchId=" + exchId + ']'); // Fetch affinity assignment from remote node. GridDhtAssignmentFetchFuture fetchFut = new GridDhtAssignmentFetchFuture( cacheCtx, exchId.topologyVersion(), CU.affinityNodes(cacheCtx, exchId.topologyVersion())); fetchFut.init(); List<List<ClusterNode>> affAssignment = fetchFut.get(); if (log.isDebugEnabled()) log.debug( "Fetched affinity from remote node, initializing affinity assignment [locNodeId=" + cctx.localNodeId() + ", topVer=" + exchId.topologyVersion() + ']'); if (affAssignment == null) { affAssignment = new ArrayList<>(cacheCtx.affinity().partitions()); List<ClusterNode> empty = Collections.emptyList(); for (int i = 0; i < cacheCtx.affinity().partitions(); i++) affAssignment.add(empty); } cacheCtx.affinity().initializeAffinity(exchId.topologyVersion(), affAssignment); } }
/** * @param cacheId Cache ID to check. * @param topVer Topology version. * @return {@code True} if cache was added during this exchange. */ public boolean isCacheAdded(int cacheId, AffinityTopologyVersion topVer) { if (!F.isEmpty(reqs)) { for (DynamicCacheChangeRequest req : reqs) { if (req.start() && !req.clientStartOnly()) { if (CU.cacheId(req.cacheName()) == cacheId) return true; } } } GridCacheContext<?, ?> cacheCtx = cctx.cacheContext(cacheId); return cacheCtx != null && F.eq(cacheCtx.startTopologyVersion(), topVer); }
/** * Updates partition map in all caches. * * @param msg Partitions full messages. */ private void updatePartitionFullMap(GridDhtPartitionsFullMessage msg) { for (Map.Entry<Integer, GridDhtPartitionFullMap> entry : msg.partitions().entrySet()) { Integer cacheId = entry.getKey(); GridCacheContext cacheCtx = cctx.cacheContext(cacheId); if (cacheCtx != null) cacheCtx.topology().update(exchId, entry.getValue()); else { ClusterNode oldest = CU.oldestAliveCacheServerNode(cctx, AffinityTopologyVersion.NONE); if (oldest != null && oldest.isLocal()) cctx.exchange().clientTopology(cacheId, this).update(exchId, entry.getValue()); } } }
/** {@inheritDoc} */ @Override public Collection<ClusterNode> nodes(int p, AffinityTopologyVersion topVer) { Collection<ClusterNode> affNodes = cctx.affinity().nodes(p, topVer); lock.readLock().lock(); try { assert node2part != null && node2part.valid() : "Invalid node-to-partitions map [topVer1=" + topVer + ", topVer2=" + this.topVer + ", cache=" + cctx.name() + ", node2part=" + node2part + ']'; Collection<ClusterNode> nodes = null; Collection<UUID> nodeIds = part2node.get(p); if (!F.isEmpty(nodeIds)) { Collection<UUID> affIds = new HashSet<>(F.viewReadOnly(affNodes, F.node2id())); for (UUID nodeId : nodeIds) { if (!affIds.contains(nodeId) && hasState(p, nodeId, OWNING, MOVING, RENTING)) { ClusterNode n = cctx.discovery().node(nodeId); if (n != null && (topVer.topologyVersion() < 0 || n.order() <= topVer.topologyVersion())) { if (nodes == null) { nodes = new ArrayList<>(affNodes.size() + 2); nodes.addAll(affNodes); } nodes.add(n); } } } } return nodes != null ? nodes : affNodes; } finally { lock.readLock().unlock(); } }
/** * @param rmtReducer Optional reducer. * @param rmtTransform Optional transformer. * @param args Arguments. * @return Future. */ @SuppressWarnings("IfMayBeConditional") private <R> GridCacheQueryFuture<R> execute( @Nullable GridReducer<T, R> rmtReducer, @Nullable GridClosure<T, R> rmtTransform, @Nullable Object... args) { Collection<GridNode> nodes = nodes(); cctx.checkSecurity(GridSecurityPermission.CACHE_READ); if (F.isEmpty(nodes)) return new GridCacheQueryErrorFuture<>( cctx.kernalContext(), new GridEmptyProjectionException("There are no data nodes for cache: " + cctx.namexx())); if (log.isDebugEnabled()) log.debug("Executing query [query=" + this + ", nodes=" + nodes + ']'); if (cctx.deploymentEnabled()) { try { cctx.deploy().registerClasses(filter, rmtReducer, rmtTransform); cctx.deploy().registerClasses(args); } catch (GridException e) { return new GridCacheQueryErrorFuture<>(cctx.kernalContext(), e); } } if (subjId == null) subjId = cctx.localNodeId(); taskHash = cctx.kernalContext().job().currentTaskNameHash(); GridCacheQueryBean bean = new GridCacheQueryBean( this, (GridReducer<Object, Object>) rmtReducer, (GridClosure<Object, Object>) rmtTransform, args); GridCacheQueryManager qryMgr = cctx.queries(); boolean loc = nodes.size() == 1 && F.first(nodes).id().equals(cctx.localNodeId()); if (type == SQL_FIELDS) return (GridCacheQueryFuture<R>) (loc ? qryMgr.queryFieldsLocal(bean) : qryMgr.queryFieldsDistributed(bean, nodes)); else return (GridCacheQueryFuture<R>) (loc ? qryMgr.queryLocal(bean) : qryMgr.queryDistributed(bean, nodes)); }
