/** @throws Exception If failed. */
public void testMapField() throws Exception {
BinaryObjectBuilder builder = builder("Class");
builder.hashCode(100);
builder.setField("mapField", F.asMap(new Key(1), new Value(1), new Key(2), new Value(2)));
builder.setField(
"mapField2", F.asMap(new Key(1), new Value(1), new Key(2), new Value(2)), Map.class);
BinaryObject po = builder.build();
assertEquals(expectedHashCode("Class"), po.type().typeId());
assertEquals(100, po.hashCode());
// Test non-standard map.
Map<Key, Value> map = po.field("mapField");
assertEquals(2, map.size());
for (Map.Entry<Key, Value> e : map.entrySet()) assertEquals(e.getKey().i, e.getValue().i);
// Test binary map
Map<BinaryObject, BinaryObject> map2 = po.field("mapField2");
assertEquals(2, map2.size());
for (Map.Entry<BinaryObject, BinaryObject> e : map2.entrySet())
assertEquals(e.getKey().<Key>deserialize().i, e.getValue().<Value>deserialize().i);
}
/**
* Calculates data nodes for replicated caches on unstable topology.
*
* @param cctx Cache context for main space.
* @param extraSpaces Extra spaces.
* @return Collection of all data nodes owning all the caches or {@code null} for retry.
*/
private Collection<ClusterNode> replicatedUnstableDataNodes(
final GridCacheContext<?, ?> cctx, List<String> extraSpaces) {
assert cctx.isReplicated() : cctx.name() + " must be replicated";
Set<ClusterNode> nodes = replicatedUnstableDataNodes(cctx);
if (F.isEmpty(nodes)) return null; // Retry.
if (!F.isEmpty(extraSpaces)) {
for (String extraSpace : extraSpaces) {
GridCacheContext<?, ?> extraCctx = cacheContext(extraSpace);
if (extraCctx.isLocal()) continue;
if (!extraCctx.isReplicated())
throw new CacheException(
"Queries running on replicated cache should not contain JOINs "
+ "with tables in partitioned caches [rCache="
+ cctx.name()
+ ", pCache="
+ extraSpace
+ "]");
Set<ClusterNode> extraOwners = replicatedUnstableDataNodes(extraCctx);
if (F.isEmpty(extraOwners)) return null; // Retry.
nodes.retainAll(extraOwners);
if (nodes.isEmpty()) return null; // Retry.
}
}
return nodes;
}
/**
* @param c Connection.
* @param space Space.
* @param qry Query.
* @return Cursor for plans.
* @throws IgniteCheckedException if failed.
*/
private Iterator<List<?>> explainPlan(JdbcConnection c, String space, GridCacheTwoStepQuery qry)
throws IgniteCheckedException {
List<List<?>> lists = new ArrayList<>();
for (int i = 0, mapQrys = qry.mapQueries().size(); i < mapQrys; i++) {
ResultSet rs =
h2.executeSqlQueryWithTimer(space, c, "SELECT PLAN FROM " + table(i), null, false);
lists.add(F.asList(getPlan(rs)));
}
int tblIdx = 0;
for (GridCacheSqlQuery mapQry : qry.mapQueries()) {
GridMergeTable tbl = createMergeTable(c, mapQry, false);
fakeTable(c, tblIdx++).setInnerTable(tbl);
}
GridCacheSqlQuery rdc = qry.reduceQuery();
ResultSet rs =
h2.executeSqlQueryWithTimer(
space, c, "EXPLAIN " + rdc.query(), F.asList(rdc.parameters()), false);
lists.add(F.asList(getPlan(rs)));
return lists.iterator();
}
/**
* @param topVer Topology version.
* @param entries Entries.
