Examples with GridNearLockMapping org.apache.ignite.internal.processors.cache.distributed.near.GridNearLockMapping used on opensource projects

Example 1 with GridNearLockMapping

use of org.apache.ignite.internal.processors.cache.distributed.near.GridNearLockMapping in project ignite by apache.

the class GridDhtColocatedLockFuture method map0.

/**
     * @param keys Keys to map.
     * @param remap Remap flag.
     * @param topLocked Topology locked flag.
     * @throws IgniteCheckedException If mapping failed.
     */
private synchronized void map0(Collection<KeyCacheObject> keys, boolean remap, boolean topLocked) throws IgniteCheckedException {
    AffinityTopologyVersion topVer = this.topVer;
    assert topVer != null;
    assert topVer.topologyVersion() > 0;
    if (CU.affinityNodes(cctx, topVer).isEmpty()) {
        onDone(new ClusterTopologyServerNotFoundException("Failed to map keys for cache " + "(all partition nodes left the grid): " + cctx.name()));
        return;
    }
    boolean clientNode = cctx.kernalContext().clientNode();
    assert !remap || (clientNode && (tx == null || !tx.hasRemoteLocks()));
    // First assume this node is primary for all keys passed in.
    if (!clientNode && mapAsPrimary(keys, topVer))
        return;
    mappings = new ArrayDeque<>();
    // Assign keys to primary nodes.
    GridNearLockMapping map = null;
    for (KeyCacheObject key : keys) {
        GridNearLockMapping updated = map(key, map, topVer);
        // If new mapping was created, add to collection.
        if (updated != map) {
            mappings.add(updated);
            if (tx != null && updated.node().isLocal())
                tx.colocatedLocallyMapped(true);
        }
        map = updated;
    }
    if (isDone()) {
        if (log.isDebugEnabled())
            log.debug("Abandoning (re)map because future is done: " + this);
        return;
    }
    if (log.isDebugEnabled())
        log.debug("Starting (re)map for mappings [mappings=" + mappings + ", fut=" + this + ']');
    boolean hasRmtNodes = false;
    boolean first = true;
    // Create mini futures.
    for (Iterator<GridNearLockMapping> iter = mappings.iterator(); iter.hasNext(); ) {
        GridNearLockMapping mapping = iter.next();
        ClusterNode node = mapping.node();
        Collection<KeyCacheObject> mappedKeys = mapping.mappedKeys();
        boolean loc = node.equals(cctx.localNode());
        assert !mappedKeys.isEmpty();
        GridNearLockRequest req = null;
        Collection<KeyCacheObject> distributedKeys = new ArrayList<>(mappedKeys.size());
        for (KeyCacheObject key : mappedKeys) {
            IgniteTxKey txKey = cctx.txKey(key);
            GridDistributedCacheEntry entry = null;
            if (tx != null) {
                IgniteTxEntry txEntry = tx.entry(txKey);
                if (txEntry != null) {
                    entry = (GridDistributedCacheEntry) txEntry.cached();
                    if (entry != null && loc == entry.detached()) {
                        entry = cctx.colocated().entryExx(key, topVer, true);
                        txEntry.cached(entry);
                    }
                }
            }
            boolean explicit;
            while (true) {
                try {
                    if (entry == null)
                        entry = cctx.colocated().entryExx(key, topVer, true);
                    if (!cctx.isAll(entry, filter)) {
                        if (log.isDebugEnabled())
                            log.debug("Entry being locked did not pass filter (will not lock): " + entry);
                        onComplete(false, false);
                        return;
                    }
                    assert loc ^ entry.detached() : "Invalid entry [loc=" + loc + ", entry=" + entry + ']';
                    GridCacheMvccCandidate cand = addEntry(entry);
                    // Will either return value from dht cache or null if this is a miss.
                    IgniteBiTuple<GridCacheVersion, CacheObject> val = entry.detached() ? null : ((GridDhtCacheEntry) entry).versionedValue(topVer);
                    GridCacheVersion dhtVer = null;
                    if (val != null) {
                        dhtVer = val.get1();
                        valMap.put(key, val);
                    }
                    if (cand != null && !cand.reentry()) {
                        if (req == null) {
                            boolean clientFirst = false;
                            if (first) {
                                clientFirst = clientNode && !topLocked && (tx == null || !tx.hasRemoteLocks());
                                first = false;
                            }
                            assert !implicitTx() && !implicitSingleTx() : tx;
                            req = new GridNearLockRequest(cctx.cacheId(), topVer, cctx.nodeId(), threadId, futId, lockVer, inTx(), read, retval, isolation(), isInvalidate(), timeout, mappedKeys.size(), inTx() ? tx.size() : mappedKeys.size(), inTx() && tx.syncMode() == FULL_SYNC, inTx() ? tx.subjectId() : null, inTx() ? tx.taskNameHash() : 0, read ? createTtl : -1L, read ? accessTtl : -1L, skipStore, keepBinary, clientFirst, cctx.deploymentEnabled());
                            mapping.request(req);
                        }
                        distributedKeys.add(key);
                        if (tx != null)
                            tx.addKeyMapping(txKey, mapping.node());
                        req.addKeyBytes(key, retval, // Include DHT version to match remote DHT entry.
                        dhtVer, cctx);
                    }
                    explicit = inTx() && cand == null;
                    if (explicit)
                        tx.addKeyMapping(txKey, mapping.node());
                    break;
                } catch (GridCacheEntryRemovedException ignored) {
                    if (log.isDebugEnabled())
                        log.debug("Got removed entry in lockAsync(..) method (will retry): " + entry);
                    entry = null;
                }
            }
            // Mark mapping explicit lock flag.
            if (explicit) {
                boolean marked = tx != null && tx.markExplicit(node.id());
                assert tx == null || marked;
            }
        }
        if (!distributedKeys.isEmpty()) {
            mapping.distributedKeys(distributedKeys);
            hasRmtNodes |= !mapping.node().isLocal();
        } else {
            assert mapping.request() == null;
            iter.remove();
        }
    }
    if (hasRmtNodes) {
        trackable = true;
        if (!remap && !cctx.mvcc().addFuture(this))
            throw new IllegalStateException("Duplicate future ID: " + this);
    } else
        trackable = false;
    proceedMapping();
}

