Examples with ClusterNode org.apache.ignite.cluster.ClusterNode used on opensource projects

Example 36 with ClusterNode

use of org.apache.ignite.cluster.ClusterNode in project ignite by apache.

the class IgnitePutTxPrimaryOnlyBenchmark method test.

/**
 * {@inheritDoc}
 */
@Override
public boolean test(Map<Object, Object> ctx) throws Exception {
    IgniteCache<Integer, Object> cache = cacheForOperation();
    int key;
    Affinity<Object> aff = ignite().affinity("tx");
    ClusterNode locNode = ignite().cluster().localNode();
    for (; ; ) {
        key = nextRandom(args.range());
        // Exit only if primary.
        if (aff.isPrimary(locNode, key))
            break;
    }
    // Implicit transaction is used.
    cache.put(key, new SampleValue(key));
    return true;
}

Example 37 with ClusterNode

use of org.apache.ignite.cluster.ClusterNode in project ignite by apache.

the class CacheUtils method update.

/**
 * @param cacheName Cache name.
 * @param fun An operation that accepts a cache entry and processes it.
 * @param ignite Ignite.
 * @param keysGen Keys generator.
 * @param <K> Cache key object type.
 * @param <V> Cache value object type.
 */
public static <K, V> void update(String cacheName, Ignite ignite, IgniteConsumer<Cache.Entry<K, V>> fun, IgniteSupplier<Set<K>> keysGen) {
    bcast(cacheName, ignite, () -> {
        Ignite ig = Ignition.localIgnite();
        IgniteCache<K, V> cache = ig.getOrCreateCache(cacheName);
        Affinity<K> affinity = ig.affinity(cacheName);
        ClusterNode locNode = ig.cluster().localNode();
        Collection<K> ks = affinity.mapKeysToNodes(keysGen.get()).get(locNode);
        if (ks == null)
            return;
        Map<K, V> m = new ConcurrentHashMap<>();
        for (K k : ks) {
            V v = cache.localPeek(k);
            fun.accept(new CacheEntryImpl<>(k, v));
            m.put(k, v);
        }
        cache.putAll(m);
    });
}

Example 38 with ClusterNode

use of org.apache.ignite.cluster.ClusterNode in project ignite by apache.

the class CacheUtils method sparseFold.

/**
 * Sparse version of fold. This method also applicable to sparse zeroes.
 *
 * @param cacheName Cache name.
 * @param folder Folder.
 * @param keyFilter Key filter.
 * @param accumulator Accumulator.
 * @param zeroValSupp Zero value supplier.
 * @param defVal Default value.
 * @param defKey Default key.
 * @param defValCnt Def value count.
 * @param isNilpotent Is nilpotent.
 */
private static <K, V, A> A sparseFold(String cacheName, IgniteBiFunction<Cache.Entry<K, V>, A, A> folder, IgnitePredicate<K> keyFilter, BinaryOperator<A> accumulator, IgniteSupplier<A> zeroValSupp, V defVal, K defKey, long defValCnt, boolean isNilpotent) {
    A defRes = zeroValSupp.get();
    if (!isNilpotent)
        for (int i = 0; i < defValCnt; i++) defRes = folder.apply(new CacheEntryImpl<>(defKey, defVal), defRes);
    Collection<A> totalRes = bcast(cacheName, () -> {
        Ignite ignite = Ignition.localIgnite();
        IgniteCache<K, V> cache = ignite.getOrCreateCache(cacheName);
        int partsCnt = ignite.affinity(cacheName).partitions();
        // Use affinity in filter for ScanQuery. Otherwise we accept consumer in each node which is wrong.
        Affinity affinity = ignite.affinity(cacheName);
        ClusterNode locNode = ignite.cluster().localNode();
        A a = zeroValSupp.get();
        // Iterate over all partitions. Some of them will be stored on that local node.
        for (int part = 0; part < partsCnt; part++) {
            int p = part;
            // Query returns an empty cursor if this partition is not stored on this node.
            for (Cache.Entry<K, V> entry : cache.query(new ScanQuery<K, V>(part, (k, v) -> affinity.mapPartitionToNode(p) == locNode && (keyFilter == null || keyFilter.apply(k))))) a = folder.apply(entry, a);
        }
        return a;
    });
    return totalRes.stream().reduce(defRes, accumulator);
}

Example 39 with ClusterNode

use of org.apache.ignite.cluster.ClusterNode in project ignite by apache.

the class CacheUtils method fold.

