Examples with EventJournalInitialSubscriberState com.hazelcast.internal.journal.EventJournalInitialSubscriberState used on opensource projects

Example 1 with EventJournalInitialSubscriberState

use of com.hazelcast.internal.journal.EventJournalInitialSubscriberState in project hazelcast by hazelcast.

the class MapEventJournalSubscribeOperation method runInternal.

@Override
protected void runInternal() {
    final MapEventJournal eventJournal = mapServiceContext.getEventJournal();
    final long newestSequence = eventJournal.newestSequence(namespace, getPartitionId());
    final long oldestSequence = eventJournal.oldestSequence(namespace, getPartitionId());
    response = new EventJournalInitialSubscriberState(oldestSequence, newestSequence);
}

Example 2 with EventJournalInitialSubscriberState

use of com.hazelcast.internal.journal.EventJournalInitialSubscriberState in project hazelcast by hazelcast.

the class CacheEventJournalSubscribeOperation method run.

@Override
public void run() {
    final CacheService service = getService();
    final CacheEventJournal eventJournal = service.getEventJournal();
    final long newestSequence = eventJournal.newestSequence(namespace, getPartitionId());
    final long oldestSequence = eventJournal.oldestSequence(namespace, getPartitionId());
    response = new EventJournalInitialSubscriberState(oldestSequence, newestSequence);
}

Example 3 with EventJournalInitialSubscriberState

use of com.hazelcast.internal.journal.EventJournalInitialSubscriberState in project hazelcast by hazelcast.

the class ClientMapProxy method subscribeToEventJournal.

@Override
public InternalCompletableFuture<EventJournalInitialSubscriberState> subscribeToEventJournal(int partitionId) {
    final ClientMessage request = MapEventJournalSubscribeCodec.encodeRequest(name);
    final ClientInvocationFuture fut = new ClientInvocation(getClient(), request, getName(), partitionId).invoke();
    return new ClientDelegatingFuture<>(fut, getSerializationService(), message -> {
        ResponseParameters resp = MapEventJournalSubscribeCodec.decodeResponse(message);
        return new EventJournalInitialSubscriberState(resp.oldestSequence, resp.newestSequence);
    });
}

Example 4 with EventJournalInitialSubscriberState

use of com.hazelcast.internal.journal.EventJournalInitialSubscriberState in project hazelcast by hazelcast.

the class AbstractEventJournalBounceTest method getEventJournalEvents.

private <T> LinkedList<T> getEventJournalEvents(EventJournalReader<T> reader) {
    final LinkedList<T> events = new LinkedList<T>();
    for (int i = 1; i < TEST_PARTITION_COUNT; i++) {
        try {
            final EventJournalInitialSubscriberState state = reader.subscribeToEventJournal(i).toCompletableFuture().get();
            final ReadResultSet<T> partitionEvents = reader.readFromEventJournal(state.getOldestSequence(), 1, (int) (state.getNewestSequence() - state.getOldestSequence() + 1), i, new TruePredicate<T>(), new IdentityFunction<T>()).toCompletableFuture().get();
            for (T event : partitionEvents) {
                events.add(event);
            }
        } catch (Exception e) {
            throw rethrow(e);
        }
    }
    return events;
}

Example 5 with EventJournalInitialSubscriberState

use of com.hazelcast.internal.journal.EventJournalInitialSubscriberState in project hazelcast by hazelcast.

the class AbstractEventJournalBasicTest method skipEventsWhenFallenBehind.

@Test
public void skipEventsWhenFallenBehind() throws Exception {
    final EventJournalTestContext<String, Integer, EJ_TYPE> context = createContext();
    final int count = 1000;
    assertEventJournalSize(context.dataAdapter, 0);
    for (int i = 0; i < count; i++) {
        context.dataAdapter.put(randomPartitionKey(), i);
    }
    final EventJournalInitialSubscriberState state = subscribeToEventJournal(context.dataAdapter, partitionId);
    assertEquals(500, state.getOldestSequence());
    assertEquals(999, state.getNewestSequence());
    assertEventJournalSize(context.dataAdapter, 500);
    final int startSequence = 0;
    final ReadResultSet<EJ_TYPE> resultSet = readFromEventJournal(context.dataAdapter, startSequence, 1, partitionId, TRUE_PREDICATE, IDENTITY_FUNCTION).toCompletableFuture().get();
    assertEquals(1, resultSet.size());
    assertEquals(1, resultSet.readCount());
    assertNotEquals(startSequence + resultSet.readCount(), resultSet.getNextSequenceToReadFrom());
    assertEquals(501, resultSet.getNextSequenceToReadFrom());
    final long lostCount = resultSet.getNextSequenceToReadFrom() - resultSet.readCount() - startSequence;
    assertEquals(500, lostCount);
}