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

Example 16 with GridCacheEntryEx

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

the class GridNearGetFuture method localDhtGet.

/**
     * @param key Key.
     * @param part Partition.
     * @param topVer Topology version.
     * @param nearRead {@code True} if already tried to read from near cache.
     * @return {@code True} if there is no need to further search value.
     */
private boolean localDhtGet(KeyCacheObject key, int part, AffinityTopologyVersion topVer, boolean nearRead) {
    GridDhtCacheAdapter<K, V> dht = cache().dht();
    assert dht.context().affinityNode() : this;
    while (true) {
        GridCacheEntryEx dhtEntry = null;
        try {
            dhtEntry = dht.entryEx(key);
            CacheObject v = null;
            // If near cache does not have value, then we peek DHT cache.
            if (dhtEntry != null) {
                boolean isNew = dhtEntry.isNewLocked() || !dhtEntry.valid(topVer);
                if (needVer) {
                    EntryGetResult res = dhtEntry.innerGetVersioned(null, null, /**update-metrics*/
                    false, /*event*/
                    !nearRead && !skipVals, subjId, null, taskName, expiryPlc, !deserializeBinary, null);
                    if (res != null) {
                        v = res.value();
                        ver = res.version();
                    }
                } else {
                    v = dhtEntry.innerGet(null, tx, /*read-through*/
                    false, /*update-metrics*/
                    false, /*events*/
                    !nearRead && !skipVals, subjId, null, taskName, expiryPlc, !deserializeBinary);
                }
                // Entry was not in memory or in swap, so we remove it from cache.
                if (v == null && isNew && dhtEntry.markObsoleteIfEmpty(ver))
                    dht.removeEntry(dhtEntry);
            }
            if (v != null) {
                if (cctx.cache().configuration().isStatisticsEnabled() && !skipVals)
                    cache().metrics0().onRead(true);
                addResult(key, v, ver);
                return true;
            } else {
                boolean topStable = cctx.isReplicated() || topVer.equals(cctx.topology().topologyVersion());
                // Entry not found, do not continue search if topology did not change and there is no store.
                return !cctx.readThroughConfigured() && (topStable || partitionOwned(part));
            }
        } catch (GridCacheEntryRemovedException ignored) {
        // Retry.
        } catch (GridDhtInvalidPartitionException ignored) {
            return false;
        } catch (IgniteCheckedException e) {
            onDone(e);
            return false;
        } finally {
            if (dhtEntry != null)
                // Near cache is enabled, so near entry will be enlisted in the transaction.
                // Always touch DHT entry in this case.
                dht.context().evicts().touch(dhtEntry, topVer);
        }
    }
}

Example 17 with GridCacheEntryEx

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

the class GridNearTxLocal method checkMissed.

/**
     * @param cacheCtx Cache context.
     * @param topVer Topology version.
     * @param map Return map.
     * @param missedMap Missed keys.
     * @param deserializeBinary Deserialize binary flag.
     * @param skipVals Skip values flag.
     * @param keepCacheObjects Keep cache objects flag.
     * @param skipStore Skip store flag.
     * @param expiryPlc Expiry policy.
     * @return Loaded key-value pairs.
     */
private <K, V> IgniteInternalFuture<Map<K, V>> checkMissed(final GridCacheContext cacheCtx, final AffinityTopologyVersion topVer, final Map<K, V> map, final Map<KeyCacheObject, GridCacheVersion> missedMap, final boolean deserializeBinary, final boolean skipVals, final boolean keepCacheObjects, final boolean skipStore, final boolean recovery, final boolean needVer, final ExpiryPolicy expiryPlc) {
    if (log.isDebugEnabled())
        log.debug("Loading missed values for missed map: " + missedMap);
    final boolean needReadVer = (serializable() && optimistic()) || needVer;
    return new GridEmbeddedFuture<>(new C2<Void, Exception, Map<K, V>>() {

