Examples with GPC org.apache.ignite.internal.util.typedef.internal.GPC used on opensource projects

Example 1 with GPC

use of org.apache.ignite.internal.util.typedef.internal.GPC in project ignite by apache.

the class DataStreamerImpl method load0.

/**
 * @param entries Entries.
 * @param resFut Result future.
 * @param activeKeys Active keys.
 * @param remaps Remaps count.
 * @param remapNode Node for remap. In case update with {@code allowOverride() == false} fails on one node,
 * we don't need to send update request to all affinity nodes again, if topology version does not changed.
 * @param remapTopVer Topology version.
 */
private void load0(Collection<? extends DataStreamerEntry> entries, final GridFutureAdapter<Object> resFut, @Nullable final Collection<KeyCacheObjectWrapper> activeKeys, final int remaps, ClusterNode remapNode, AffinityTopologyVersion remapTopVer) {
    try {
        assert entries != null;
        final boolean remap = remaps > 0;
        if (!remap) {
            // Failed data should be processed prior to new data.
            acquireRemapSemaphore();
        }
        if (!isWarningPrinted) {
            synchronized (this) {
                if (!allowOverwrite() && !isWarningPrinted) {
                    U.warn(log, "Data streamer will not overwrite existing cache entries for better performance " + "(to change, set allowOverwrite to true)");
                }
                isWarningPrinted = true;
            }
        }
        Map<ClusterNode, Collection<DataStreamerEntry>> mappings = new HashMap<>();
        boolean initPda = ctx.deploy().enabled() && jobPda == null;
        GridCacheAdapter cache = ctx.cache().internalCache(cacheName);
        if (cache == null)
            throw new IgniteCheckedException("Cache not created or already destroyed.");
        GridCacheContext cctx = cache.context();
        GridCacheGateway gate = null;
        AffinityTopologyVersion topVer;
        if (!cctx.isLocal()) {
            GridDhtPartitionsExchangeFuture exchFut = ctx.cache().context().exchange().lastTopologyFuture();
            if (!exchFut.isDone()) {
                ExchangeActions acts = exchFut.exchangeActions();
                if (acts != null && acts.cacheStopped(CU.cacheId(cacheName)))
                    throw new CacheStoppedException(cacheName);
            }
            // It is safe to block here even if the cache gate is acquired.
            topVer = exchFut.get();
        } else
            topVer = ctx.cache().context().exchange().readyAffinityVersion();
        List<List<ClusterNode>> assignments = cctx.affinity().assignments(topVer);
        if (!allowOverwrite() && !cctx.isLocal()) {
            // Cases where cctx required.
            gate = cctx.gate();
            gate.enter();
        }
        try {
            for (DataStreamerEntry entry : entries) {
                List<ClusterNode> nodes;
                try {
                    KeyCacheObject key = entry.getKey();
                    assert key != null;
                    if (initPda) {
                        if (cacheObjCtx.addDeploymentInfo())
                            jobPda = new DataStreamerPda(key.value(cacheObjCtx, false), entry.getValue() != null ? entry.getValue().value(cacheObjCtx, false) : null, rcvr);
                        else if (rcvr != null)
                            jobPda = new DataStreamerPda(rcvr);
                        initPda = false;
                    }
                    if (key.partition() == -1)
                        key.partition(cctx.affinity().partition(key, false));
                    if (!allowOverwrite() && remapNode != null && F.eq(topVer, remapTopVer))
                        nodes = Collections.singletonList(remapNode);
                    else
                        nodes = nodes(key, topVer, cctx);
                } catch (IgniteCheckedException e) {
                    resFut.onDone(e);
                    return;
                }
                if (F.isEmpty(nodes)) {
                    resFut.onDone(new ClusterTopologyException("Failed to map key to node " + "(no nodes with cache found in topology) [infos=" + entries.size() + ", cacheName=" + cacheName + ']'));
                    return;
                }
                for (ClusterNode node : nodes) {
                    Collection<DataStreamerEntry> col = mappings.get(node);
                    if (col == null)
                        mappings.put(node, col = new ArrayList<>());
                    col.add(entry);
                }
            }
            for (final Map.Entry<ClusterNode, Collection<DataStreamerEntry>> e : mappings.entrySet()) {
                final ClusterNode node = e.getKey();
                final UUID nodeId = e.getKey().id();
                Buffer buf = bufMappings.get(nodeId);
                if (buf == null) {
                    Buffer old = bufMappings.putIfAbsent(nodeId, buf = new Buffer(e.getKey()));
                    if (old != null)
                        buf = old;
                }
                final Collection<DataStreamerEntry> entriesForNode = e.getValue();
                IgniteInClosure<IgniteInternalFuture<?>> lsnr = new IgniteInClosure<IgniteInternalFuture<?>>() {

