Examples with RollingChronicleQueue net.openhft.chronicle.queue.impl.RollingChronicleQueue used on opensource projects

Example 11 with RollingChronicleQueue

use of net.openhft.chronicle.queue.impl.RollingChronicleQueue in project Chronicle-Queue by OpenHFT.

the class StuckQueueTest method test.

@Test
public void test() throws IOException {
    // todo remove see https://github.com/OpenHFT/Chronicle-Queue/issues/837
    assumeFalse(Jvm.isMacArm());
    // java.nio.file.InvalidPathException: Illegal char <:> at index 2: /D:/BuildAgent/work/1e5875c1db7235db/target/test-classes/stuck.queue.test/20180508-1249.cq4
    assumeFalse(OS.isWindows());
    Path tmpDir = getTmpDir().toPath();
    expectException("Failback to readonly tablestore");
    expectException("reading control code as text");
    // expectException("Unable to copy TimedStoreRecovery safely will try anyway");
    // expectException("Unable to copy SCQStore safely will try anyway");
    // expectException("Unable to copy SCQSRoll safely");
    // expectException("Unable to copy SCQSIndexing safely");
    tmpDir.toFile().mkdirs();
    Path templatePath = Paths.get(StuckQueueTest.class.getResource("/stuck.queue.test/20180508-1249.cq4").getFile());
    Path to = tmpDir.resolve(templatePath.getFileName());
    Files.copy(templatePath, to, StandardCopyOption.REPLACE_EXISTING);
    try (RollingChronicleQueue q = ChronicleQueue.singleBuilder(tmpDir).rollCycle(RollCycles.MINUTELY).readOnly(true).build();
        ExcerptTailer tailer = q.createTailer()) {
        // System.out.println(q.dump());
        int cycle = q.rollCycle().toCycle(0x18406e100000000L);
        try (SingleChronicleQueueStore wireStore = q.storeForCycle(cycle, q.epoch(), false, null)) {
            String absolutePath = wireStore.file().getAbsolutePath();
            // System.out.println(absolutePath);
            Assert.assertTrue(absolutePath.endsWith("20180508-1249.cq4"));
        }
        try (DocumentContext dc = tailer.readingDocument()) {
        // Assert.assertTrue(!dc.isPresent());
        // System.out.println(Long.toHexString(dc.index()));
        }
        // Assert.assertTrue(tailer.moveToIndex(0x183efe300000000L));
        try (final SingleChronicleQueue q2 = ChronicleQueue.singleBuilder(tmpDir).rollCycle(RollCycles.MINUTELY).build()) {
            try (DocumentContext dc = q2.acquireAppender().writingDocument()) {
                dc.wire().write("hello").text("world");
            }
        }
        ExcerptTailer tailer2 = q.createTailer();
        try (DocumentContext dc = tailer2.readingDocument()) {
            Assert.assertTrue(dc.isPresent());
            String actual = dc.wire().read("hello").text();
            Assert.assertEquals("world", actual);
        // System.out.println(Long.toHexString(dc.index()));
        }
    }
}

Example 12 with RollingChronicleQueue

use of net.openhft.chronicle.queue.impl.RollingChronicleQueue in project Chronicle-Queue by OpenHFT.

the class SingleChronicleQueueTest method testCountExceptsBetweenCycles.

@Test
public void testCountExceptsBetweenCycles() {
    SetTimeProvider timeProvider = new SetTimeProvider();
    try (final RollingChronicleQueue queue = binary(getTmpDir()).rollCycle(RollCycles.TEST_SECONDLY).timeProvider(timeProvider).build();
        final ExcerptAppender appender = queue.acquireAppender()) {
        long[] indexs = new long[10];
        for (int i = 0; i < indexs.length; i++) {
            try (DocumentContext writingContext = appender.writingDocument()) {
                writingContext.wire().write().text("some-text-" + i);
                indexs[i] = writingContext.index();
            }
            // skipped
            if ((i + 1) % 5 == 0)
                timeProvider.advanceMillis(2000);
            else if ((i + 1) % 3 == 0)
                timeProvider.advanceMillis(1000);
        }
        for (int lower = 0; lower < indexs.length; lower++) {
            for (int upper = lower; upper < indexs.length; upper++) {
                assertEquals(upper - lower, queue.countExcerpts(indexs[lower], indexs[upper]));
            }
        }
        // check the base line of the test below
        assertEquals(6, queue.countExcerpts(indexs[0], indexs[6]));
        // / check for the case when the last index has a sequence number of -1
        assertEquals(0, queue.rollCycle().toSequenceNumber(indexs[6]));
        assertEquals(5, queue.countExcerpts(indexs[0], indexs[6] - 1));
        // / check for the case when the first index has a sequence number of -1
        assertEquals(7, queue.countExcerpts(indexs[0] - 1, indexs[6]));
    }
}

Example 13 with RollingChronicleQueue

use of net.openhft.chronicle.queue.impl.RollingChronicleQueue in project Chronicle-Queue by OpenHFT.

the class SingleChronicleQueueTest method testReadAtIndex.

@Test
public void testReadAtIndex() {
    try (final RollingChronicleQueue queue = builder(getTmpDir(), wireType).indexCount(8).indexSpacing(8).build()) {
        final ExcerptAppender appender = queue.acquireAppender();
        // create 100 documents
        for (int i = 0; i < 100; i++) {
            final int j = i;
            try (final DocumentContext context = appender.writingDocument()) {
                context.wire().write("key").text("value=" + j);
            }
        }
        long lastIndex = appender.lastIndexAppended();
        final int cycle = queue.rollCycle().toCycle(lastIndex);
        assertEquals(queue.firstCycle(), cycle);
        assertEquals(queue.lastCycle(), cycle);
        final ExcerptTailer tailer = queue.createTailer(named ? "named" : null);
        StringBuilder sb = new StringBuilder();
        for (int i : new int[] { 0, 8, 7, 9, 64, 65, 66 }) {
            final long index = queue.rollCycle().toIndex(cycle, i);
            assertTrue("i: " + i, tailer.moveToIndex(index));
            final DocumentContext context = tailer.readingDocument();
            assertEquals(index, context.index());
            context.wire().read("key").text(sb);
            assertEquals("value=" + i, sb.toString());
        }
    }
}