*/
FinishLockFuture(Iterable<GridDistributedCacheEntry> entries, AffinityTopologyVersion topVer) {
assert topVer.compareTo(AffinityTopologyVersion.ZERO) > 0;
this.topVer = topVer;
for (GridCacheEntryEx entry : entries) {
// Either local or near local candidates.
try {
Collection<GridCacheMvccCandidate> locs = entry.localCandidates();
if (!F.isEmpty(locs)) {
Collection<GridCacheMvccCandidate> cands = new ConcurrentLinkedQueue<>();
cands.addAll(F.view(locs, versionFilter()));
if (!F.isEmpty(cands)) pendingLocks.put(entry.txKey(), cands);
}
} catch (GridCacheEntryRemovedException ignored) {
if (exchLog.isDebugEnabled())
exchLog.debug(
"Got removed entry when adding it to finish lock future (will ignore): " + entry);
}
}
if (exchLog.isDebugEnabled())
exchLog.debug("Pending lock set [topVer=" + topVer + ", locks=" + pendingLocks + ']');
}
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public Collection<BinaryType> metadata() throws BinaryObjectException {
if (clientNode)
return F.viewReadOnly(
clientMetaDataCache.values(),
new IgniteClosure<BinaryTypeImpl, BinaryType>() {
@Override
public BinaryType apply(BinaryTypeImpl meta) {
return meta;
}
});
else {
return F.viewReadOnly(
metaDataCache.entrySetx(metaPred),
new C1<Cache.Entry<PortableMetadataKey, BinaryMetadata>, BinaryType>() {
private static final long serialVersionUID = 0L;
@Override
public BinaryType apply(Cache.Entry<PortableMetadataKey, BinaryMetadata> e) {
return e.getValue().wrap(portableCtx);
}
});
}
}
/**
* @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 ctx Context.
* @param e entry.
* @return Entry collection.
*/
private Collection<CacheContinuousQueryEntry> handleEvent(
GridKernalContext ctx, CacheContinuousQueryEntry e) {
assert e != null;
if (internal) {
if (e.isFiltered()) return Collections.emptyList();
else return F.asList(e);
}
// Initial query entry or evicted entry. These events should be fired immediately.
if (e.updateCounter() == -1L) return F.asList(e);
PartitionRecovery rec = rcvs.get(e.partition());
if (rec == null) {
rec =
new PartitionRecovery(
ctx.log(getClass()),
initTopVer,
initUpdCntrs == null ? null : initUpdCntrs.get(e.partition()));
PartitionRecovery oldRec = rcvs.putIfAbsent(e.partition(), rec);
if (oldRec != null) rec = oldRec;
}
return rec.collectEntries(e);
}
/**
* Checks state of the bean.
*
* @param gridName Grid name.
* @param exec Try to execute something on the grid.
*/
void checkState(String gridName, boolean exec) {
assert log != null;
assert appCtx != null;
assert F.eq(gridName, ignite.name());
if (exec)
// Execute any grid method.
G.ignite(gridName).events().localQuery(F.<Event>alwaysTrue());
}
/** @param nodes Nodes. */
private Queue<ClusterNode> fallbacks(Collection<ClusterNode> nodes) {
Queue<ClusterNode> fallbacks = new LinkedList<>();
ClusterNode node = F.first(F.view(nodes, IS_LOC_NODE));
if (node != null) fallbacks.add(node);
fallbacks.addAll(node != null ? F.view(nodes, F.not(IS_LOC_NODE)) : nodes);
return fallbacks;
}
/**
* @param cacheId Cache ID.
* @return {@code True} if local client has been added.
*/
public boolean isLocalClientAdded(int cacheId) {
if (!F.isEmpty(reqs)) {
for (DynamicCacheChangeRequest req : reqs) {
if (req.start() && F.eq(req.initiatingNodeId(), cctx.localNodeId())) {
if (CU.cacheId(req.cacheName()) == cacheId) return true;
}
}
}
return false;
}
/**
* Checks for explicit events configuration.
*
* @param ignite Grid instance.
* @return {@code true} if all task events explicitly specified in configuration.
*/
public static boolean checkExplicitTaskMonitoring(Ignite ignite) {
int[] evts = ignite.configuration().getIncludeEventTypes();
if (F.isEmpty(evts)) return false;
for (int evt : VISOR_TASK_EVTS) {
if (!F.contains(evts, evt)) return false;
}
return true;
}
/**
* @param mainSpace Main space.
* @param allSpaces All spaces.
* @return List of all extra spaces or {@code null} if none.
