/** * @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)); }
/** Clears values for this partition. */ private void clearAll() { GridCacheVersion clearVer = cctx.versions().next(); boolean swap = cctx.isSwapOrOffheapEnabled(); boolean rec = cctx.events().isRecordable(EVT_CACHE_REBALANCE_OBJECT_UNLOADED); Iterator<GridDhtCacheEntry> it = map.values().iterator(); GridCloseableIterator<Map.Entry<byte[], GridCacheSwapEntry>> swapIt = null; if (swap && GridQueryProcessor.isEnabled(cctx.config())) { // Indexing needs to unswap cache values. Iterator<GridDhtCacheEntry> unswapIt = null; try { swapIt = cctx.swap().iterator(id); unswapIt = unswapIterator(swapIt); } catch (Exception e) { U.error(log, "Failed to clear swap for evicted partition: " + this, e); } if (unswapIt != null) it = F.concat(it, unswapIt); } try { while (it.hasNext()) { GridDhtCacheEntry cached = it.next(); try { if (cached.clearInternal(clearVer, swap)) { map.remove(cached.key(), cached); if (!cached.isInternal()) { mapPubSize.decrement(); if (rec) cctx.events() .addEvent( cached.partition(), cached.key(), cctx.localNodeId(), (IgniteUuid) null, null, EVT_CACHE_REBALANCE_OBJECT_UNLOADED, null, false, cached.rawGet(), cached.hasValue(), null, null, null); } } } catch (IgniteCheckedException e) { U.error(log, "Failed to clear cache entry for evicted partition: " + cached, e); } } } finally { U.close(swapIt, log); } }