Examples with ReadResultSet com.hazelcast.ringbuffer.ReadResultSet used on opensource projects

Example 1 with ReadResultSet

use of com.hazelcast.ringbuffer.ReadResultSet in project hazelcast by hazelcast.

the class RingbufferTest method readManyAsync_noFilter.

@Test
public void readManyAsync_noFilter() throws Exception {
    serverRingbuffer.add("1");
    serverRingbuffer.add("2");
    serverRingbuffer.add("3");
    Future<ReadResultSet<String>> f = clientRingbuffer.readManyAsync(0, 3, 3, null).toCompletableFuture();
    ReadResultSet rs = f.get();
    assertInstanceOf(ReadResultSetImpl.class, rs);
    assertEquals(3, rs.readCount());
    assertEquals("1", rs.get(0));
    assertEquals("2", rs.get(1));
    assertEquals("3", rs.get(2));
}

Example 2 with ReadResultSet

use of com.hazelcast.ringbuffer.ReadResultSet in project hazelcast by hazelcast.

the class RingbufferTest method readManyAsync_withFilter.

@Test
public void readManyAsync_withFilter() throws Exception {
    serverRingbuffer.add("good1");
    serverRingbuffer.add("bad1");
    serverRingbuffer.add("good2");
    serverRingbuffer.add("bad2");
    serverRingbuffer.add("good3");
    serverRingbuffer.add("bad3");
    Future<ReadResultSet<String>> f = clientRingbuffer.readManyAsync(0, 3, 3, new StartsWithStringFilter("good")).toCompletableFuture();
    ReadResultSet rs = f.get();
    assertInstanceOf(ReadResultSetImpl.class, rs);
    assertEquals(5, rs.readCount());
    assertEquals("good1", rs.get(0));
    assertEquals("good2", rs.get(1));
    assertEquals("good3", rs.get(2));
}

Example 3 with ReadResultSet

use of com.hazelcast.ringbuffer.ReadResultSet in project hazelcast by hazelcast.

the class RingbufferTest method readManyAsync_withFilter_andMaxCount.

// checks if the max count works in combination with a filter.
// So if more results are available than needed, the surplus results should not be read.
@Test
public void readManyAsync_withFilter_andMaxCount() throws Exception {
    serverRingbuffer.add("good1");
    serverRingbuffer.add("bad1");
    serverRingbuffer.add("good2");
    serverRingbuffer.add("bad2");
    serverRingbuffer.add("good3");
    serverRingbuffer.add("bad3");
    serverRingbuffer.add("good4");
    serverRingbuffer.add("bad4");
    Future<ReadResultSet<String>> f = clientRingbuffer.readManyAsync(0, 3, 3, new StartsWithStringFilter("good")).toCompletableFuture();
    ReadResultSet rs = f.get();
    assertInstanceOf(ReadResultSetImpl.class, rs);
    assertEquals(5, rs.readCount());
    assertEquals("good1", rs.get(0));
    assertEquals("good2", rs.get(1));
    assertEquals("good3", rs.get(2));
}

Example 4 with ReadResultSet

use of com.hazelcast.ringbuffer.ReadResultSet in project hazelcast by hazelcast.

the class RingbufferAbstractTest method readManyAsync_whenHitsStale_useHeadAsStartSequence.

@Test
public void readManyAsync_whenHitsStale_useHeadAsStartSequence() throws Exception {
    ringbuffer.addAllAsync(asList("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10"), OVERWRITE);
    Future<ReadResultSet<String>> f = ringbuffer.readManyAsync(1, 1, 10, null).toCompletableFuture();
    ReadResultSet rs = f.get();
    assertEquals(10, rs.readCount());
    assertEquals("1", rs.get(0));
    assertEquals("10", rs.get(9));
}

Example 5 with ReadResultSet

use of com.hazelcast.ringbuffer.ReadResultSet in project hazelcast by hazelcast.

the class AbstractEventJournalBasicTest method allowReadingWithFutureSeq.

@Test
public void allowReadingWithFutureSeq() throws Exception {
    final EventJournalTestContext<String, Integer, EJ_TYPE> context = createContext();
    final EventJournalInitialSubscriberState state = subscribeToEventJournal(context.dataAdapter, partitionId);
    assertEquals(0, state.getOldestSequence());
    assertEquals(-1, state.getNewestSequence());
    assertEventJournalSize(context.dataAdapter, 0);
    final Integer value = RANDOM.nextInt();
    final CountDownLatch latch = new CountDownLatch(1);
    final int startSequence = 1;
    final BiConsumer<ReadResultSet<EJ_TYPE>, Throwable> callback = (response, t) -> {
        if (t == null) {
            latch.countDown();
            assertEquals(1, response.size());
            final EventJournalEventAdapter<String, Integer, EJ_TYPE> journalAdapter = context.eventJournalAdapter;
            final EJ_TYPE e = response.get(0);
            assertEquals(ADDED, journalAdapter.getType(e));
            assertEquals(value, journalAdapter.getNewValue(e));
        } else {
            rethrow(t);
        }
    };
    CompletionStage<ReadResultSet<EJ_TYPE>> callbackStage = readFromEventJournal(context.dataAdapter, startSequence, 1, partitionId, TRUE_PREDICATE, IDENTITY_FUNCTION).whenCompleteAsync(callback);
    assertTrueEventually(() -> {
        context.dataAdapter.put(randomPartitionKey(), value);
        assertTrue(latch.await(200, TimeUnit.MILLISECONDS));
    }, 30);
    // ensure no exception thrown from callback
    callbackStage.toCompletableFuture().join();
}