Examples with DocumentContext net.openhft.chronicle.wire.DocumentContext used on opensource projects

Example 96 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext in project Chronicle-Queue by OpenHFT.

the class ToEndPaddingTest method toEndWorksWithDifferentlyPaddedMessages.

@Test
public void toEndWorksWithDifferentlyPaddedMessages() {
    try (ChronicleQueue queue = SingleChronicleQueueBuilder.single(getTmpDir()).testBlockSize().rollCycle(RollCycles.TEST8_DAILY).build()) {
        final ExcerptAppender appender = queue.acquireAppender();
        final ExcerptTailer tailer = queue.createTailer();
        try (final DocumentContext documentContext = appender.acquireWritingDocument(false)) {
            documentContext.wire().write("start").text("start");
        }
        DocumentContext dc;
        try (final DocumentContext documentContext = tailer.readingDocument(false)) {
            assertTrue(documentContext.isPresent());
            final String text = documentContext.wire().read().text();
            assertEquals("start", text);
            // cache for later
            dc = documentContext;
        }
        for (int i = 0; i < 2; i++) {
            try (final DocumentContext documentContext = appender.acquireWritingDocument(true)) {
                documentContext.wire().write("metakey" + i).text(Bytes.wrapForRead(new byte[i + 1]));
            }
        }
        // System.out.println(queue.dump());
        // toEnd just before adding one more entry
        assertEquals(2328, dc.wire().bytes().readPosition());
        tailer.toEnd();
        assertEquals(2360, dc.wire().bytes().readPosition());
        try (final DocumentContext documentContext = appender.acquireWritingDocument(false)) {
            documentContext.wire().write("key").text("value");
        }
        try (final DocumentContext documentContext = tailer.readingDocument(false)) {
            assertTrue(documentContext.isPresent());
            final String text = documentContext.wire().read().text();
            assertEquals("value", text);
        }
    }
}

Example 97 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext in project Chronicle-Queue by OpenHFT.

the class ValueStringArrayTest method test.

@Test
public void test() {
    // No explicit support of putting a Value into Wire.
    expectException("BytesMarshallable found in field which is not matching exactly");
    ValueStringArray value = new ValueStringArray();
    value.setCsArrItem(1, EXPECTED);
    // this is the directory the queue is written to
    final File dataDir = getTmpDir();
    try (final ChronicleQueue queue = SingleChronicleQueueBuilder.binary(dataDir).build()) {
        try (DocumentContext dc = queue.acquireAppender().writingDocument()) {
            dc.wire().write("data").marshallable(value);
        }
        try (DocumentContext dc = queue.createTailer().readingDocument()) {
            dc.wire().read("data").marshallable(using);
            CharSequence actual = using.getCsArr().getCharSequenceWrapperAt(1).getCharSequence();
            // System.out.println(actual);
            Assert.assertEquals(EXPECTED, actual.toString());
        }
    }
}

Example 98 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext in project Chronicle-Queue by OpenHFT.

the class DtoBytesMarshallableTest method testDtoBytesMarshallable.

@Test
public void testDtoBytesMarshallable() {
    File tmp = getTmpDir();
    DtoBytesMarshallable dto = new DtoBytesMarshallable();
    dto.age = 45;
    dto.name.append("rob");
    try (ChronicleQueue q = ChronicleQueue.singleBuilder(tmp).build()) {
        try (DocumentContext dc = q.acquireAppender().writingDocument()) {
            dc.wire().write("who").object(dto);
        }
        try (DocumentContext dc = q.createTailer().readingDocument()) {
            DtoBytesMarshallable who = (DtoBytesMarshallable) dc.wire().read("who").object();
            Assert.assertEquals("!net.openhft.chronicle.queue.DtoBytesMarshallableTest$DtoBytesMarshallable {\n" + "  name: rob,\n" + "  age: 45\n" + "}\n", who.toString());
        }
    }
}

Example 99 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext in project Chronicle-Queue by OpenHFT.

the class DtoBytesMarshallableTest method testDtoAbstractMarshallable.

@Test
public void testDtoAbstractMarshallable() {
    File tmp = getTmpDir();
    DtoAbstractMarshallable dto = new DtoAbstractMarshallable();
    dto.age = 45;
    dto.name.append("rob");
    try (ChronicleQueue q = ChronicleQueue.singleBuilder(tmp).build()) {
        try (DocumentContext dc = q.acquireAppender().writingDocument()) {
            dc.wire().write("who").object(dto);
        }
        try (DocumentContext dc = q.createTailer().readingDocument()) {
            String yaml = dc.toString();
            // System.out.println(yaml);
            DtoAbstractMarshallable who = (DtoAbstractMarshallable) dc.wire().read("who").object();
            // System.out.println(who);
            Assert.assertTrue(yaml.contains(who.toString()));
        }
    }
}

Example 100 with DocumentContext

use of net.openhft.chronicle.wire.DocumentContext in project Chronicle-Queue by OpenHFT.

the class CheckHalfWrittenMsgNotSeenByTailerTest method checkTailerOnlyReadsTwoMessageTwoProcesses.

@Test
public void checkTailerOnlyReadsTwoMessageTwoProcesses() throws IOException, InterruptedException {
    Assume.assumeTrue(!OS.isWindows());
    Assume.assumeTrue(!OS.isMacOSX());
    final File queueDirectory = DirectoryUtils.tempDir("halfWritten");
    final String command = String.format("mvn compile exec:java -Dexec.classpathScope=test " + "-Dexec.mainClass=%s -Dexec.args=\"%s\"", HalfWriteAMessage.class.getName(), queueDirectory.getAbsoluteFile());
    runCommand(command);
    try (final ChronicleQueue single = ChronicleQueue.single(queueDirectory.getPath());
        final ExcerptTailer tailer = single.createTailer()) {
        try (final DocumentContext dc = tailer.readingDocument()) {
            Assert.assertTrue(dc.isPresent());
            Assert.assertEquals("hello world 1", dc.wire().read("key1").text());
            Assert.assertEquals("hello world 2", dc.wire().read("key2").text());
        }
        try (final DocumentContext dc = tailer.readingDocument()) {
            Assert.assertTrue(dc.isPresent());
            Assert.assertEquals("hello world 3", dc.wire().read("key1").text());
            Assert.assertEquals("hello world 4", dc.wire().read("key2").text());
        }
        try (final DocumentContext dc = tailer.readingDocument()) {
            final boolean present = dc.isPresent();
            if (present) {
                Jvm.error().on(getClass(), "Found an excerpt " + dc.wire().bytes().toHexString());
                String key = dc.wire().readEvent(String.class);
                String value = dc.wire().getValueIn().text();
                fail("key: " + key + ", value: " + value);
            }
        }
    }
}