Example usage for com.google.common.primitives Longs toByteArray

Introduction

In this page you can find the example usage for com.google.common.primitives Longs toByteArray.

Prototype

public static byte[] toByteArray(long value) 

Source Link

Document

Returns a big-endian representation of value in an 8-element byte array; equivalent to ByteBuffer.allocate(8).putLong(value).array() .

Usage

From source file:com.yandex.yoctodb.v1.mutable.segment.AbstractV1FullIndex.java

@NotNull
@Override/*from   ww w.j  a v a  2s .  co  m*/
public OutputStreamWritable buildWritable() {
    checkNotFrozen();

    freeze();

    // Building index

    final IndexToIndexMultiMap valueToDocumentsIndex = new IntIndexToIndexMultiMap(
            valueToDocuments.asMap().values());

    final ByteArraySortedSet values;
    if (fixedLength) {
        values = new FixedLengthByteArraySortedSet(valueToDocuments.keySet());
    } else {
        values = new VariableLengthByteArraySortedSet(valueToDocuments.keySet());
    }

    final IndexToIndexMap documentToValueIndex = new IntIndexToIndexMap();
    for (Map.Entry<Integer, UnsignedByteArray> entry : documentToValue.entrySet()) {
        documentToValueIndex.put(entry.getKey(), values.indexOf(entry.getValue()));
    }

    // Free memory
    valueToDocuments = null;
    documentToValue = null;

    return new OutputStreamWritable() {
        @Override
        public long getSizeInBytes() {
            return 4L + // Field name
            fieldName.length + 8 + // Values
            values.getSizeInBytes() + 8 + // Value to documents
            valueToDocumentsIndex.getSizeInBytes() + 8 + // Document to value
            documentToValueIndex.getSizeInBytes();
        }

        @Override
        public void writeTo(@NotNull final OutputStream os) throws IOException {
            os.write(Longs.toByteArray(getSizeInBytes()));

            // Payload segment type
            os.write(Ints.toByteArray(segmentType.getCode()));

            // Field name
            os.write(Ints.toByteArray(fieldName.length));
            os.write(fieldName);

            // Values
            os.write(Longs.toByteArray(values.getSizeInBytes()));
            values.writeTo(os);

            // Value to documents
            os.write(Longs.toByteArray(valueToDocumentsIndex.getSizeInBytes()));
            valueToDocumentsIndex.writeTo(os);

            // Document to value
            os.write(Longs.toByteArray(documentToValueIndex.getSizeInBytes()));
            documentToValueIndex.writeTo(os);
        }
    };
}

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From source file:com.continuuity.loom.common.zookeeper.IdService.java

private long generateId(Type type) {
    idLock.get().acquire();//  w  ww .j  a  v  a 2s.  c o  m
    try {
        NodeData nodeData = Futures.getUnchecked(zkClient.getData(type.path));
        long counterVal = Longs.fromByteArray(nodeData.getData());
        Futures.getUnchecked(zkClient.setData(type.path, Longs.toByteArray(counterVal + incrementBy)));
        return counterVal;
    } finally {
        idLock.get().release();
    }
}

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From source file:cn.codepub.redis.directory.io.JedisPoolStream.java

@Override
public void rename(String fileLengthKey, String fileDataKey, String oldField, String newField,
        List<byte[]> values, long fileLength) {
    long blockSize = 0;
    Jedis jedis = null;/*from ww  w  . j  a v  a  2  s  .co  m*/
    try {
        jedis = jedisPool.getResource();
        Pipeline pipelined = jedis.pipelined();
        //add new file length
        pipelined.hset(fileLengthKey.getBytes(), newField.getBytes(), Longs.toByteArray(fileLength));
        //add new file content
        blockSize = getBlockSize(fileLength);
        for (int i = 0; i < blockSize; i++) {
            pipelined.hset(fileDataKey.getBytes(), getBlockName(newField, i), compressFilter(values.get(i)));
        }
        values.clear();
        pipelined.sync();
    } finally {
        jedis.close();
        deleteFile(fileLengthKey, fileDataKey, oldField, blockSize);
    }
}

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From source file:org.onosproject.ipfix.DataRecordRfwdIpv4.java

@Override
public byte[] getBytes() throws HeaderException {
    try {/*from  ww  w  . j  a va 2s.c  o  m*/
        byte[] data = new byte[LENGTH];