        @Override
        public Map<K, V> apply(Void v, Exception e) {
            if (e != null) {
                setRollbackOnly();
                throw new GridClosureException(e);
            }
            return map;
        }
    }, loadMissing(cacheCtx, topVer, !skipStore, false, missedMap.keySet(), skipVals, needReadVer, !deserializeBinary, recovery, expiryPlc, new GridInClosure3<KeyCacheObject, Object, GridCacheVersion>() {

        @Override
        public void apply(KeyCacheObject key, Object val, GridCacheVersion loadVer) {
            if (isRollbackOnly()) {
                if (log.isDebugEnabled())
                    log.debug("Ignoring loaded value for read because transaction was rolled back: " + GridNearTxLocal.this);
                return;
            }
            CacheObject cacheVal = cacheCtx.toCacheObject(val);
            CacheObject visibleVal = cacheVal;
            IgniteTxKey txKey = cacheCtx.txKey(key);
            IgniteTxEntry txEntry = entry(txKey);
            if (txEntry != null) {
                if (!readCommitted())
                    txEntry.readValue(cacheVal);
                if (!F.isEmpty(txEntry.entryProcessors()))
                    visibleVal = txEntry.applyEntryProcessors(visibleVal);
            }
            assert txEntry != null || readCommitted() || skipVals;
            GridCacheEntryEx e = txEntry == null ? entryEx(cacheCtx, txKey, topVer) : txEntry.cached();
            if (readCommitted() || skipVals) {
                cacheCtx.evicts().touch(e, topologyVersion());
                if (visibleVal != null) {
                    cacheCtx.addResult(map, key, visibleVal, skipVals, keepCacheObjects, deserializeBinary, false, needVer ? loadVer : null, 0, 0);
                }
            } else {
                assert txEntry != null;
                txEntry.setAndMarkValid(cacheVal);
                if (needReadVer) {
                    assert loadVer != null;
                    txEntry.entryReadVersion(loadVer);
                }
                if (visibleVal != null) {
                    cacheCtx.addResult(map, key, visibleVal, skipVals, keepCacheObjects, deserializeBinary, false, needVer ? loadVer : null, 0, 0);
                }
            }
        }
    }));
}

Example 18 with GridCacheEntryEx

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

the class GridNearTxLocal method entryEx.

/** {@inheritDoc} */
@Override
protected GridCacheEntryEx entryEx(GridCacheContext cacheCtx, IgniteTxKey key) {
    if (cacheCtx.isColocated()) {
        IgniteTxEntry txEntry = entry(key);
        if (txEntry == null)
            return cacheCtx.colocated().entryExx(key.key(), topologyVersion(), true);
        GridCacheEntryEx cached = txEntry.cached();
        assert cached != null;
        if (cached.detached())
            return cached;
        if (cached.obsoleteVersion() != null) {
            cached = cacheCtx.colocated().entryExx(key.key(), topologyVersion(), true);
            txEntry.cached(cached);
        }
        return cached;
    } else
        return cacheCtx.cache().entryEx(key.key());
}

Example 19 with GridCacheEntryEx

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

the class GridNearTxLocal method enlistRead.

