/** {@inheritDoc} */
@Override
public Map<K, V> peekAll(
@Nullable Collection<? extends K> keys,
@Nullable GridPredicate<? super GridCacheEntry<K, V>>[] filter) {
if (keys == null || keys.isEmpty()) return emptyMap();
final Collection<K> skipped = new GridLeanSet<K>();
final Map<K, V> map = peekAll0(keys, filter, skipped);
if (map.size() + skipped.size() != keys.size()) {
map.putAll(
dht.peekAll(
F.view(
keys,
new P1<K>() {
@Override
public boolean apply(K k) {
return !map.containsKey(k) && !skipped.contains(k);
}
}),
filter));
}
return map;
}
/**
* @param keys keys.
* @param topVer Topology version.
* @return Nodes for the keys.
*/
public Collection<GridNode> remoteNodes(Iterable<? extends K> keys, long topVer) {
Collection<Collection<GridNode>> colcol = new GridLeanSet<>();
for (K key : keys) colcol.add(nodes(key, topVer));
return F.view(F.flatCollections(colcol), F.remoteNodes(cctx.localNodeId()));
}
/** @throws Exception If failed. */
public void testCreateFileColocated() throws Exception {
GridGgfsPath path = new GridGgfsPath("/colocated");
UUID uuid = UUID.randomUUID();
GridUuid affKey;
long idx = 0;
while (true) {
affKey = new GridUuid(uuid, idx);
if (grid(0).mapKeyToNode(DATA_CACHE_NAME, affKey).id().equals(grid(0).localNode().id()))
break;
idx++;
}
try (GridGgfsOutputStream out = fs.create(path, 1024, true, affKey, 0, 1024, null)) {
// Write 5M, should be enough to test distribution.
for (int i = 0; i < 15; i++) out.write(new byte[1024 * 1024]);
}
GridGgfsFile info = fs.info(path);
Collection<GridGgfsBlockLocation> affNodes = fs.affinity(path, 0, info.length());
assertEquals(1, affNodes.size());
Collection<UUID> nodeIds = F.first(affNodes).nodeIds();
assertEquals(1, nodeIds.size());
assertEquals(grid(0).localNode().id(), F.first(nodeIds));
}
/** @param node Node to remove. */
public void removeMappedNode(GridNode node) {
if (mappedDhtNodes.contains(node))
mappedDhtNodes = new ArrayList<>(F.view(mappedDhtNodes, F.notEqualTo(node)));
if (mappedNearNodes != null && mappedNearNodes.contains(node))
mappedNearNodes = new ArrayList<>(F.view(mappedNearNodes, F.notEqualTo(node)));
}
/**
* @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 part Partition.
* @param topVer Topology version.
* @return Backup nodes.
*/
public Collection<GridNode> backups(int part, long topVer) {
Collection<GridNode> nodes = nodes(part, topVer);
assert !F.isEmpty(nodes);
if (nodes.size() <= 1) return Collections.emptyList();
return F.view(nodes, F.notEqualTo(nodes.iterator().next()));
}
/** @throws Exception If failed. */
public void testAffinityPut() throws Exception {
Thread.sleep(2 * TOP_REFRESH_FREQ);
assertEquals(NODES_CNT, client.compute().refreshTopology(false, false).size());
Map<UUID, Grid> gridsByLocNode = new HashMap<>(NODES_CNT);
GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME);
GridClientCompute compute = client.compute();
for (int i = 0; i < NODES_CNT; i++) gridsByLocNode.put(grid(i).localNode().id(), grid(i));
for (int i = 0; i < 100; i++) {
String key = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id();
assertEquals("Affinity mismatch for key: " + key, primaryNodeId, partitioned.affinity(key));
assertEquals(primaryNodeId, partitioned.affinity(key));
// Must go to primary node only. Since backup count is 0, value must present on
// primary node only.
partitioned.put(key, "val" + key);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(key);
if (primaryNodeId.equals(entry.getKey())) assertEquals("val" + key, val);
else assertNull(val);
}
}
// Now check that we will see value in near cache in pinned mode.