/**
 * <b>Currently fold supports only commutative operations.<b/>
 *
 * @param cacheName Cache name.
 * @param folder Fold function operating over cache entries.
 * @param <K> Cache key object type.
 * @param <V> Cache value object type.
 * @param <A> Fold result type.
 * @return Fold operation result.
 */
public static <K, V, A> Collection<A> fold(String cacheName, IgniteBiFunction<CacheEntry<K, V>, A, A> folder, IgnitePredicate<K> keyFilter) {
    return bcast(cacheName, () -> {
        Ignite ignite = Ignition.localIgnite();
        IgniteCache<K, V> cache = ignite.getOrCreateCache(cacheName);
        int partsCnt = ignite.affinity(cacheName).partitions();
        // Use affinity in filter for ScanQuery. Otherwise we accept consumer in each node which is wrong.
        Affinity affinity = ignite.affinity(cacheName);
        ClusterNode locNode = ignite.cluster().localNode();
        A a = null;
        // Iterate over all partitions. Some of them will be stored on that local node.
        for (int part = 0; part < partsCnt; part++) {
            int p = part;
            // Query returns an empty cursor if this partition is not stored on this node.
            for (Cache.Entry<K, V> entry : cache.query(new ScanQuery<K, V>(part, (k, v) -> affinity.mapPartitionToNode(p) == locNode && (keyFilter == null || keyFilter.apply(k))))) a = folder.apply(new CacheEntry<>(entry, cache), a);
        }
        return a;
    });
}

Example 40 with ClusterNode

use of org.apache.ignite.cluster.ClusterNode in project ignite by apache.

the class GridJobStealingCollisionSpiCustomTopologySelfTest method testThiefNodeNotInTopology.

/**
 * @throws Exception If test failed.
 */
public void testThiefNodeNotInTopology() throws Exception {
    List<CollisionJobContext> waitCtxs = new ArrayList<>(2);
    final ClusterNode node = getSpiContext().nodes().iterator().next();
    Collections.addAll(waitCtxs, new GridTestCollisionJobContext(createTaskSession(node), IgniteUuid.randomUuid()), new GridTestCollisionJobContext(createTaskSession(node), IgniteUuid.randomUuid()), new GridTestCollisionJobContext(createTaskSession(node), IgniteUuid.randomUuid()));
    Collection<CollisionJobContext> activeCtxs = new ArrayList<>(1);
    // Add active.
    Collections.addAll(activeCtxs, new GridTestCollisionJobContext(createTaskSession(node), IgniteUuid.randomUuid()));
    // Emulate message to steal 2 jobs.
    getSpiContext().triggerMessage(rmtNode2, new JobStealingRequest(2));
    getSpi().onCollision(new GridCollisionTestContext(activeCtxs, waitCtxs));
    // Check no action.
    checkNoAction((GridTestCollisionJobContext) waitCtxs.get(0));
    checkNoAction((GridTestCollisionJobContext) waitCtxs.get(1));
    checkNoAction((GridTestCollisionJobContext) waitCtxs.get(2));
    // Make sure that no message was sent.
    Serializable msg1 = getSpiContext().removeSentMessage(getSpiContext().localNode());
    assert msg1 == null;
    Serializable mgs2 = getSpiContext().removeSentMessage(rmtNode1);
    assert mgs2 == null;
    Serializable msg3 = getSpiContext().removeSentMessage(rmtNode2);
    assert msg3 == null;
}