/** * @param ctx Cache registry. * @param implicit Implicit flag. * @param implicitSingle Implicit with one key flag. * @param concurrency Concurrency. * @param isolation Isolation. * @param timeout Timeout. * @param invalidate Invalidation policy. * @param syncCommit Synchronous commit flag. * @param syncRollback Synchronous rollback flag. * @param swapEnabled Whether to use swap storage. * @param storeEnabled Whether to use read/write through. */ GridNearTxLocal( GridCacheContext<K, V> ctx, boolean implicit, boolean implicitSingle, GridCacheTxConcurrency concurrency, GridCacheTxIsolation isolation, long timeout, boolean invalidate, boolean syncCommit, boolean syncRollback, boolean swapEnabled, boolean storeEnabled) { super( ctx, ctx.versions().next(), implicit, implicitSingle, concurrency, isolation, timeout, invalidate, swapEnabled, storeEnabled); assert ctx != null; this.syncCommit = syncCommit; this.syncRollback = syncRollback; }
/** {@inheritDoc} */ @SuppressWarnings("TypeMayBeWeakened") @Nullable private Collection<Object> unmarshalFieldsCollection( @Nullable Collection<byte[]> byteCol, GridCacheContext<K, V> ctx, ClassLoader ldr) throws GridException { assert ctx != null; assert ldr != null; Collection<Object> col = unmarshalCollection(byteCol, ctx, ldr); Collection<Object> col0 = null; if (col != null) { col0 = new ArrayList<>(col.size()); for (Object o : col) { List<Object> list = (List<Object>) o; List<Object> list0 = new ArrayList<>(list.size()); for (Object obj : list) list0.add(obj != null ? ctx.marshaller().unmarshal((byte[]) obj, ldr) : null); col0.add(list0); } } return col0; }
/** {@inheritDoc} */ @SuppressWarnings("TypeMayBeWeakened") @Nullable private Collection<byte[]> marshalFieldsCollection( @Nullable Collection<Object> col, GridCacheContext<K, V> ctx) throws GridException { assert ctx != null; if (col == null) return null; Collection<List<Object>> col0 = new ArrayList<>(col.size()); for (Object o : col) { List<GridIndexingEntity<?>> list = (List<GridIndexingEntity<?>>) o; List<Object> list0 = new ArrayList<>(list.size()); for (GridIndexingEntity<?> ent : list) { if (ent.bytes() != null) list0.add(ent.bytes()); else { if (ctx.deploymentEnabled()) prepareObject(ent.value(), ctx); list0.add(CU.marshal(ctx, ent.value())); } } col0.add(list0); } return marshalCollection(col0, ctx); }
/** @param cctx Context. */ GridDhtPartitionTopologyImpl(GridCacheContext<?, ?> cctx) { assert cctx != null; this.cctx = cctx; log = cctx.logger(getClass()); }
/** * @param cctx Context. * @param type Query type. * @param clsName Class name. * @param clause Clause. * @param filter Scan filter. * @param incMeta Include metadata flag. * @param keepPortable Keep portable flag. * @param prjPred Cache projection filter. */ public GridCacheQueryAdapter( GridCacheContext<?, ?> cctx, GridCacheQueryType type, @Nullable GridPredicate<GridCacheEntry<Object, Object>> prjPred, @Nullable String clsName, @Nullable String clause, @Nullable GridBiPredicate<Object, Object> filter, boolean incMeta, boolean keepPortable) { assert cctx != null; assert type != null; this.cctx = cctx; this.type = type; this.clsName = clsName; this.clause = clause; this.prjPred = prjPred; this.filter = filter; this.incMeta = incMeta; this.keepPortable = keepPortable; log = cctx.logger(getClass()); pageSize = DFLT_PAGE_SIZE; timeout = 0; keepAll = true; incBackups = false; dedup = false; prj = null; metrics = new GridCacheQueryMetricsAdapter(); }
/** {@inheritDoc} */ @Override public void printMemoryStats(int threshold) { X.println( ">>> Cache partition topology stats [grid=" + cctx.gridName() + ", cache=" + cctx.name() + ']'); for (GridDhtLocalPartition part : locParts.values()) { int size = part.size(); if (size >= threshold) X.println(">>> Local partition [part=" + part.id() + ", size=" + size + ']'); } }
/** {@inheritDoc} */ @Override public GridCacheEntry<K, V> wrap(boolean prjAware) { GridCacheContext<K, V> nearCtx = cctx.dht().near().context(); GridCacheProjectionImpl<K, V> prjPerCall = nearCtx.projectionPerCall(); if (prjPerCall != null && prjAware) return new GridPartitionedCacheEntryImpl<K, V>(prjPerCall, nearCtx, key, this); GridCacheEntryImpl<K, V> wrapper = this.wrapper; if (wrapper == null) this.wrapper = wrapper = new GridPartitionedCacheEntryImpl<K, V>(null, nearCtx, key, this); return wrapper; }
