/**
* @param rmtReducer Optional reducer.
* @param rmtTransform Optional transformer.
* @param args Arguments.
* @return Future.
*/
@SuppressWarnings("IfMayBeConditional")
private <R> CacheQueryFuture<R> execute(
@Nullable IgniteReducer<T, R> rmtReducer,
@Nullable IgniteClosure<T, R> rmtTransform,
@Nullable Object... args) {
Collection<ClusterNode> nodes = nodes();
cctx.checkSecurity(SecurityPermission.CACHE_READ);
if (nodes.isEmpty())
return new GridCacheQueryErrorFuture<>(
cctx.kernalContext(), new ClusterGroupEmptyCheckedException());
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 (IgniteCheckedException e) {
return new GridCacheQueryErrorFuture<>(cctx.kernalContext(), e);
}
}
if (subjId == null) subjId = cctx.localNodeId();
taskHash = cctx.kernalContext().job().currentTaskNameHash();
final GridCacheQueryBean bean =
new GridCacheQueryBean(
this,
(IgniteReducer<Object, Object>) rmtReducer,
(IgniteClosure<Object, Object>) rmtTransform,
args);
final GridCacheQueryManager qryMgr = cctx.queries();
boolean loc = nodes.size() == 1 && F.first(nodes).id().equals(cctx.localNodeId());
if (type == SQL_FIELDS || type == SPI)
return (CacheQueryFuture<R>)
(loc ? qryMgr.queryFieldsLocal(bean) : qryMgr.queryFieldsDistributed(bean, nodes));
else if (type == SCAN && part != null && nodes.size() > 1)
return new CacheQueryFallbackFuture<>(nodes, bean, qryMgr);
else
return (CacheQueryFuture<R>)
(loc ? qryMgr.queryLocal(bean) : qryMgr.queryDistributed(bean, nodes));
}
/**
* @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));
}
/**
* @param cctx Context.
* @param keys Keys.
* @param topVer Topology version.
* @param readThrough Read through flag.
* @param forcePrimary If {@code true} then will force network trip to primary node even if called
* on backup node.
* @param subjId Subject ID.
* @param taskName Task name.
* @param deserializeBinary Deserialize binary flag.
* @param expiryPlc Expiry policy.
* @param skipVals Skip values flag.
* @param canRemap Flag indicating whether future can be remapped on a newer topology version.
* @param needVer If {@code true} returns values as tuples containing value and version.
* @param keepCacheObjects Keep cache objects flag.
*/
public GridPartitionedGetFuture(
GridCacheContext<K, V> cctx,
Collection<KeyCacheObject> keys,
AffinityTopologyVersion topVer,
boolean readThrough,
boolean forcePrimary,
@Nullable UUID subjId,
String taskName,
boolean deserializeBinary,
@Nullable IgniteCacheExpiryPolicy expiryPlc,
boolean skipVals,
boolean canRemap,
boolean needVer,
boolean keepCacheObjects) {
super(
cctx,
keys,
readThrough,
forcePrimary,
subjId,
taskName,
deserializeBinary,
expiryPlc,
skipVals,
canRemap,
needVer,
keepCacheObjects);
this.topVer = topVer;
if (log == null) log = U.logger(cctx.kernalContext(), logRef, GridPartitionedGetFuture.class);
}
/**
* @param cctx Context.
* @param nodeId ID of the node that started routine.
* @param entry Entry.
* @throws IgniteCheckedException In case of error.
*/
private void prepareEntry(GridCacheContext cctx, UUID nodeId, CacheContinuousQueryEntry entry)
throws IgniteCheckedException {
if (cctx.kernalContext().config().isPeerClassLoadingEnabled()
&& cctx.discovery().node(nodeId) != null) {
entry.prepareMarshal(cctx);
cctx.deploy().prepare(entry);
} else entry.prepareMarshal(cctx);
}
/**
* @param cctx Cache context.
* @param completionCb Callback to invoke when future is completed.
* @param writeVer Write version.
* @param updateReq Update request.
* @param updateRes Update response.
*/
public GridDhtAtomicUpdateFuture(
GridCacheContext cctx,
CI2<GridNearAtomicUpdateRequest, GridNearAtomicUpdateResponse> completionCb,
GridCacheVersion writeVer,
GridNearAtomicUpdateRequest updateReq,
GridNearAtomicUpdateResponse updateRes) {
this.cctx = cctx;
this.writeVer = writeVer;
futVer = cctx.versions().next(updateReq.topologyVersion());
this.updateReq = updateReq;
this.completionCb = completionCb;
this.updateRes = updateRes;
if (log == null) log = U.logger(cctx.kernalContext(), logRef, GridDhtAtomicUpdateFuture.class);
keys = new ArrayList<>(updateReq.keys().size());
mappings = U.newHashMap(updateReq.keys().size());
boolean topLocked =
updateReq.topologyLocked() || (updateReq.fastMap() && !updateReq.clientRequest());
waitForExchange = !topLocked;
}
/** {@inheritDoc} */
@SuppressWarnings("unchecked")
@Override
public void notifyCallback(
UUID nodeId, UUID routineId, Collection<?> objs, GridKernalContext ctx) {
assert nodeId != null;
assert routineId != null;
assert objs != null;
assert ctx != null;
Collection<CacheContinuousQueryEntry> entries = (Collection<CacheContinuousQueryEntry>) objs;
final GridCacheContext cctx = cacheContext(ctx);
for (CacheContinuousQueryEntry e : entries) {
GridCacheDeploymentManager depMgr = cctx.deploy();
ClassLoader ldr = depMgr.globalLoader();
if (ctx.config().isPeerClassLoadingEnabled()) {
GridDeploymentInfo depInfo = e.deployInfo();
if (depInfo != null) {
depMgr.p2pContext(
nodeId,
depInfo.classLoaderId(),
depInfo.userVersion(),
depInfo.deployMode(),
depInfo.participants(),
depInfo.localDeploymentOwner());
}
}
try {
e.unmarshal(cctx, ldr);
} catch (IgniteCheckedException ex) {
U.error(ctx.log(getClass()), "Failed to unmarshal entry.", ex);
}
}
final IgniteCache cache = cctx.kernalContext().cache().jcache(cctx.name());
Collection<CacheContinuousQueryEntry> entries0 = new ArrayList<>();
for (CacheContinuousQueryEntry e : entries) entries0.addAll(handleEvent(ctx, e));
Iterable<CacheEntryEvent<? extends K, ? extends V>> evts =
F.viewReadOnly(
entries0,
new C1<CacheContinuousQueryEntry, CacheEntryEvent<? extends K, ? extends V>>() {
@Override
public CacheEntryEvent<? extends K, ? extends V> apply(CacheContinuousQueryEntry e) {
return new CacheContinuousQueryEvent<>(cache, cctx, e);
}
},
new IgnitePredicate<CacheContinuousQueryEntry>() {
@Override
public boolean apply(CacheContinuousQueryEntry entry) {
return !entry.isFiltered();
}
});
locLsnr.onUpdated(evts);
}