        System.arraycopy(exporterIPv4Address.toOctets(), 0, data, 0, 4);
        System.arraycopy(exporterIPv6Address.toOctets(), 0, data, 4, 16);
        System.arraycopy(Longs.toByteArray(flowStartMilliseconds), 0, data, 20, 8);
        System.arraycopy(Longs.toByteArray(flowEndMilliseconds), 0, data, 28, 8);
        System.arraycopy(Longs.toByteArray(octetDeltaCount), 0, data, 36, 8);
        System.arraycopy(Longs.toByteArray(packetDeltaCount), 0, data, 44, 8);
        System.arraycopy(Ints.toByteArray(ingressInterface), 0, data, 52, 4);
        System.arraycopy(Ints.toByteArray(egressInterface), 0, data, 56, 4);
        System.arraycopy(sourceMacAddress.toBytes(), 0, data, 60, 6);
        System.arraycopy(destinationMacAddress.toBytes(), 0, data, 66, 6);
        System.arraycopy(Shorts.toByteArray(ethernetType), 0, data, 72, 2);
        System.arraycopy(Shorts.toByteArray(vlanId), 0, data, 74, 2);
        System.arraycopy(sourceIPv4Address.toOctets(), 0, data, 76, 4);
        System.arraycopy(destinationIPv4Address.toOctets(), 0, data, 80, 4);
        data[84] = protocolIdentifier;
        data[85] = ipClassOfService;
        System.arraycopy(Shorts.toByteArray(sourceTransportPort), 0, data, 86, 2);
        System.arraycopy(Shorts.toByteArray(destinationTransportPort), 0, data, 88, 2);

        return data;
    } catch (Exception e) {
        throw new HeaderException("Error while generating the bytes: " + e.getMessage());
    }
}

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From source file:cn.codepub.redis.directory.io.JedisStream.java

@Override
public void saveFile(String fileLengthKey, String fileDataKey, String fileName, List<byte[]> values,
        long fileLength) {
    Jedis jedis = openJedis();/*from   ww w  .  jav  a 2  s  . co m*/
    Pipeline pipelined = jedis.pipelined();
    pipelined.hset(fileLengthKey.getBytes(), fileName.getBytes(), Longs.toByteArray(fileLength));
    Long blockSize = getBlockSize(fileLength);
    for (int i = 0; i < blockSize; i++) {
        pipelined.hset(fileDataKey.getBytes(), getBlockName(fileName, i), compressFilter(values.get(i)));
        if (i % Constants.SYNC_COUNT == 0) {
            pipelined.sync();
            pipelined = jedis.pipelined();
        }
    }
    pipelined.sync();
    jedis.close();
    values.clear();
}

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From source file:org.onosproject.ipfix.DataRecordRfwdIpv6.java

@Override
public byte[] getBytes() throws HeaderException {
    try {//from  w w  w.ja v a2 s  .  co  m
        byte[] data = new byte[LENGTH];

        System.arraycopy(exporterIPv4Address.toOctets(), 0, data, 0, 4);
        System.arraycopy(exporterIPv6Address.toOctets(), 0, data, 4, 16);
        System.arraycopy(Longs.toByteArray(flowStartMilliseconds), 0, data, 20, 8);
        System.arraycopy(Longs.toByteArray(flowEndMilliseconds), 0, data, 28, 8);
        System.arraycopy(Longs.toByteArray(octetDeltaCount), 0, data, 36, 8);
        System.arraycopy(Longs.toByteArray(packetDeltaCount), 0, data, 44, 8);
        System.arraycopy(Ints.toByteArray(ingressInterface), 0, data, 52, 4);
        System.arraycopy(Ints.toByteArray(egressInterface), 0, data, 56, 4);
        System.arraycopy(sourceMacAddress.toBytes(), 0, data, 60, 6);
        System.arraycopy(destinationMacAddress.toBytes(), 0, data, 66, 6);
        System.arraycopy(Shorts.toByteArray(ethernetType), 0, data, 72, 2);
        System.arraycopy(Shorts.toByteArray(vlanId), 0, data, 74, 2);
        System.arraycopy(sourceIPv6Address.toOctets(), 0, data, 76, 16);
        System.arraycopy(destinationIPv6Address.toOctets(), 0, data, 92, 16);
        System.arraycopy(Ints.toByteArray(flowLabelIpv6), 0, data, 108, 4);
        data[112] = protocolIdentifier;
        data[113] = ipClassOfService;
        System.arraycopy(Shorts.toByteArray(sourceTransportPort), 0, data, 114, 2);
        System.arraycopy(Shorts.toByteArray(destinationTransportPort), 0, data, 116, 2);

        return data;
    } catch (Exception e) {
        throw new HeaderException("Error while generating the bytes: " + e.getMessage());
    }
}

