Example usage for java.nio ByteBuffer wrap

List of usage examples for java.nio ByteBuffer wrap

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Introduction

In this page you can find the example usage for java.nio ByteBuffer wrap.

Prototype

public static ByteBuffer wrap(byte[] array)

Source Link

Document

Creates a new byte buffer by wrapping the given byte array.

Usage

From source file:KinesisStreamDataProducer.java

public static void main(String[] args) throws Exception {
    init();/*  www  .j a  v a 2  s.c om*/

    final String myStreamName = "sparkStream";

    logger.info("Putting records in stream : " + myStreamName);
    // Write records to the stream
    for (int j = 0; j < 100; j++) {
        PutRecordRequest putRecordRequest = new PutRecordRequest();
        putRecordRequest.setStreamName(myStreamName);
        putRecordRequest.setData(
                ByteBuffer.wrap(String.format("testData-%d testData-%d testData-%d", j, j, j).getBytes()));
        putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
        PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
        System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                + ", ShardID : " + putRecordResult.getShardId());
    }
}

From source file:com.pinterest.terrapin.client.ClientTool.java

public static void main(String[] args) throws Exception {
    PropertiesConfiguration config = new PropertiesConfiguration(System.getProperty("terrapin.config"));
    TerrapinClient client = new TerrapinClient(config, 9090, 1000, 5000);
    String key = args[1];/* w w w.jav a  2 s.c o m*/
    TerrapinSingleResponse response = client.getOne(args[0], // fileset
            ByteBuffer.wrap(key.getBytes())).get();
    if (response.isSetErrorCode()) {
        System.out.println("Got error " + response.getErrorCode().toString());
    } else if (response.isSetValue()) {
        System.out.println("Got value.");
        System.out.println(new String(response.getValue()));
    } else {
        System.out.println("Key " + key + " not found.");
    }
    System.exit(0);
}

From source file:com.twitter.distributedlog.basic.ConsoleProxyMultiWriter.java

public static void main(String[] args) throws Exception {
    if (2 != args.length) {
        System.out.println(HELP);
        return;//ww w .j  a va 2 s.c  o m
    }

    String finagleNameStr = args[0];
    final String streamList = args[1];

    DistributedLogClient client = DistributedLogClientBuilder.newBuilder()
            .clientId(ClientId.apply("console-proxy-writer")).name("console-proxy-writer").thriftmux(true)
            .finagleNameStr(finagleNameStr).build();
    String[] streamNameList = StringUtils.split(streamList, ',');
    DistributedLogMultiStreamWriter multiStreamWriter = DistributedLogMultiStreamWriter.newBuilder()
            .streams(Lists.newArrayList(streamNameList)).bufferSize(0).client(client).flushIntervalMs(0)
            .firstSpeculativeTimeoutMs(10000).maxSpeculativeTimeoutMs(20000).requestTimeoutMs(50000).build();

    // Setup Terminal
    Terminal terminal = Terminal.setupTerminal();
    ConsoleReader reader = new ConsoleReader();
    String line;
    while ((line = reader.readLine(PROMPT_MESSAGE)) != null) {
        multiStreamWriter.write(ByteBuffer.wrap(line.getBytes(UTF_8)))
                .addEventListener(new FutureEventListener<DLSN>() {
                    @Override
                    public void onFailure(Throwable cause) {
                        System.out.println("Encountered error on writing data");
                        cause.printStackTrace(System.err);
                        Runtime.getRuntime().exit(0);
                    }

                    @Override
                    public void onSuccess(DLSN value) {
                        // done
                    }
                });
    }

    multiStreamWriter.close();
    client.close();
}

From source file:com.knewton.mapreduce.cassandra.WriteSampleSSTable.java

/**
 * Writes a sample SSTable that can be used for running the example job {@link SSTableMRExample}
 *
 * @param args/* w ww.  j  a  v  a2s  .c  o  m*/
 *            Args to be parsed
 * @throws Exception
 */
public static void main(String[] args) throws Exception {
    buildParametersFromArgs(args);

    IPartitioner partitioner = StorageService.getPartitioner();
    String schema = String.format(
            "CREATE TABLE %s.%s (studentid 'LongType', " + "eventid 'LongType'," + "data 'BytesType', "
                    + "PRIMARY KEY (studentid, eventid))" + " WITH COMPACT STORAGE",
            KEYSPACE_NAME, COLUMN_FAMILY_NAME);

    String insertStatement = String.format("INSERT INTO %s.%s (studentid, eventid, data) " + "VALUES (?, ?, ?)",
            KEYSPACE_NAME, COLUMN_FAMILY_NAME);

    CQLSSTableWriter tableWriter = CQLSSTableWriter.builder().inDirectory(tableDirectory)
            .withPartitioner(partitioner).forTable(schema).using(insertStatement).build();

    for (int i = 0; i < numberOfStudents; i++) {
        for (int j = 0; j < eventsPerStudent; j++) {
            StudentEvent studentEvent = RandomStudentEventGenerator.getRandomStudentEvent();

            ByteBuffer columnValue = ByteBuffer
                    .wrap(RandomStudentEventGenerator.serializeStudentEventData(studentEvent.getData()));

            tableWriter.addRow(RandomStudentEventGenerator.getRandomId(), studentEvent.getId(), columnValue);
        }
    }

    tableWriter.close();
}

From source file:com.boundary.aws.kinesis.Sample.java

public static void main(String[] args) throws Exception {
    init();/*from w  w  w.  j  av  a 2s.c om*/

    final String myStreamName = "boundary-test-stream";
    final Integer myStreamSize = 1;

    // Create a stream. The number of shards determines the provisioned
    // throughput.