/** * @param cctx Context. * @param type Query type. * @param clsName Class name. * @param clause Clause. * @param filter Scan filter. * @param part Partition. * @param incMeta Include metadata flag. * @param keepPortable Keep portable flag. */ public GridCacheQueryAdapter( GridCacheContext<?, ?> cctx, GridCacheQueryType type, @Nullable String clsName, @Nullable String clause, @Nullable IgniteBiPredicate<Object, Object> filter, @Nullable Integer part, boolean incMeta, boolean keepPortable) { assert cctx != null; assert type != null; assert part == null || part >= 0; this.cctx = cctx; this.type = type; this.clsName = clsName; this.clause = clause; this.filter = filter; this.part = part; this.incMeta = incMeta; this.keepPortable = keepPortable; log = cctx.logger(getClass()); metrics = new GridCacheQueryMetricsAdapter(); }
/** * @param ctx Cache context. * @param key Cache key. * @param hash Key hash value. * @param val Entry value. * @param next Next entry in the linked list. * @param ttl Time to live. */ public GridDhtCacheEntry( GridCacheContext<K, V> ctx, K key, int hash, V val, GridCacheMapEntry<K, V> next, long ttl) { super(ctx, key, hash, val, next, ttl); // Record this entry with partition. locPart = ctx.dht().topology().onAdded(this); }
/** * Adds a Near key. * * @param key Key. * @param keyBytes Key bytes. * @param ctx Context. * @throws GridException If failed. */ public void addNearKey(K key, byte[] keyBytes, GridCacheContext<K, V> ctx) throws GridException { if (ctx.deploymentEnabled()) prepareObject(key, ctx); if (nearKeyBytes == null) nearKeyBytes = new ArrayList<>(); nearKeyBytes.add(keyBytes); }
/** * @param p Partition. * @param topVer Topology version ({@code -1} for all nodes). * @param state Partition state. * @param states Additional partition states. * @return List of nodes for the partition. */ private List<ClusterNode> nodes( int p, AffinityTopologyVersion topVer, GridDhtPartitionState state, GridDhtPartitionState... states) { Collection<UUID> allIds = topVer.topologyVersion() > 0 ? F.nodeIds(CU.affinityNodes(cctx, topVer)) : null; lock.readLock().lock(); try { assert node2part != null && node2part.valid() : "Invalid node-to-partitions map [topVer=" + topVer + ", allIds=" + allIds + ", node2part=" + node2part + ", cache=" + cctx.name() + ']'; Collection<UUID> nodeIds = part2node.get(p); // Node IDs can be null if both, primary and backup, nodes disappear. int size = nodeIds == null ? 0 : nodeIds.size(); if (size == 0) return Collections.emptyList(); List<ClusterNode> nodes = new ArrayList<>(size); for (UUID id : nodeIds) { if (topVer.topologyVersion() > 0 && !allIds.contains(id)) continue; if (hasState(p, id, state, states)) { ClusterNode n = cctx.discovery().node(id); if (n != null && (topVer.topologyVersion() < 0 || n.order() <= topVer.topologyVersion())) nodes.add(n); } } return nodes; } finally { lock.readLock().unlock(); } }
/** @param m Mapping. */ @SuppressWarnings({"unchecked"}) private void finish(GridDistributedTxMapping<K, V> m) { GridRichNode n = m.node(); assert !m.empty(); GridNearTxFinishRequest req = new GridNearTxFinishRequest<K, V>( futId, tx.xidVersion(), tx.commitVersion(), tx.threadId(), commit, tx.isInvalidate(), m.explicitLock(), tx.topologyVersion(), null, null, null, commit && tx.pessimistic() ? m.writes() : null, tx.syncCommit() && commit || tx.syncRollback() && !commit); // If this is the primary node for the keys. if (n.isLocal()) { req.miniId(GridUuid.randomUuid()); if (CU.DHT_ENABLED) { GridFuture<GridCacheTx> fut = commit ? dht().commitTx(n.id(), req) : dht().rollbackTx(n.id(), req); // Add new future. add(fut); } else // Add done future for testing. add(new GridFinishedFuture<GridCacheTx>(ctx)); } else { MiniFuture fut = new MiniFuture(m); req.miniId(fut.futureId()); add(fut); // Append new future. try { cctx.io().send(n, req); // If we don't wait for result, then mark future as done. if (!isSync() && !m.explicitLock()) fut.onDone(); } catch (GridTopologyException e) { // Remove previous mapping. mappings.remove(m.node().id()); fut.onResult(e); } catch (GridException e) { // Fail the whole thing. fut.onResult(e); } } }