Examples with GridCacheEntryEx org.apache.ignite.internal.processors.cache.GridCacheEntryEx used on opensource projects

Example 1 with GridCacheEntryEx

use of org.apache.ignite.internal.processors.cache.GridCacheEntryEx in project ignite by apache.

the class GridDhtTransactionalCacheAdapter method lockAllAsync.

/**
     * @param cacheCtx Cache context.
     * @param nearNode Near node.
     * @param req Request.
     * @param filter0 Filter.
     * @return Future.
     */
public IgniteInternalFuture<GridNearLockResponse> lockAllAsync(final GridCacheContext<?, ?> cacheCtx, final ClusterNode nearNode, final GridNearLockRequest req, @Nullable final CacheEntryPredicate[] filter0) {
    final List<KeyCacheObject> keys = req.keys();
    CacheEntryPredicate[] filter = filter0;
    // Set message into thread context.
    GridDhtTxLocal tx = null;
    try {
        int cnt = keys.size();
        if (req.inTx()) {
            GridCacheVersion dhtVer = ctx.tm().mappedVersion(req.version());
            if (dhtVer != null)
                tx = ctx.tm().tx(dhtVer);
        }
        final List<GridCacheEntryEx> entries = new ArrayList<>(cnt);
        // Unmarshal filter first.
        if (filter == null)
            filter = req.filter();
        GridDhtLockFuture fut = null;
        if (!req.inTx()) {
            GridDhtPartitionTopology top = null;
            if (req.firstClientRequest()) {
                assert CU.clientNode(nearNode);
                top = topology();
                topology().readLock();
            }
            try {
                if (top != null && needRemap(req.topologyVersion(), top.topologyVersion())) {
                    if (log.isDebugEnabled()) {
                        log.debug("Client topology version mismatch, need remap lock request [" + "reqTopVer=" + req.topologyVersion() + ", locTopVer=" + top.topologyVersion() + ", req=" + req + ']');
                    }
                    GridNearLockResponse res = sendClientLockRemapResponse(nearNode, req, top.topologyVersion());
                    return new GridFinishedFuture<>(res);
                }
                fut = new GridDhtLockFuture(ctx, nearNode.id(), req.version(), req.topologyVersion(), cnt, req.txRead(), req.needReturnValue(), req.timeout(), tx, req.threadId(), req.createTtl(), req.accessTtl(), filter, req.skipStore(), req.keepBinary());
                // Add before mapping.
                if (!ctx.mvcc().addFuture(fut))
                    throw new IllegalStateException("Duplicate future ID: " + fut);
            } finally {
                if (top != null)
                    top.readUnlock();
            }
        }
        boolean timedout = false;
        for (KeyCacheObject key : keys) {
            if (timedout)
                break;
            while (true) {
                // Specify topology version to make sure containment is checked
                // based on the requested version, not the latest.
                GridDhtCacheEntry entry = entryExx(key, req.topologyVersion());
                try {
                    if (fut != null) {
                        // This method will add local candidate.
                        // Entry cannot become obsolete after this method succeeded.
                        fut.addEntry(key == null ? null : entry);
                        if (fut.isDone()) {
                            timedout = true;
                            break;
                        }
                    }
                    entries.add(entry);
                    break;
                } catch (GridCacheEntryRemovedException ignore) {
                    if (log.isDebugEnabled())
                        log.debug("Got removed entry when adding lock (will retry): " + entry);
                } catch (GridDistributedLockCancelledException e) {
                    if (log.isDebugEnabled())
                        log.debug("Got lock request for cancelled lock (will ignore): " + entry);
                    fut.onError(e);
                    return new GridDhtFinishedFuture<>(e);
                }
            }
        }
        // Handle implicit locks for pessimistic transactions.
        if (req.inTx()) {
            if (tx == null) {
                GridDhtPartitionTopology top = null;
                if (req.firstClientRequest()) {
                    assert CU.clientNode(nearNode);
                    top = topology();
                    topology().readLock();
                }
                try {
                    if (top != null && needRemap(req.topologyVersion(), top.topologyVersion())) {
                        if (log.isDebugEnabled()) {
                            log.debug("Client topology version mismatch, need remap lock request [" + "reqTopVer=" + req.topologyVersion() + ", locTopVer=" + top.topologyVersion() + ", req=" + req + ']');
                        }
                        GridNearLockResponse res = sendClientLockRemapResponse(nearNode, req, top.topologyVersion());
                        return new GridFinishedFuture<>(res);
                    }
                    tx = new GridDhtTxLocal(ctx.shared(), req.topologyVersion(), nearNode.id(), req.version(), req.futureId(), req.miniId(), req.threadId(), /*implicitTx*/
                    false, /*implicitSingleTx*/
                    false, ctx.systemTx(), false, ctx.ioPolicy(), PESSIMISTIC, req.isolation(), req.timeout(), req.isInvalidate(), !req.skipStore(), false, req.txSize(), null, req.subjectId(), req.taskNameHash());
                    if (req.syncCommit())
                        tx.syncMode(FULL_SYNC);
                    tx = ctx.tm().onCreated(null, tx);
                    if (tx == null || !tx.init()) {
                        String msg = "Failed to acquire lock (transaction has been completed): " + req.version();
                        U.warn(log, msg);
                        if (tx != null)
                            tx.rollbackDhtLocal();
                        return new GridDhtFinishedFuture<>(new IgniteCheckedException(msg));
                    }
                    tx.topologyVersion(req.topologyVersion());
                } finally {
                    if (top != null)
                        top.readUnlock();
                }
            }
            ctx.tm().txContext(tx);
            if (log.isDebugEnabled())
                log.debug("Performing DHT lock [tx=" + tx + ", entries=" + entries + ']');
            IgniteInternalFuture<GridCacheReturn> txFut = tx.lockAllAsync(cacheCtx, entries, req.messageId(), req.txRead(), req.needReturnValue(), req.createTtl(), req.accessTtl(), req.skipStore(), req.keepBinary());
            final GridDhtTxLocal t = tx;
            return new GridDhtEmbeddedFuture(txFut, new C2<GridCacheReturn, Exception, IgniteInternalFuture<GridNearLockResponse>>() {

