Examples with EventType javax.cache.event.EventType used on opensource projects

Example 1 with EventType

use of javax.cache.event.EventType in project hazelcast by hazelcast.

the class CacheEventListenerAdaptor method createCacheEntryEvent.

private Iterable<CacheEntryEvent<? extends K, ? extends V>> createCacheEntryEvent(Collection<CacheEventData> keys) {
    HashSet<CacheEntryEvent<? extends K, ? extends V>> evt = new HashSet<CacheEntryEvent<? extends K, ? extends V>>();
    for (CacheEventData cacheEventData : keys) {
        EventType eventType = CacheEventType.convertToEventType(cacheEventData.getCacheEventType());
        K key = toObject(cacheEventData.getDataKey());
        boolean hasNewValue = !(eventType == EventType.REMOVED || eventType == EventType.EXPIRED);
        final V newValue;
        final V oldValue;
        if (isOldValueRequired) {
            if (hasNewValue) {
                newValue = toObject(cacheEventData.getDataValue());
                oldValue = toObject(cacheEventData.getDataOldValue());
            } else {
                // according to contract of CacheEntryEvent#getValue
                oldValue = toObject(cacheEventData.getDataValue());
                newValue = oldValue;
            }
        } else {
            if (hasNewValue) {
                newValue = toObject(cacheEventData.getDataValue());
                oldValue = null;
            } else {
                newValue = null;
                oldValue = null;
            }
        }
        final CacheEntryEventImpl<K, V> event = new CacheEntryEventImpl<K, V>(source, eventType, key, newValue, oldValue);
        if (filter == null || filter.evaluate(event)) {
            evt.add(event);
        }
    }
    return evt;
}

Example 2 with EventType

use of javax.cache.event.EventType in project ignite by apache.

the class CacheContinuousQueryManager method onEntryUpdated.

/**
 * @param lsnrCol Listeners to notify.
 * @param key Key.
 * @param newVal New value.
 * @param oldVal Old value.
 * @param internal Internal entry (internal key or not user cache),
 * @param partId Partition.
 * @param primary {@code True} if called on primary node.
 * @param preload Whether update happened during preloading.
 * @param updateCntr Update counter.
 * @param topVer Topology version.
 * @param fut Dht atomic future.
 * @throws IgniteCheckedException In case of error.
 */
public void onEntryUpdated(Map<UUID, CacheContinuousQueryListener> lsnrCol, KeyCacheObject key, CacheObject newVal, CacheObject oldVal, boolean internal, int partId, boolean primary, boolean preload, long updateCntr, @Nullable GridDhtAtomicAbstractUpdateFuture fut, AffinityTopologyVersion topVer) throws IgniteCheckedException {
    assert key != null;
    assert lsnrCol != null;
    boolean hasNewVal = newVal != null;
    boolean hasOldVal = oldVal != null;
    if (!hasNewVal && !hasOldVal) {
        skipUpdateEvent(lsnrCol, key, partId, updateCntr, primary, topVer);
        return;
    }
    EventType evtType = !hasNewVal ? REMOVED : !hasOldVal ? CREATED : UPDATED;
    boolean initialized = false;
    boolean recordIgniteEvt = primary && !internal && cctx.events().isRecordable(EVT_CACHE_QUERY_OBJECT_READ);
    for (CacheContinuousQueryListener lsnr : lsnrCol.values()) {
        if (preload && !lsnr.notifyExisting() || lsnr.isPrimaryOnly() && !primary)
            continue;
        if (!initialized) {
            if (lsnr.oldValueRequired()) {
                oldVal = (CacheObject) cctx.unwrapTemporary(oldVal);
                if (oldVal != null)
                    oldVal.finishUnmarshal(cctx.cacheObjectContext(), cctx.deploy().globalLoader());
            }
            if (newVal != null)
                newVal.finishUnmarshal(cctx.cacheObjectContext(), cctx.deploy().globalLoader());
            initialized = true;
        }
        CacheContinuousQueryEntry e0 = new CacheContinuousQueryEntry(cctx.cacheId(), evtType, key, (!internal && evtType == REMOVED && lsnr.oldValueRequired()) ? oldVal : newVal, lsnr.oldValueRequired() ? oldVal : null, lsnr.keepBinary(), partId, updateCntr, topVer, (byte) 0);
        IgniteCacheProxy jcache = cctx.kernalContext().cache().jcacheProxy(cctx.name(), true);
        assert jcache != null : "Failed to get cache proxy [name=" + cctx.name() + ", locStart=" + cctx.startTopologyVersion() + ", locNode=" + cctx.localNode() + ", stopping=" + cctx.kernalContext().isStopping();
        CacheContinuousQueryEvent evt = new CacheContinuousQueryEvent<>(jcache, cctx, e0);
        lsnr.onEntryUpdated(evt, primary, recordIgniteEvt, fut);
    }
}

Example 3 with EventType

use of javax.cache.event.EventType in project ignite by apache.

the class CacheEntryListenersTest method testListenersWithRemoteFilter.