Example 2 with GridNearLockMapping

use of org.apache.ignite.internal.processors.cache.distributed.near.GridNearLockMapping in project ignite by apache.

the class GridDhtColocatedLockFuture method proceedMapping0.

/**
     * Gets next near lock mapping and either acquires dht locks locally or sends near lock request to
     * remote primary node.
     *
     * @throws IgniteCheckedException If mapping can not be completed.
     */
private void proceedMapping0() throws IgniteCheckedException {
    GridNearLockMapping map;
    synchronized (this) {
        map = mappings.poll();
    }
    // If there are no more mappings to process, complete the future.
    if (map == null)
        return;
    final GridNearLockRequest req = map.request();
    final Collection<KeyCacheObject> mappedKeys = map.distributedKeys();
    final ClusterNode node = map.node();
    if (filter != null && filter.length != 0)
        req.filter(filter, cctx);
    if (node.isLocal())
        lockLocally(mappedKeys, req.topologyVersion());
    else {
        final MiniFuture fut = new MiniFuture(node, mappedKeys, ++miniId);
        req.miniId(fut.futureId());
        // Append new future.
        add(fut);
        IgniteInternalFuture<?> txSync = null;
        if (inTx())
            txSync = cctx.tm().awaitFinishAckAsync(node.id(), tx.threadId());
        if (txSync == null || txSync.isDone()) {
            try {
                cctx.io().send(node, req, cctx.ioPolicy());
                if (msgLog.isDebugEnabled()) {
                    msgLog.debug("Collocated lock fut, sent request [txId=" + lockVer + ", inTx=" + inTx() + ", node=" + node.id() + ']');
                }
            } catch (ClusterTopologyCheckedException ex) {
                assert fut != null;
                fut.onResult(ex);
            }
        } else {
            txSync.listen(new CI1<IgniteInternalFuture<?>>() {

                @Override
                public void apply(IgniteInternalFuture<?> t) {
                    try {
                        cctx.io().send(node, req, cctx.ioPolicy());
                        if (msgLog.isDebugEnabled()) {
                            msgLog.debug("Collocated lock fut, sent request [txId=" + lockVer + ", inTx=" + inTx() + ", node=" + node.id() + ']');
                        }
                    } catch (ClusterTopologyCheckedException ex) {
                        assert fut != null;
                        fut.onResult(ex);
                    } catch (IgniteCheckedException e) {
                        if (msgLog.isDebugEnabled()) {
                            msgLog.debug("Collocated lock fut, failed to send request [txId=" + lockVer + ", inTx=" + inTx() + ", node=" + node.id() + ", err=" + e + ']');
                        }
                        onError(e);
                    }
                }
            });
        }
    }
}