/**
     * @param cacheCtx Cache context.
     * @param keys Key to enlist.
     * @param expiryPlc Explicitly specified expiry policy for entry.
     * @param map Return map.
     * @param missed Map of missed keys.
     * @param keysCnt Keys count (to avoid call to {@code Collection.size()}).
     * @param deserializeBinary Deserialize binary flag.
     * @param skipVals Skip values flag.
     * @param keepCacheObjects Keep cache objects flag.
     * @param skipStore Skip store flag.
     * @throws IgniteCheckedException If failed.
     * @return Enlisted keys.
     */
@SuppressWarnings({ "RedundantTypeArguments" })
private <K, V> Collection<KeyCacheObject> enlistRead(final GridCacheContext cacheCtx, @Nullable AffinityTopologyVersion entryTopVer, Collection<KeyCacheObject> keys, @Nullable ExpiryPolicy expiryPlc, Map<K, V> map, Map<KeyCacheObject, GridCacheVersion> missed, int keysCnt, boolean deserializeBinary, boolean skipVals, boolean keepCacheObjects, boolean skipStore, boolean recovery, final boolean needVer) throws IgniteCheckedException {
    assert !F.isEmpty(keys);
    assert keysCnt == keys.size();
    cacheCtx.checkSecurity(SecurityPermission.CACHE_READ);
    boolean single = keysCnt == 1;
    Collection<KeyCacheObject> lockKeys = null;
    AffinityTopologyVersion topVer = entryTopVer != null ? entryTopVer : topologyVersion();
    boolean needReadVer = (serializable() && optimistic()) || needVer;
    // outside of this loop.
    for (KeyCacheObject key : keys) {
        if ((pessimistic() || needReadVer) && !readCommitted() && !skipVals)
            addActiveCache(cacheCtx, recovery);
        IgniteTxKey txKey = cacheCtx.txKey(key);
        // Check write map (always check writes first).
        IgniteTxEntry txEntry = entry(txKey);
        // Either non-read-committed or there was a previous write.
        if (txEntry != null) {
            CacheObject val = txEntry.value();
            if (txEntry.hasValue()) {
                if (!F.isEmpty(txEntry.entryProcessors()))
                    val = txEntry.applyEntryProcessors(val);
                if (val != null) {
                    GridCacheVersion ver = null;
                    if (needVer) {
                        if (txEntry.op() != READ)
                            ver = IgniteTxEntry.GET_ENTRY_INVALID_VER_UPDATED;
                        else {
                            ver = txEntry.entryReadVersion();
                            if (ver == null && pessimistic()) {
                                while (true) {
                                    try {
                                        GridCacheEntryEx cached = txEntry.cached();
                                        ver = cached.isNear() ? ((GridNearCacheEntry) cached).dhtVersion() : cached.version();
                                        break;
                                    } catch (GridCacheEntryRemovedException ignored) {
                                        txEntry.cached(entryEx(cacheCtx, txEntry.txKey(), topVer));
                                    }
                                }
                            }
                            if (ver == null) {
                                assert optimistic() && repeatableRead() : this;
                                ver = IgniteTxEntry.GET_ENTRY_INVALID_VER_AFTER_GET;
                            }
                        }
                        assert ver != null;
                    }
                    cacheCtx.addResult(map, key, val, skipVals, keepCacheObjects, deserializeBinary, false, ver, 0, 0);
                }
            } else {
                assert txEntry.op() == TRANSFORM;
                while (true) {
                    try {
                        GridCacheVersion readVer = null;
                        EntryGetResult getRes = null;
                        Object transformClo = (txEntry.op() == TRANSFORM && cctx.gridEvents().isRecordable(EVT_CACHE_OBJECT_READ)) ? F.first(txEntry.entryProcessors()) : null;
                        if (needVer) {
                            getRes = txEntry.cached().innerGetVersioned(null, this, /*update-metrics*/
                            true, /*event*/
                            !skipVals, CU.subjectId(this, cctx), transformClo, resolveTaskName(), null, txEntry.keepBinary(), null);
                            if (getRes != null) {
                                val = getRes.value();
                                readVer = getRes.version();
                            }
                        } else {
                            val = txEntry.cached().innerGet(null, this, /*read-through*/
                            false, /*metrics*/