/**
 * Test continuous queries and JCache entry listeners with remote filters.
 */
@Test
@SuppressWarnings("deprecation")
public void testListenersWithRemoteFilter() throws Exception {
    try (IgniteClient client = startClient(0, 1, 2)) {
        ClientCache<Integer, Integer> cache = client.getOrCreateCache("testListenersWithRmtFilter");
        CacheEntryEventSerializableFilter<Integer, Integer> rmtFilter = evt -> (evt.getKey() & 1) == 0;
        ContinuousQueryListener<Integer, Integer> lsnr1 = new ContinuousQueryListener<>();
        ContinuousQueryListener<Integer, Integer> lsnr2 = new ContinuousQueryListener<>();
        cache.query(new ContinuousQuery<Integer, Integer>().setLocalListener(lsnr1).setRemoteFilterFactory(() -> rmtFilter));
        cache.query(new ContinuousQuery<Integer, Integer>().setLocalListener(lsnr2).setRemoteFilter(rmtFilter));
        JCacheEntryListener<Integer, Integer> lsnr3 = new JCacheEntryListener<>();
        cache.registerCacheEntryListener(new MutableCacheEntryListenerConfiguration<>(() -> lsnr3, () -> rmtFilter, true, false));
        for (int i = 0; i < 10; i++) cache.put(i, i);
        Map<EventType, Map<Integer, Integer>> expRes = F.asMap(EventType.CREATED, IntStream.range(0, 5).boxed().collect(Collectors.toMap(i -> i * 2, i -> i * 2)));
        assertEquals(expRes, aggregateListenerEvents(lsnr1, 5));
        assertEquals(expRes, aggregateListenerEvents(lsnr2, 5));
        assertEquals(expRes, aggregateListenerEvents(lsnr3, 5));
        for (int i = 0; i < 10; i++) cache.put(i, -i);
        expRes = F.asMap(EventType.UPDATED, IntStream.range(0, 5).boxed().collect(Collectors.toMap(i -> i * 2, i -> -i * 2)));
        assertEquals(expRes, aggregateListenerEvents(lsnr1, 5));
        assertEquals(expRes, aggregateListenerEvents(lsnr2, 5));
        assertEquals(expRes, aggregateListenerEvents(lsnr3, 5));
        for (int i = 0; i < 10; i++) cache.remove(i);
        expRes = F.asMap(EventType.REMOVED, IntStream.range(0, 5).boxed().collect(Collectors.toMap(i -> i * 2, i -> -i * 2)));
        assertEquals(expRes, aggregateListenerEvents(lsnr1, 5));
        assertEquals(expRes, aggregateListenerEvents(lsnr2, 5));
        assertEquals(expRes, aggregateListenerEvents(lsnr3, 5));
        assertTrue(lsnr1.isQueueEmpty());
        assertTrue(lsnr2.isQueueEmpty());
        assertTrue(lsnr3.isQueueEmpty());
    }
}

Example 4 with EventType

use of javax.cache.event.EventType in project ignite by apache.

the class ClientCacheEntryListenerHandler method acceptNotification.

/**
 * {@inheritDoc}
 */
@Override
public void acceptNotification(ByteBuffer payload, Exception err) {
    if (err == null && payload != null) {
        BinaryInputStream in = BinaryByteBufferInputStream.create(payload);
        int cnt = in.readInt();
        List<CacheEntryEvent<? extends K, ? extends V>> evts = new ArrayList<>(cnt);
        for (int i = 0; i < cnt; i++) {
            K key = utils.readObject(in, keepBinary);
            V oldVal = utils.readObject(in, keepBinary);
            V val = utils.readObject(in, keepBinary);
            byte evtTypeByte = in.readByte();
            EventType evtType = eventType(evtTypeByte);
            if (evtType == null)
                onChannelClosed(new ClientException("Unknown event type: " + evtTypeByte));
            evts.add(new CacheEntryEventImpl<>(jCacheAdapter, evtType, key, oldVal, val));
        }
        locLsnr.onUpdated(evts);
    }
}