                @Override
                public IgniteInternalFuture<GridNearLockResponse> apply(GridCacheReturn o, Exception e) {
                    if (e != null)
                        e = U.unwrap(e);
                    assert !t.empty();
                    // Create response while holding locks.
                    final GridNearLockResponse resp = createLockReply(nearNode, entries, req, t, t.xidVersion(), e);
                    assert !t.implicit() : t;
                    assert !t.onePhaseCommit() : t;
                    sendLockReply(nearNode, t, req, resp);
                    return new GridFinishedFuture<>(resp);
                }
            });
        } else {
            assert fut != null;
            // This will send remote messages.
            fut.map();
            final GridCacheVersion mappedVer = fut.version();
            return new GridDhtEmbeddedFuture<>(new C2<Boolean, Exception, GridNearLockResponse>() {

                @Override
                public GridNearLockResponse apply(Boolean b, Exception e) {
                    if (e != null)
                        e = U.unwrap(e);
                    else if (!b)
                        e = new GridCacheLockTimeoutException(req.version());
                    GridNearLockResponse res = createLockReply(nearNode, entries, req, null, mappedVer, e);
                    sendLockReply(nearNode, null, req, res);
                    return res;
                }
            }, fut);
        }
    } catch (IgniteCheckedException | RuntimeException e) {
        String err = "Failed to unmarshal at least one of the keys for lock request message: " + req;
        U.error(log, err, e);
        if (tx != null) {
            try {
                tx.rollbackDhtLocal();
            } catch (IgniteCheckedException ex) {
                U.error(log, "Failed to rollback the transaction: " + tx, ex);
            }
        }
        return new GridDhtFinishedFuture<>(new IgniteCheckedException(err, e));
    }
}

Example 2 with GridCacheEntryEx

use of org.apache.ignite.internal.processors.cache.GridCacheEntryEx in project ignite by apache.

the class GridDhtTransactionalCacheAdapter method createLockReply.