                            true, /*event*/
                            !skipVals, CU.subjectId(this, cctx), transformClo, resolveTaskName(), null, txEntry.keepBinary());
                        }
                        if (val != null) {
                            if (!readCommitted() && !skipVals)
                                txEntry.readValue(val);
                            if (!F.isEmpty(txEntry.entryProcessors()))
                                val = txEntry.applyEntryProcessors(val);
                            cacheCtx.addResult(map, key, val, skipVals, keepCacheObjects, deserializeBinary, false, getRes, readVer, 0, 0, needVer);
                        } else
                            missed.put(key, txEntry.cached().version());
                        break;
                    } catch (GridCacheEntryRemovedException ignored) {
                        txEntry.cached(entryEx(cacheCtx, txEntry.txKey(), topVer));
                    }
                }
            }
        } else // First time access within transaction.
        {
            if (lockKeys == null && !skipVals)
                lockKeys = single ? Collections.singleton(key) : new ArrayList<KeyCacheObject>(keysCnt);
            if (!single && !skipVals)
                lockKeys.add(key);
            while (true) {
                GridCacheEntryEx entry = entryEx(cacheCtx, txKey, topVer);
                try {
                    GridCacheVersion ver = entry.version();
                    CacheObject val = null;
                    GridCacheVersion readVer = null;
                    EntryGetResult getRes = null;
                    if (!pessimistic() || readCommitted() && !skipVals) {
                        IgniteCacheExpiryPolicy accessPlc = optimistic() ? accessPolicy(cacheCtx, txKey, expiryPlc) : null;
                        if (needReadVer) {
                            getRes = primaryLocal(entry) ? entry.innerGetVersioned(null, this, /*metrics*/
                            true, /*event*/
                            true, CU.subjectId(this, cctx), null, resolveTaskName(), accessPlc, !deserializeBinary, null) : null;
                            if (getRes != null) {
                                val = getRes.value();
                                readVer = getRes.version();
                            }
                        } else {
                            val = entry.innerGet(null, this, /*read-through*/
                            false, /*metrics*/
                            true, /*event*/
                            !skipVals, CU.subjectId(this, cctx), null, resolveTaskName(), accessPlc, !deserializeBinary);
                        }
                        if (val != null) {
                            cacheCtx.addResult(map, key, val, skipVals, keepCacheObjects, deserializeBinary, false, getRes, readVer, 0, 0, needVer);
                        } else
                            missed.put(key, ver);
                    } else
                        // We must wait for the lock in pessimistic mode.
                        missed.put(key, ver);
                    if (!readCommitted() && !skipVals) {
                        txEntry = addEntry(READ, val, null, null, entry, expiryPlc, null, true, -1L, -1L, null, skipStore, !deserializeBinary);
                        // for non-pessimistic if value is not null.
                        if (val != null && !pessimistic()) {
                            txEntry.markValid();
                            if (needReadVer) {
                                assert readVer != null;
                                txEntry.entryReadVersion(readVer);
                            }
                        }
                    }
                    // While.
                    break;
                } catch (GridCacheEntryRemovedException ignored) {
                    if (log.isDebugEnabled())
                        log.debug("Got removed entry in transaction getAllAsync(..) (will retry): " + key);
                } finally {
                    if (entry != null && readCommitted()) {
                        if (cacheCtx.isNear()) {
                            if (cacheCtx.affinity().partitionBelongs(cacheCtx.localNode(), entry.partition(), topVer)) {
                                if (entry.markObsolete(xidVer))
                                    cacheCtx.cache().removeEntry(entry);
                            }
                        } else
                            entry.context().evicts().touch(entry, topVer);
                    }
                }
            }
        }
    }
    return lockKeys != null ? lockKeys : Collections.<KeyCacheObject>emptyList();
}