*/
private List<String> extraSpaces(String mainSpace, Set<String> allSpaces) {
if (F.isEmpty(allSpaces) || (allSpaces.size() == 1 && allSpaces.contains(mainSpace)))
return null;
ArrayList<String> res = new ArrayList<>(allSpaces.size());
for (String space : allSpaces) {
if (!F.eq(space, mainSpace)) res.add(space);
}
return res;
}
/** @throws Exception If failed. */
@SuppressWarnings({"SynchronizationOnLocalVariableOrMethodParameter"})
public void testStartMultipleGridsFromSpring() throws Exception {
File cfgFile =
GridTestUtils.resolveIgnitePath(
GridTestProperties.getProperty("loader.self.multipletest.config"));
assert cfgFile != null;
String path = cfgFile.getAbsolutePath();
info("Loading Grid from configuration file: " + path);
final GridTuple<IgniteState> gridState1 = F.t(null);
final GridTuple<IgniteState> gridState2 = F.t(null);
final Object mux = new Object();
IgnitionListener factoryLsnr =
new IgnitionListener() {
@Override
public void onStateChange(String name, IgniteState state) {
synchronized (mux) {
if ("grid-factory-test-1".equals(name)) gridState1.set(state);
else if ("grid-factory-test-2".equals(name)) gridState2.set(state);
}
}
};
G.addListener(factoryLsnr);
G.start(path);
assert G.ignite("grid-factory-test-1") != null;
assert G.ignite("grid-factory-test-2") != null;
synchronized (mux) {
assert gridState1.get() == STARTED
: "Invalid grid state [expected=" + STARTED + ", returned=" + gridState1 + ']';
assert gridState2.get() == STARTED
: "Invalid grid state [expected=" + STARTED + ", returned=" + gridState2 + ']';
}
G.stop("grid-factory-test-1", true);
G.stop("grid-factory-test-2", true);
synchronized (mux) {
assert gridState1.get() == STOPPED
: "Invalid grid state [expected=" + STOPPED + ", returned=" + gridState1 + ']';
assert gridState2.get() == STOPPED
: "Invalid grid state [expected=" + STOPPED + ", returned=" + gridState2 + ']';
}
}
/**
* @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);
}
/** {@inheritDoc} */
@Override
public boolean equals(Object o) {
if (o == this) return true;
if (o == null || getClass() != o.getClass()) return false;
IgfsBlockLocationImpl that = (IgfsBlockLocationImpl) o;
return len == that.len
&& start == that.start
&& F.eq(nodeIds, that.nodeIds)
&& F.eq(names, that.names)
&& F.eq(hosts, that.hosts);
}
/** Initializes future. */
@SuppressWarnings({"SimplifiableIfStatement", "IfMayBeConditional"})
public void finish() {
boolean sync;
if (!F.isEmpty(dhtMap) || !F.isEmpty(nearMap)) sync = finish(dhtMap, nearMap);
else if (!commit && !F.isEmpty(tx.lockTransactionNodes()))
sync = rollbackLockTransactions(tx.lockTransactionNodes());
else
// No backup or near nodes to send commit message to (just complete then).
sync = false;
markInitialized();
if (!sync) onComplete();
}
/** {@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 maps Mappings. */
void addEntryMapping(@Nullable Collection<GridDistributedTxMapping> maps) {
if (!F.isEmpty(maps)) {
for (GridDistributedTxMapping map : maps) {
ClusterNode n = map.node();
GridDistributedTxMapping m = mappings.get(n.id());
if (m == null) {
mappings.put(m = new GridDistributedTxMapping(n));
m.near(map.near());
if (map.explicitLock()) m.markExplicitLock();
}
for (IgniteTxEntry entry : map.entries()) m.add(entry);
}
if (log.isDebugEnabled())
log.debug(
"Added mappings to transaction [locId="
+ cctx.localNodeId()
+ ", mappings="
+ maps
+ ", tx="
+ this
+ ']');
}
}
/**
* @param exp Expected.
* @param act Actual.