/**
     * @param nearNode Near node.
     * @param entries Entries.
     * @param req Lock request.
     * @param tx Transaction.
     * @param mappedVer Mapped version.
     * @param err Error.
     * @return Response.
     */
private GridNearLockResponse createLockReply(ClusterNode nearNode, List<GridCacheEntryEx> entries, GridNearLockRequest req, @Nullable GridDhtTxLocalAdapter tx, GridCacheVersion mappedVer, Throwable err) {
    assert mappedVer != null;
    assert tx == null || tx.xidVersion().equals(mappedVer);
    try {
        // Send reply back to originating near node.
        GridNearLockResponse res = new GridNearLockResponse(ctx.cacheId(), req.version(), req.futureId(), req.miniId(), tx != null && tx.onePhaseCommit(), entries.size(), err, null, ctx.deploymentEnabled());
        if (err == null) {
            res.pending(localDhtPendingVersions(entries, mappedVer));
            // We have to add completed versions for cases when nearLocal and remote transactions
            // execute concurrently.
            IgnitePair<Collection<GridCacheVersion>> versPair = ctx.tm().versions(req.version());
            res.completedVersions(versPair.get1(), versPair.get2());
            int i = 0;
            for (ListIterator<GridCacheEntryEx> it = entries.listIterator(); it.hasNext(); ) {
                GridCacheEntryEx e = it.next();
                assert e != null;
                while (true) {
                    try {
                        // Don't return anything for invalid partitions.
                        if (tx == null || !tx.isRollbackOnly()) {
                            GridCacheVersion dhtVer = req.dhtVersion(i);
                            GridCacheVersion ver = e.version();
                            boolean ret = req.returnValue(i) || dhtVer == null || !dhtVer.equals(ver);
                            CacheObject val = null;
                            if (ret)
                                val = e.innerGet(null, tx, /*read-through*/
                                false, /*update-metrics*/
                                true, /*event notification*/
                                req.returnValue(i), CU.subjectId(tx, ctx.shared()), null, tx != null ? tx.resolveTaskName() : null, null, req.keepBinary());
                            assert e.lockedBy(mappedVer) || (ctx.mvcc().isRemoved(e.context(), mappedVer) && req.timeout() > 0) : "Entry does not own lock for tx [locNodeId=" + ctx.localNodeId() + ", entry=" + e + ", mappedVer=" + mappedVer + ", ver=" + ver + ", tx=" + tx + ", req=" + req + ", err=" + err + ']';
                            boolean filterPassed = false;
                            if (tx != null && tx.onePhaseCommit()) {
                                IgniteTxEntry writeEntry = tx.entry(ctx.txKey(e.key()));
                                assert writeEntry != null : "Missing tx entry for locked cache entry: " + e;
                                filterPassed = writeEntry.filtersPassed();
                            }
                            if (ret && val == null)
                                val = e.valueBytes(null);
                            // We include values into response since they are required for local
                            // calls and won't be serialized. We are also including DHT version.
                            res.addValueBytes(ret ? val : null, filterPassed, ver, mappedVer);
                        } else {
                            // We include values into response since they are required for local
                            // calls and won't be serialized. We are also including DHT version.
                            res.addValueBytes(null, false, e.version(), mappedVer);
                        }
                        break;
                    } catch (GridCacheEntryRemovedException ignore) {
                        if (log.isDebugEnabled())
                            log.debug("Got removed entry when sending reply to DHT lock request " + "(will retry): " + e);
                        e = entryExx(e.key());
                        it.set(e);
                    }
                }
                i++;
            }
        }
        return res;
    } catch (IgniteCheckedException e) {
        U.error(log, "Failed to get value for lock reply message for node [node=" + U.toShortString(nearNode) + ", req=" + req + ']', e);
        return new GridNearLockResponse(ctx.cacheId(), req.version(), req.futureId(), req.miniId(), false, entries.size(), e, null, ctx.deploymentEnabled());
    }
}

Example 3 with GridCacheEntryEx

use of org.apache.ignite.internal.processors.cache.GridCacheEntryEx in project ignite by apache.

the class GridDhtCacheAdapter method loadEntry.

/**
     * @param key Key.
     * @param val Value.
     * @param ver Cache version.
     * @param p Optional predicate.
     * @param topVer Topology version.
     * @param replicate Replication flag.
     * @param plc Expiry policy.
     */
private void loadEntry(KeyCacheObject key, Object val, GridCacheVersion ver, @Nullable IgniteBiPredicate<K, V> p, AffinityTopologyVersion topVer, boolean replicate, @Nullable ExpiryPolicy plc) {
    if (p != null && !p.apply(key.<K>value(ctx.cacheObjectContext(), false), (V) val))
        return;
    try {
        GridDhtLocalPartition part = top.localPartition(ctx.affinity().partition(key), AffinityTopologyVersion.NONE, true);
        // Reserve to make sure that partition does not get unloaded.
        if (part.reserve()) {
            GridCacheEntryEx entry = null;
            try {
                long ttl = CU.ttlForLoad(plc);
                if (ttl == CU.TTL_ZERO)
                    return;
                CacheObject cacheVal = ctx.toCacheObject(val);
                entry = entryEx(key);
                entry.initialValue(cacheVal, ver, ttl, CU.EXPIRE_TIME_CALCULATE, false, topVer, replicate ? DR_LOAD : DR_NONE, false);
            } catch (IgniteCheckedException e) {
                throw new IgniteException("Failed to put cache value: " + entry, e);
            } catch (GridCacheEntryRemovedException ignore) {
                if (log.isDebugEnabled())
                    log.debug("Got removed entry during loadCache (will ignore): " + entry);
            } finally {
                if (entry != null)
                    entry.context().evicts().touch(entry, topVer);
                part.release();
            }
        } else if (log.isDebugEnabled())
            log.debug("Will node load entry into cache (partition is invalid): " + part);
    } catch (GridDhtInvalidPartitionException e) {
        if (log.isDebugEnabled())
            log.debug(S.toString("Ignoring entry for partition that does not belong", "key", key, true, "val", val, true, "err", e, false));
    }
}