for (int i = 100; i < 200; i++) {
String pinnedKey = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, pinnedKey).id();
UUID pinnedNodeId = F.first(F.view(gridsByLocNode.keySet(), F.notEqualTo(primaryNodeId)));
GridClientNode node = compute.node(pinnedNodeId);
partitioned.pinNodes(node).put(pinnedKey, "val" + pinnedKey);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(pinnedKey);
if (primaryNodeId.equals(entry.getKey()) || pinnedNodeId.equals(entry.getKey()))
assertEquals("val" + pinnedKey, val);
else assertNull(val);
}
}
}
/** @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;
}
/** {@inheritDoc} */
@Override
public void stopListenAsync(@Nullable GridInClosure<? super GridFuture<R>>... lsnr) {
if (F.isEmpty(lsnr))
synchronized (mux) {
lsnrs.clear();
}
else
synchronized (mux) {
lsnrs.removeAll(F.asList(lsnr));
}
}
/**
* 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 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;
}
/**
* @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);
}
/** @throws Exception If failed. */
public void testTopologyListener() throws Exception {
final Collection<UUID> added = new ArrayList<>(1);
final Collection<UUID> rmvd = new ArrayList<>(1);
final CountDownLatch addedLatch = new CountDownLatch(1);
final CountDownLatch rmvLatch = new CountDownLatch(1);
assertEquals(NODES_CNT, client.compute().refreshTopology(false, false).size());
GridClientTopologyListener lsnr =
new GridClientTopologyListener() {
@Override
public void onNodeAdded(GridClientNode node) {
added.add(node.nodeId());
addedLatch.countDown();
}
@Override
public void onNodeRemoved(GridClientNode node) {
rmvd.add(node.nodeId());
rmvLatch.countDown();
}
};
client.addTopologyListener(lsnr);
try {
Grid g = startGrid(NODES_CNT + 1);
UUID id = g.localNode().id();
assertTrue(addedLatch.await(2 * TOP_REFRESH_FREQ, MILLISECONDS));
assertEquals(1, added.size());
assertEquals(id, F.first(added));
stopGrid(NODES_CNT + 1);
assertTrue(rmvLatch.await(2 * TOP_REFRESH_FREQ, MILLISECONDS));
assertEquals(1, rmvd.size());
assertEquals(id, F.first(rmvd));
} finally {
client.removeTopologyListener(lsnr);
stopGrid(NODES_CNT + 1);
}
}
/** {@inheritDoc} */
@Override
public GridDeployment getDeployment(final GridUuid ldrId) {
synchronized (mux) {
return F.find(
F.flat(cache.values()),
null,
new P1<SharedDeployment>() {
@Override
public boolean apply(SharedDeployment d) {
return d.classLoaderId().equals(ldrId);
}
});
}
}
/** {@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));
}
/** @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 boolean apply(@Nullable T1 t1, @Nullable T2 t2) {
lazyCompile();
if (expr != null) {
JexlContext ctx = new MapContext();
ctx.set(var1, t1);
ctx.set(var2, t2);
for (Map.Entry<String, Object> e : map.entrySet()) {
ctx.set(e.getKey(), e.getValue());
}
try {
Object obj = expr.evaluate(ctx);
if (obj instanceof Boolean) {
return (Boolean) obj;
}
} catch (Exception ex) {
throw F.wrap(ex);
}
}
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<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 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();
}
/**
* @param mapping Mapping to order.
* @param committedVers Committed versions.
* @param rolledbackVers Rolled back versions.
*/
void orderCompleted(
GridDistributedTxMapping<K, V> mapping,
Collection<GridCacheVersion> committedVers,
Collection<GridCacheVersion> rolledbackVers) {
for (GridCacheTxEntry<K, V> txEntry : F.concat(false, mapping.reads(), mapping.writes())) {
while (true) {
GridDistributedCacheEntry<K, V> entry = (GridDistributedCacheEntry<K, V>) txEntry.cached();
try {
// Handle explicit locks.