*/
protected void assertEqualsCollections(Collection<?> exp, Collection<?> act) {
if (exp.size() != act.size())
fail("Collections are not equal:\nExpected:\t" + exp + "\nActual:\t" + act);
Iterator<?> it1 = exp.iterator();
Iterator<?> it2 = act.iterator();
int idx = 0;
while (it1.hasNext()) {
Object item1 = it1.next();
Object item2 = it2.next();
if (!F.eq(item1, item2))
fail(
"Collections are not equal (position "
+ idx
+ "):\nExpected: "
+ exp
+ "\nActual: "
+ act);
idx++;
}
}
/** @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);
}
}
/** @throws Exception If failed. */
public void testClientService() throws Exception {
UUID clientNodeId = grid(0).cluster().localNode().id();
for (int i = 0; i < NODES_CNT; i++) {
log.info("Iteration: " + i);
Ignite ignite = grid(i);
ignite
.services(ignite.cluster().forClients())
.deployNodeSingleton(SINGLETON_NAME, new TestService());
ClusterGroup grp = ignite.cluster();
assertEquals(NODES_CNT, grp.nodes().size());
Collection<ServiceDescriptor> srvDscs = ignite.services(grp).serviceDescriptors();
assertEquals(1, srvDscs.size());
Map<UUID, Integer> nodesMap = F.first(srvDscs).topologySnapshot();
assertEquals(1, nodesMap.size());
for (Map.Entry<UUID, Integer> nodeInfo : nodesMap.entrySet()) {
assertEquals(clientNodeId, nodeInfo.getKey());
assertEquals(1, nodeInfo.getValue().intValue());
}
ignite.services().cancelAll();
}
}
/** {@inheritDoc} */
@Override
public void setOwner(Path p, String usr, String grp) throws IOException {
A.notNull(p, "p");
A.notNull(usr, "username");
A.notNull(grp, "grpName");
enterBusy();
try {
if (mode(p) == PROXY) secondaryFileSystem().setOwner(toSecondary(p), usr, grp);
else if (rmtClient.update(
convert(p), F.asMap(IgfsUtils.PROP_USER_NAME, usr, IgfsUtils.PROP_GROUP_NAME, grp))
== null) {
throw new IOException(
"Failed to set file permission (file not found?)"
+ " [path="
+ p
+ ", username="******", grpName="
+ grp
+ ']');
}
} finally {
leaveBusy();
}
}
/**
* @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));
}
});
}
/** {@inheritDoc} */
@Override
protected IgniteInternalFuture<Map<K, V>> getAllAsync(
@Nullable Collection<? extends K> keys,
boolean forcePrimary,
boolean skipTx,
@Nullable UUID subjId,
String taskName,
boolean deserializeBinary,
boolean skipVals,
boolean canRemap) {
ctx.checkSecurity(SecurityPermission.CACHE_READ);
if (F.isEmpty(keys)) return new GridFinishedFuture<>(Collections.<K, V>emptyMap());
if (keyCheck) validateCacheKeys(keys);
CacheOperationContext opCtx = ctx.operationContextPerCall();
subjId = ctx.subjectIdPerCall(subjId, opCtx);
return loadAsync(
null,
ctx.cacheKeysView(keys),
forcePrimary,
subjId,
taskName,
deserializeBinary,
skipVals ? null : opCtx != null ? opCtx.expiry() : null,
skipVals,
opCtx != null && opCtx.skipStore(),
canRemap);
}
/** {@inheritDoc} */
@Override
public final Map<? extends ComputeJob, ClusterNode> map(List<ClusterNode> subgrid, T arg) {
assert subgrid != null;
assert !subgrid.isEmpty();
Collection<? extends ComputeJob> jobs = split(subgrid.size(), arg);
if (F.isEmpty(jobs)) throw new IgniteException("Split returned no jobs.");
Map<ComputeJob, ClusterNode> map = U.newHashMap(jobs.size());
for (ComputeJob job : jobs) {
ClusterNode old = map.put(job, balancer.getBalancedNode(job, null));
if (old != null)
throw new IgniteException(
"Failed to map task (same job instance is being mapped more than once) "
+ "[job="
+ job
+ ", task="
+ this
+ ']');
}
return map;
}
/**
* Callback for backup update response.
*
* @param nodeId Backup node ID.
* @param updateRes Update response.
