Examples with SUFFIX net.openhft.chronicle.queue.impl.single.SingleChronicleQueue.SUFFIX used on opensource projects

Example 1 with SUFFIX

use of net.openhft.chronicle.queue.impl.single.SingleChronicleQueue.SUFFIX in project Chronicle-Queue by OpenHFT.

the class SingleChronicleQueueTest method mappedSegmentsShouldBeUnmappedAsCycleRolls.

@Test
public void mappedSegmentsShouldBeUnmappedAsCycleRolls() throws Exception {
    final Random random = new Random(0xDEADBEEF);
    final File queueFolder = DirectoryUtils.tempDir("mappedSegmentsShouldBeUnmappedAsCycleRolls");
    final AtomicLong clock = new AtomicLong(System.currentTimeMillis());
    try (final SingleChronicleQueue queue = SingleChronicleQueueBuilder.binary(queueFolder).timeProvider(clock::get).testBlockSize().rollCycle(RollCycles.HOURLY).build()) {
        final ExcerptAppender appender = queue.acquireAppender();
        for (int i = 0; i < 20_000; i++) {
            final int batchSize = random.nextInt(10);
            appender.writeDocument(batchSize, ValueOut::int64);
            final byte payload = (byte) random.nextInt();
            for (int j = 0; j < batchSize; j++) {
                appender.writeDocument(payload, ValueOut::int8);
            }
            if (random.nextDouble() > 0.995) {
                clock.addAndGet(TimeUnit.MINUTES.toMillis(37L));
                // this give the reference processor a chance to run
                LockSupport.parkNanos(TimeUnit.MILLISECONDS.toNanos(15L));
            }
        }
        if (OS.isLinux())
            assertTrue("Too many mapped files: " + getMappedQueueFileCount(), getMappedQueueFileCount() < 40);
        assertTrue(Files.list(queueFolder.toPath()).filter(p -> p.toString().endsWith(SUFFIX)).count() > 10L);
    }
}