GridCacheVersion base =
txEntry.explicitVersion() != null ? txEntry.explicitVersion() : xidVer;
entry.doneRemote(xidVer, base, committedVers, rolledbackVers);
if (ec()) entry.recheck();
break;
} catch (GridCacheEntryRemovedException ignored) {
assert entry.obsoleteVersion() != null;
if (log.isDebugEnabled())
log.debug(
"Replacing obsolete entry in remote transaction [entry="
+ entry
+ ", tx="
+ this
+ ']');
// Replace the entry.
txEntry.cached(cctx.cache().entryEx(txEntry.key()), entry.keyBytes());
}
}
}
}
/** {@inheritDoc} */
@Override
public V unswap(K key) throws GridException {
ctx.denyOnFlags(F.asList(READ, SKIP_SWAP));
// Unswap only from DHT. Near cache does not have swap storage.
return dht.unswap(key);
}
/** {@inheritDoc} */
@Override
public Map<K, V> peekAll(
@Nullable Collection<? extends K> keys, @Nullable Collection<GridCachePeekMode> modes)
throws GridException {
if (keys == null || keys.isEmpty()) return emptyMap();
final Collection<K> skipped = new GridLeanSet<K>();
final Map<K, V> map =
!modes.contains(PARTITIONED_ONLY)
? peekAll0(keys, modes, ctx.tm().localTxx(), skipped)
: new GridLeanMap<K, V>(0);
if (map.size() != keys.size() && !modes.contains(NEAR_ONLY)) {
map.putAll(
dht.peekAll(
F.view(
keys,
new P1<K>() {
@Override
public boolean apply(K k) {
return !map.containsKey(k) && !skipped.contains(k);
}
}),
modes));
}
return map;
}
/**
* 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);
}
/**
* Sends query request.
*
* @param fut Distributed future.
* @param req Request.
* @param nodes Nodes.
* @throws IgniteCheckedException In case of error.
*/
@SuppressWarnings("unchecked")
private void sendRequest(
final GridCacheDistributedQueryFuture<?, ?, ?> fut,
final GridCacheQueryRequest req,
Collection<ClusterNode> nodes)
throws IgniteCheckedException {
assert fut != null;
assert req != null;
assert nodes != null;
final UUID locNodeId = cctx.localNodeId();
ClusterNode locNode = null;
Collection<ClusterNode> rmtNodes = null;
for (ClusterNode n : nodes) {
if (n.id().equals(locNodeId)) locNode = n;
else {
if (rmtNodes == null) rmtNodes = new ArrayList<>(nodes.size());
rmtNodes.add(n);
}
}
// Request should be sent to remote nodes before the query is processed on the local node.
// For example, a remote reducer has a state, we should not serialize and then send
// the reducer changed by the local node.
if (!F.isEmpty(rmtNodes)) {
cctx.io()
.safeSend(
rmtNodes,
req,
cctx.ioPolicy(),
new P1<ClusterNode>() {
@Override
public boolean apply(ClusterNode node) {
fut.onNodeLeft(node.id());
return !fut.isDone();
}
});
}
if (locNode != null) {
cctx.closures()
.callLocalSafe(
new Callable<Object>() {
@Override
public Object call() throws Exception {
req.beforeLocalExecution(cctx);
processQueryRequest(locNodeId, req);
return null;
}
});
}
}
/**
* Resolve load balancer from string definition.
*
* @param balancer Load balancer string definition.
* @return Resolved load balancer.
* @throws GridClientException If loading failed.
*/
private static GridClientLoadBalancer resolveBalancer(String balancer)
throws GridClientException {
if (F.isEmpty(balancer) || "random".equals(balancer)) return new GridClientRandomBalancer();
if ("roundrobin".equals(balancer)) return new GridClientRoundRobinBalancer();
return newInstance(GridClientLoadBalancer.class, balancer);
}
/**
* Resolve data affinity from string definition.
*
* @param affinity Data affinity string definition.
* @return Resolved data affinity.
* @throws GridClientException If loading failed.
*/
private static GridClientDataAffinity resolveAffinity(String affinity)
throws GridClientException {
if (F.isEmpty(affinity)) return null;
if ("partitioned".equals(affinity)) return new GridClientPartitionAffinity();
return newInstance(GridClientDataAffinity.class, affinity);
}
/** {@inheritDoc} */
@Override
public String cacheName() {
try {
return (String) job.getDeployment().annotatedValue(job.getJob(), GridCacheName.class);
} catch (GridException e) {
throw F.wrap(e);
}
}
/** {@inheritDoc} */
@Override
public <T> T affinityKey() {
try {
return (T) job.getDeployment().annotatedValue(job.getJob(), GridCacheAffinityMapped.class);
} catch (GridException e) {
throw F.wrap(e);
}
}