Example 20 with GridCacheEntryEx

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

the class GridNearTxLocal method getAllAsync.

/**
     * @param cacheCtx Cache context.
     * @param keys Keys to get.
     * @param deserializeBinary Deserialize binary flag.
     * @param skipVals Skip values flag.
     * @param keepCacheObjects Keep cache objects
     * @param skipStore Skip store flag.
     * @return Future for this get.
     */
@SuppressWarnings("unchecked")
public <K, V> IgniteInternalFuture<Map<K, V>> getAllAsync(final GridCacheContext cacheCtx, @Nullable final AffinityTopologyVersion entryTopVer, Collection<KeyCacheObject> keys, final boolean deserializeBinary, final boolean skipVals, final boolean keepCacheObjects, final boolean skipStore, final boolean recovery, final boolean needVer) {
    if (F.isEmpty(keys))
        return new GridFinishedFuture<>(Collections.<K, V>emptyMap());
    init();
    int keysCnt = keys.size();
    boolean single = keysCnt == 1;
    try {
        checkValid();
        final Map<K, V> retMap = new GridLeanMap<>(keysCnt);
        final Map<KeyCacheObject, GridCacheVersion> missed = new GridLeanMap<>(pessimistic() ? keysCnt : 0);
        CacheOperationContext opCtx = cacheCtx.operationContextPerCall();
        ExpiryPolicy expiryPlc = opCtx != null ? opCtx.expiry() : null;
        final Collection<KeyCacheObject> lockKeys = enlistRead(cacheCtx, entryTopVer, keys, expiryPlc, retMap, missed, keysCnt, deserializeBinary, skipVals, keepCacheObjects, skipStore, recovery, needVer);
        if (single && missed.isEmpty())
            return new GridFinishedFuture<>(retMap);
        // Handle locks.
        if (pessimistic() && !readCommitted() && !skipVals) {
            if (expiryPlc == null)
                expiryPlc = cacheCtx.expiry();
            long accessTtl = expiryPlc != null ? CU.toTtl(expiryPlc.getExpiryForAccess()) : CU.TTL_NOT_CHANGED;
            long createTtl = expiryPlc != null ? CU.toTtl(expiryPlc.getExpiryForCreation()) : CU.TTL_NOT_CHANGED;
            long timeout = remainingTime();
            if (timeout == -1)
                return new GridFinishedFuture<>(timeoutException());
            IgniteInternalFuture<Boolean> fut = cacheCtx.cache().txLockAsync(lockKeys, timeout, this, true, true, isolation, isInvalidate(), createTtl, accessTtl);
            final ExpiryPolicy expiryPlc0 = expiryPlc;
            PLC2<Map<K, V>> plc2 = new PLC2<Map<K, V>>() {