Example 4 with GridCacheEntryEx

use of org.apache.ignite.internal.processors.cache.GridCacheEntryEx in project ignite by apache.

the class GridDhtCacheAdapter method updateTtl.

/**
     * @param cache Cache.
     * @param keys Entries keys.
     * @param vers Entries versions.
     * @param ttl TTL.
     */
private void updateTtl(GridCacheAdapter<K, V> cache, List<KeyCacheObject> keys, List<GridCacheVersion> vers, long ttl) {
    assert !F.isEmpty(keys);
    assert keys.size() == vers.size();
    int size = keys.size();
    for (int i = 0; i < size; i++) {
        try {
            GridCacheEntryEx entry = null;
            try {
                while (true) {
                    try {
                        entry = cache.entryEx(keys.get(i));
                        entry.unswap(false);
                        entry.updateTtl(vers.get(i), ttl);
                        break;
                    } catch (GridCacheEntryRemovedException ignore) {
                        if (log.isDebugEnabled())
                            log.debug("Got removed entry: " + entry);
                    } catch (GridDhtInvalidPartitionException e) {
                        if (log.isDebugEnabled())
                            log.debug("Got GridDhtInvalidPartitionException: " + e);
                        break;
                    }
                }
            } finally {
                if (entry != null)
                    cache.context().evicts().touch(entry, AffinityTopologyVersion.NONE);
            }
        } catch (IgniteCheckedException e) {
            log.error("Failed to unswap entry.", e);
        }
    }
}

Example 5 with GridCacheEntryEx

use of org.apache.ignite.internal.processors.cache.GridCacheEntryEx in project ignite by apache.

the class GridDhtTxLocalAdapter method mapExplicitLocks.

/**
     * Map explicit locks.
     */
protected void mapExplicitLocks() {
    if (!mapped) {
        // Explicit locks may participate in implicit transactions only.
        if (!implicit()) {
            mapped = true;
            return;
        }
        Map<ClusterNode, List<GridDhtCacheEntry>> dhtEntryMap = null;
        Map<ClusterNode, List<GridDhtCacheEntry>> nearEntryMap = null;
        for (IgniteTxEntry e : allEntries()) {
            assert e.cached() != null;
            GridCacheContext cacheCtx = e.cached().context();
            if (cacheCtx.isNear())
                continue;
            if (e.cached().obsolete()) {
                GridCacheEntryEx cached = cacheCtx.cache().entryEx(e.key(), topologyVersion());
                e.cached(cached);
            }
            if (e.cached().detached() || e.cached().isLocal())
                continue;
            while (true) {
                try {
                    // Map explicit locks.
                    if (e.explicitVersion() != null && !e.explicitVersion().equals(xidVer)) {
                        if (dhtEntryMap == null)
                            dhtEntryMap = new GridLeanMap<>();
                        if (nearEntryMap == null)
                            nearEntryMap = new GridLeanMap<>();
                        cacheCtx.dhtMap((GridDhtCacheEntry) e.cached(), e.explicitVersion(), log, dhtEntryMap, nearEntryMap);
                    }
                    break;
                } catch (GridCacheEntryRemovedException ignore) {
                    GridCacheEntryEx cached = cacheCtx.cache().entryEx(e.key(), topologyVersion());
                    e.cached(cached);
                }
            }
        }
        if (!F.isEmpty(dhtEntryMap))
            addDhtNodeEntryMapping(dhtEntryMap);
        if (!F.isEmpty(nearEntryMap))
            addNearNodeEntryMapping(nearEntryMap);
        mapped = true;
    }
}