                    @Override
                    public void apply(IgniteInternalFuture<?> t) {
                        try {
                            t.get();
                            if (activeKeys != null) {
                                for (DataStreamerEntry e : entriesForNode) activeKeys.remove(new KeyCacheObjectWrapper(e.getKey()));
                                if (activeKeys.isEmpty())
                                    resFut.onDone();
                            } else {
                                assert entriesForNode.size() == 1;
                                // That has been a single key,
                                // so complete result future right away.
                                resFut.onDone();
                            }
                        } catch (IgniteClientDisconnectedCheckedException e1) {
                            if (log.isDebugEnabled())
                                log.debug("Future finished with disconnect error [nodeId=" + nodeId + ", err=" + e1 + ']');
                            resFut.onDone(e1);
                        } catch (IgniteCheckedException e1) {
                            if (log.isDebugEnabled())
                                log.debug("Future finished with error [nodeId=" + nodeId + ", err=" + e1 + ']');
                            if (cancelled) {
                                resFut.onDone(new IgniteCheckedException("Data streamer has been cancelled: " + DataStreamerImpl.this, e1));
                            } else if (remaps + 1 > maxRemapCnt) {
                                resFut.onDone(new IgniteCheckedException("Failed to finish operation (too many remaps): " + remaps, e1));
                            } else if (X.hasCause(e1, IgniteClusterReadOnlyException.class)) {
                                resFut.onDone(new IgniteClusterReadOnlyException("Failed to finish operation. Cluster in read-only mode!", e1));
                            } else {
                                try {
                                    remapSem.acquire();
                                    final Runnable r = new Runnable() {

                                        @Override
                                        public void run() {
                                            try {
                                                if (cancelled)
                                                    closedException();
                                                load0(entriesForNode, resFut, activeKeys, remaps + 1, node, topVer);
                                            } catch (Throwable ex) {
                                                resFut.onDone(new IgniteCheckedException("DataStreamer remapping failed. ", ex));
                                            } finally {
                                                remapSem.release();
                                            }
                                        }
                                    };
                                    dataToRemap.add(r);
                                    if (!remapOwning.get() && remapOwning.compareAndSet(false, true)) {
                                        ctx.closure().callLocalSafe(new GPC<Boolean>() {

                                            @Override
                                            public Boolean call() {
                                                boolean locked = true;
                                                while (locked || !dataToRemap.isEmpty()) {
                                                    if (!locked && !remapOwning.compareAndSet(false, true))
                                                        return false;
                                                    try {
                                                        Runnable r = dataToRemap.poll();
                                                        if (r != null)
                                                            r.run();
                                                    } finally {
                                                        if (!dataToRemap.isEmpty())
                                                            locked = true;
                                                        else {
                                                            remapOwning.set(false);
                                                            locked = false;
                                                        }
                                                    }
                                                }
                                                return true;
                                            }
                                        }, true);
                                    }
                                } catch (InterruptedException e2) {
                                    resFut.onDone(e2);
                                }
                            }
                        }
                    }
                };
                GridCompoundFuture opFut = new SilentCompoundFuture();
                opFut.listen(lsnr);
                final List<GridFutureAdapter<?>> futs;
                try {
                    futs = buf.update(entriesForNode, topVer, assignments, opFut, remap);
                    opFut.markInitialized();
                } catch (IgniteInterruptedCheckedException e1) {
                    resFut.onDone(e1);
                    return;
                }
                if (ctx.discovery().node(nodeId) == null) {
                    if (bufMappings.remove(nodeId, buf)) {
                        final Buffer buf0 = buf;
                        waitAffinityAndRun(new GridPlainRunnable() {

                            @Override
                            public void run() {
                                buf0.onNodeLeft();
                                if (futs != null) {
                                    Throwable ex = new ClusterTopologyCheckedException("Failed to wait for request completion (node has left): " + nodeId);
                                    for (int i = 0; i < futs.size(); i++) futs.get(i).onDone(ex);
                                }
                            }
                        }, ctx.discovery().topologyVersion(), false);
                    }
                }
            }
        } finally {
            if (gate != null)
                gate.leave();
        }
    } catch (Exception ex) {
        resFut.onDone(new IgniteCheckedException("DataStreamer data loading failed.", ex));
    }
}