                @Override
                public IgniteInternalFuture<Map<K, V>> postLock() throws IgniteCheckedException {
                    if (log.isDebugEnabled())
                        log.debug("Acquired transaction lock for read on keys: " + lockKeys);
                    // Load keys only after the locks have been acquired.
                    for (KeyCacheObject cacheKey : lockKeys) {
                        K keyVal = (K) (keepCacheObjects ? cacheKey : cacheCtx.cacheObjectContext().unwrapBinaryIfNeeded(cacheKey, !deserializeBinary, true));
                        if (retMap.containsKey(keyVal))
                            // We already have a return value.
                            continue;
                        IgniteTxKey txKey = cacheCtx.txKey(cacheKey);
                        IgniteTxEntry txEntry = entry(txKey);
                        assert txEntry != null;
                        // Check if there is cached value.
                        while (true) {
                            GridCacheEntryEx cached = txEntry.cached();
                            CacheObject val = null;
                            GridCacheVersion readVer = null;
                            EntryGetResult getRes = null;
                            try {
                                Object transformClo = (!F.isEmpty(txEntry.entryProcessors()) && cctx.gridEvents().isRecordable(EVT_CACHE_OBJECT_READ)) ? F.first(txEntry.entryProcessors()) : null;
                                if (needVer) {
                                    getRes = cached.innerGetVersioned(null, GridNearTxLocal.this, /*update-metrics*/
                                    true, /*event*/
                                    !skipVals, CU.subjectId(GridNearTxLocal.this, cctx), transformClo, resolveTaskName(), null, txEntry.keepBinary(), null);
                                    if (getRes != null) {
                                        val = getRes.value();
                                        readVer = getRes.version();
                                    }
                                } else {
                                    val = cached.innerGet(null, GridNearTxLocal.this, /*read through*/
                                    false, /*metrics*/
                                    true, /*events*/
                                    !skipVals, CU.subjectId(GridNearTxLocal.this, cctx), transformClo, resolveTaskName(), null, txEntry.keepBinary());
                                }
                                // If value is in cache and passed the filter.
                                if (val != null) {
                                    missed.remove(cacheKey);
                                    txEntry.setAndMarkValid(val);
                                    if (!F.isEmpty(txEntry.entryProcessors()))
                                        val = txEntry.applyEntryProcessors(val);
                                    cacheCtx.addResult(retMap, cacheKey, val, skipVals, keepCacheObjects, deserializeBinary, false, getRes, readVer, 0, 0, needVer);
                                    if (readVer != null)
                                        txEntry.entryReadVersion(readVer);
                                }
                                // While.
                                break;
                            } catch (GridCacheEntryRemovedException ignore) {
                                if (log.isDebugEnabled())
                                    log.debug("Got removed exception in get postLock (will retry): " + cached);
                                txEntry.cached(entryEx(cacheCtx, txKey, topologyVersion()));
                            }
                        }
                    }
                    if (!missed.isEmpty() && cacheCtx.isLocal()) {
                        AffinityTopologyVersion topVer = topologyVersionSnapshot();
                        if (topVer == null)
                            topVer = entryTopVer;
                        return checkMissed(cacheCtx, topVer != null ? topVer : topologyVersion(), retMap, missed, deserializeBinary, skipVals, keepCacheObjects, skipStore, recovery, needVer, expiryPlc0);
                    }
                    return new GridFinishedFuture<>(Collections.<K, V>emptyMap());
                }
            };
            FinishClosure<Map<K, V>> finClos = new FinishClosure<Map<K, V>>() {

                @Override
                Map<K, V> finish(Map<K, V> loaded) {
                    retMap.putAll(loaded);
                    return retMap;
                }
            };
            if (fut.isDone()) {
                try {
                    IgniteInternalFuture<Map<K, V>> fut1 = plc2.apply(fut.get(), null);
                    return fut1.isDone() ? new GridFinishedFuture<>(finClos.apply(fut1.get(), null)) : new GridEmbeddedFuture<>(finClos, fut1);
                } catch (GridClosureException e) {
                    return new GridFinishedFuture<>(e.unwrap());
                } catch (IgniteCheckedException e) {
                    try {
                        return plc2.apply(false, e);
                    } catch (Exception e1) {
                        return new GridFinishedFuture<>(e1);
                    }
                }
            } else {
                return new GridEmbeddedFuture<>(fut, plc2, finClos);
            }
        } else {
            assert optimistic() || readCommitted() || skipVals;
            if (!missed.isEmpty()) {
                if (!readCommitted())
                    for (Iterator<KeyCacheObject> it = missed.keySet().iterator(); it.hasNext(); ) {
                        KeyCacheObject cacheKey = it.next();
                        K keyVal = (K) (keepCacheObjects ? cacheKey : cacheCtx.cacheObjectContext().unwrapBinaryIfNeeded(cacheKey, !deserializeBinary, false));
                        if (retMap.containsKey(keyVal))
                            it.remove();
                    }
                if (missed.isEmpty())
                    return new GridFinishedFuture<>(retMap);
                AffinityTopologyVersion topVer = topologyVersionSnapshot();
                if (topVer == null)
                    topVer = entryTopVer;
                return checkMissed(cacheCtx, topVer != null ? topVer : topologyVersion(), retMap, missed, deserializeBinary, skipVals, keepCacheObjects, skipStore, recovery, needVer, expiryPlc);
            }
            return new GridFinishedFuture<>(retMap);
        }
    } catch (IgniteCheckedException e) {
        setRollbackOnly();
        return new GridFinishedFuture<>(e);
    }
}