*/
public void onResult(UUID nodeId, GridDhtAtomicUpdateResponse updateRes) {
if (log.isDebugEnabled())
log.debug(
"Received DHT atomic update future result [nodeId="
+ nodeId
+ ", updateRes="
+ updateRes
+ ']');
if (updateRes.error() != null)
this.updateRes.addFailedKeys(updateRes.failedKeys(), updateRes.error());
if (!F.isEmpty(updateRes.nearEvicted())) {
for (KeyCacheObject key : updateRes.nearEvicted()) {
GridDhtCacheEntry entry = nearReadersEntries.get(key);
try {
entry.removeReader(nodeId, updateRes.messageId());
} catch (GridCacheEntryRemovedException e) {
if (log.isDebugEnabled())
log.debug("Entry with evicted reader was removed [entry=" + entry + ", err=" + e + ']');
}
}
}
registerResponse(nodeId);
}
/**
* @param gridName Grid name.
* @return Cache configuration.
* @throws Exception In case of error.
*/
@SuppressWarnings("unchecked")
protected CacheConfiguration cacheConfiguration(String gridName) throws Exception {
CacheConfiguration cfg = defaultCacheConfiguration();
CacheStore<?, ?> store = cacheStore();
if (store != null) {
cfg.setCacheStoreFactory(new TestStoreFactory());
cfg.setReadThrough(true);
cfg.setWriteThrough(true);
cfg.setLoadPreviousValue(true);
}
cfg.setSwapEnabled(swapEnabled());
cfg.setCacheMode(cacheMode());
cfg.setAtomicityMode(atomicityMode());
cfg.setWriteSynchronizationMode(writeSynchronization());
cfg.setNearConfiguration(nearConfiguration());
Class<?>[] idxTypes = indexedTypes();
if (!F.isEmpty(idxTypes)) cfg.setIndexedTypes(idxTypes);
if (cacheMode() == PARTITIONED) cfg.setBackups(1);
return cfg;
}
/**
* Starts multi-update lock. Will wait for topology future is ready.
*
* @return Topology version.
* @throws IgniteCheckedException If failed.
*/
public AffinityTopologyVersion beginMultiUpdate() throws IgniteCheckedException {
IgniteBiTuple<IgniteUuid, GridDhtTopologyFuture> tup = multiTxHolder.get();
if (tup != null)
throw new IgniteCheckedException("Nested multi-update locks are not supported");
top.readLock();
GridDhtTopologyFuture topFut;
AffinityTopologyVersion topVer;
try {
// While we are holding read lock, register lock future for partition release future.
IgniteUuid lockId = IgniteUuid.fromUuid(ctx.localNodeId());
topVer = top.topologyVersion();
MultiUpdateFuture fut = new MultiUpdateFuture(topVer);
MultiUpdateFuture old = multiTxFuts.putIfAbsent(lockId, fut);
assert old == null;
topFut = top.topologyVersionFuture();
multiTxHolder.set(F.t(lockId, topFut));
} finally {
top.readUnlock();
}
topFut.get();
return topVer;
}
/**
* @param ctx Kernal context.
* @param cfg Ignite configuration.
* @param providers Plugin providers.
*/
@SuppressWarnings("TypeMayBeWeakened")
public IgnitePluginProcessor(
GridKernalContext ctx, IgniteConfiguration cfg, List<PluginProvider> providers) {
super(ctx);
ExtensionRegistryImpl registry = new ExtensionRegistryImpl();
for (PluginProvider provider : providers) {
GridPluginContext pluginCtx = new GridPluginContext(ctx, cfg);
if (F.isEmpty(provider.name())) throw new IgniteException("Plugin name can not be empty.");
if (plugins.containsKey(provider.name()))
throw new IgniteException("Duplicated plugin name: " + provider.name());
plugins.put(provider.name(), provider);
pluginCtxMap.put(provider, pluginCtx);
provider.initExtensions(pluginCtx, registry);
if (provider.plugin() == null) throw new IgniteException("Plugin is null.");
}
extensions = registry.createExtensionMap();
}
/**
* Adds owned versions to map.
*
* @param vers Map of owned versions.
*/
public void ownedVersions(Map<IgniteTxKey, GridCacheVersion> vers) {
if (F.isEmpty(vers)) return;
if (owned == null) owned = new GridLeanMap<>(vers.size());
owned.putAll(vers);
}