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From source file:com.continuuity.loom.common.zookeeper.IdService.java

private void initializeCounter(Type type) {
    Stat stat = Futures.getUnchecked(zkClient.exists(type.path));
    if (stat == null) {
        Futures.getUnchecked(//from   w w w . j  ava  2 s.c  o  m
                zkClient.create(type.path, Longs.toByteArray(startId), CreateMode.PERSISTENT, true));
    }
}

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From source file:cn.codepub.redis.directory.io.ShardedJedisPoolStream.java

/**
 * Use transactions to add index file and then delete the old one
 *
 * @param fileLengthKey the key using for hash file length
 * @param fileDataKey   the key using for hash file data
 * @param oldField      the old hash field
 * @param newField      the new hash field
 * @param values        the data values of the old hash field
 * @param fileLength    the data length of the old hash field
 *///from w w  w. j  av a  2s.  co m
@Override
public void rename(String fileLengthKey, String fileDataKey, String oldField, String newField,
        List<byte[]> values, long fileLength) {
    ShardedJedis shardedJedis = getShardedJedis();
    ShardedJedisPipeline pipelined = shardedJedis.pipelined();
    //add new file length
    pipelined.hset(fileLengthKey.getBytes(), newField.getBytes(), Longs.toByteArray(fileLength));
    //add new file content
    Long blockSize = getBlockSize(fileLength);
    for (int i = 0; i < blockSize; i++) {
        pipelined.hset(fileDataKey.getBytes(), getBlockName(newField, i), compressFilter(values.get(i)));
    }
    pipelined.sync();
    shardedJedis.close();
    values.clear();
    deleteFile(fileLengthKey, fileDataKey, oldField, blockSize);
}

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From source file:com.linkedin.pinot.tools.admin.command.StreamAvroIntoKafkaCommand.java

@Override
public boolean execute() throws IOException {
    int messageDelayMillis = Integer.parseInt(_millisBetweenMessages);
    final boolean sleepRequired = 0 < messageDelayMillis;

    if (sleepRequired) {
        LOGGER.info("Streaming Avro file into Kafka topic {} with {} ms between messages", _kafkaTopic,
                _millisBetweenMessages);
    } else {/*from ww w .j  ava  2  s .c o  m*/
        LOGGER.info("Streaming Avro file into Kafka topic {} with no delay between messages", _kafkaTopic);
    }

    // Create Kafka producer
    Properties properties = new Properties();
    properties.put("metadata.broker.list", _kafkaBrokerList);
    properties.put("serializer.class", "kafka.serializer.DefaultEncoder");
    properties.put("request.required.acks", "1");

    ProducerConfig producerConfig = new ProducerConfig(properties);
    Producer<byte[], byte[]> producer = new Producer<byte[], byte[]>(producerConfig);
    try {
        // Open the Avro file
        DataFileStream<GenericRecord> reader = AvroUtils.getAvroReader(new File(_avroFile));

        // Iterate over every record
        for (GenericRecord genericRecord : reader) {
            // Write the message to Kafka
            String recordJson = genericRecord.toString();
            byte[] bytes = recordJson.getBytes("utf-8");
            KeyedMessage<byte[], byte[]> data = new KeyedMessage<byte[], byte[]>(_kafkaTopic,
                    Longs.toByteArray(HashUtil.hash64(bytes, bytes.length)), bytes);

            producer.send(data);

            // Sleep between messages
            if (sleepRequired) {
                Uninterruptibles.sleepUninterruptibly(messageDelayMillis, TimeUnit.MILLISECONDS);
            }
        }

        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
        throw new RuntimeException(e);
    }

    savePID(System.getProperty("java.io.tmpdir") + File.separator + ".streamAvro.pid");
    return true;
}

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From source file:org.gaul.s3proxy.NullBlobStore.java

@Override
public String completeMultipartUpload(final MultipartUpload mpu, final List<MultipartPart> parts) {
    long length = 0;
    for (MultipartPart part : parts) {
        length += part.partSize();//w  w  w  . j  a  v  a2 s. co  m
    }

    byte[] array = Longs.toByteArray(length);
    ByteSourcePayload payload = new ByteSourcePayload(ByteSource.wrap(array));

    super.abortMultipartUpload(mpu);

    MultipartPart part = delegate().uploadMultipartPart(mpu, 1, payload);

    return delegate().completeMultipartUpload(mpu, ImmutableList.of(part));
}

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