Examples with ExcerptAppender net.openhft.chronicle.queue.ExcerptAppender used on opensource projects

Example 31 with ExcerptAppender

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

the class SingleChronicleQueueTest method testReadAtIndexWithIndexes.

@Test
public void testReadAtIndexWithIndexes() {
    final File file = createTempFile("testReadAtIndexWithIndexes");
    try {
        final SingleChronicleQueue chronicle = (SingleChronicleQueue) createQueue(file);
        final ExcerptAppender appender = chronicle.acquireAppender();
        // create 100 documents
        for (int i = 0; i < 100; i++) {
            final int j = i;
            appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
        }
        // creates the indexes
        new Indexer(chronicle).index();
        final ExcerptTailer tailer = chronicle.createTailer();
        tailer.index(67);
        StringBuilder sb = new StringBuilder();
        tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
        Assert.assertEquals("value=67", sb.toString());
    } finally {
        file.delete();
    }
}

Example 32 with ExcerptAppender

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

the class SingleChronicleQueueTest method testLastWrittenIndexPerAppenderNoData.

@Test(expected = IllegalStateException.class)
public void testLastWrittenIndexPerAppenderNoData() {
    final File file = createTempFile("testLastWrittenIndexPerAppenderNoData");
    try {
        final ChronicleQueue chronicle = createQueue(file);
        final ExcerptAppender appender = chronicle.acquireAppender();
        appender.lastWrittenIndex();
    } finally {
        file.delete();
    }
}

Example 33 with ExcerptAppender

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

the class SingleChronicleQueueTest method testReadAtIndex.

@Test
public void testReadAtIndex() {
    final File file = createTempFile("testReadAtIndex");
    try {
        final DirectChronicleQueue chronicle = createQueue(file);
        final ExcerptAppender appender = chronicle.acquireAppender();
        // create 100 documents
        for (int i = 0; i < 100; i++) {
            final int j = i;
            appender.writeDocument(wire -> wire.write(() -> "key").text("value=" + j));
        }
        final ExcerptTailer tailer = chronicle.createTailer();
        final StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 100; i++) {
            tailer.index(i);
            sb.setLength(0);
            tailer.readDocument(wire -> wire.read(() -> "key").text(sb));
            Assert.assertEquals("value=" + i, sb.toString());
        }
    } finally {
        file.delete();
    }
}

Example 34 with ExcerptAppender

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

the class SingleChronicleQueueTest method testLastIndexPerChronicle.

@Test
public void testLastIndexPerChronicle() {
    final File file = createTempFile("testLastIndexPerChronicle");
    try {
        final DirectChronicleQueue chronicle = createQueue(file);
        final ExcerptAppender appender = chronicle.acquireAppender();
        appender.writeDocument(wire -> wire.write(() -> "key").text("test"));
        Assert.assertEquals(0, chronicle.lastIndex());
    } finally {
        file.delete();
    }
}

Example 35 with ExcerptAppender

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

the class GarbageFreeMethodPublisher method onEightyByteMessage.

@Override
public void onEightyByteMessage(final EightyByteMessage message) {
    final ExcerptAppender appender = outputSupplier.get();
    // DebugTimestamps.operationStart(DebugTimestamps.Operation.GET_WRITING_DOCUMENT);
    @NotNull DocumentContext context = appender.writingDocument();
    // DebugTimestamps.operationEnd(DebugTimestamps.Operation.GET_WRITING_DOCUMENT);
    try {
        Wire wire = context.wire();
        // DebugTimestamps.operationStart(DebugTimestamps.Operation.WRITE_EVENT);
        try {
            wire.write(MethodReader.HISTORY).marshallable(MessageHistory.get());
            final ValueOut valueOut = wire.writeEventName("onEightyByteMessage");
            valueOut.object(EightyByteMessage.class, message);
            wire.padToCacheAlign();
        } finally {
        // DebugTimestamps.operationEnd(DebugTimestamps.Operation.WRITE_EVENT);
        }
    } finally {
        // DebugTimestamps.operationStart(DebugTimestamps.Operation.CLOSE_CONTEXT);
        try {
            context.close();
        } finally {
        // DebugTimestamps.operationEnd(DebugTimestamps.Operation.CLOSE_CONTEXT);
        }
    }
}