    CreateStreamRequest createStreamRequest = new CreateStreamRequest();
    createStreamRequest.setStreamName(myStreamName);
    createStreamRequest.setShardCount(myStreamSize);

    kinesisClient.createStream(createStreamRequest);
    // The stream is now being created.
    LOG.info("Creating Stream : " + myStreamName);
    waitForStreamToBecomeAvailable(myStreamName);

    // list all of my streams
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());

    }
    LOG.info("Printing my list of streams : ");

    // print all of my streams.
    if (!streamNames.isEmpty()) {
        System.out.println("List of my streams: ");
    }
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println(streamNames.get(i));
    }

    LOG.info("Putting records in stream : " + myStreamName);
    // Write 10 records to the stream
    for (int j = 0; j < 100; j++) {
        PutRecordRequest putRecordRequest = new PutRecordRequest();
        putRecordRequest.setStreamName(myStreamName);
        putRecordRequest.setData(ByteBuffer.wrap(String.format("testData-%d", j).getBytes()));
        putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
        PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
        System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                + ", ShardID : " + putRecordResult.getShardId());
    }

    // Delete the stream.
    LOG.info("Deleting stream : " + myStreamName);
    DeleteStreamRequest deleteStreamRequest = new DeleteStreamRequest();
    deleteStreamRequest.setStreamName(myStreamName);

    kinesisClient.deleteStream(deleteStreamRequest);
    // The stream is now being deleted.
    LOG.info("Stream is now being deleted : " + myStreamName);
}

From source file:AmazonKinesisSample.java

public static void main(String[] args) throws Exception {
    init();/*from   ww w. j a va 2  s .  c o  m*/

    final String myStreamName = "myFirstStream";
    final Integer myStreamSize = 1;

    // Create a stream. The number of shards determines the provisioned throughput.

    CreateStreamRequest createStreamRequest = new CreateStreamRequest();
    createStreamRequest.setStreamName(myStreamName);
    createStreamRequest.setShardCount(myStreamSize);

    kinesisClient.createStream(createStreamRequest);
    // The stream is now being created.
    LOG.info("Creating Stream : " + myStreamName);
    waitForStreamToBecomeAvailable(myStreamName);

    // list all of my streams
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());

    }
    LOG.info("Printing my list of streams : ");

    // print all of my streams.
    if (!streamNames.isEmpty()) {
        System.out.println("List of my streams: ");
    }
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println(streamNames.get(i));
    }

    LOG.info("Putting records in stream : " + myStreamName);
    // Write 10 records to the stream
    for (int j = 0; j < 10; j++) {
        PutRecordRequest putRecordRequest = new PutRecordRequest();
        putRecordRequest.setStreamName(myStreamName);
        putRecordRequest.setData(ByteBuffer.wrap(String.format("testData-%d", j).getBytes()));
        putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
        PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
        System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                + ", ShardID : " + putRecordResult.getShardId());
    }

    // Delete the stream.
    LOG.info("Deleting stream : " + myStreamName);
    DeleteStreamRequest deleteStreamRequest = new DeleteStreamRequest();
    deleteStreamRequest.setStreamName(myStreamName);

    kinesisClient.deleteStream(deleteStreamRequest);
    // The stream is now being deleted.
    LOG.info("Stream is now being deleted : " + myStreamName);
}

From source file:AmazonKinesisCreate.java

public static void main(String[] args) throws Exception {
    init();//from ww w . j  a  v  a  2  s .  c  o m

    final String myStreamName = "philsteststream";
    final Integer myStreamSize = 1;

    // Create a stream. The number of shards determines the provisioned throughput.

    CreateStreamRequest createStreamRequest = new CreateStreamRequest();
    createStreamRequest.setStreamName(myStreamName);
    createStreamRequest.setShardCount(myStreamSize);

    // pt
    kinesisClient.createStream(createStreamRequest);

    // The stream is now being created.
    LOG.info("Creating Stream : " + myStreamName);
    waitForStreamToBecomeAvailable(myStreamName);

    // list all of my streams
    ListStreamsRequest listStreamsRequest = new ListStreamsRequest();
    listStreamsRequest.setLimit(10);
    ListStreamsResult listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
    List<String> streamNames = listStreamsResult.getStreamNames();
    while (listStreamsResult.isHasMoreStreams()) {
        if (streamNames.size() > 0) {
            listStreamsRequest.setExclusiveStartStreamName(streamNames.get(streamNames.size() - 1));
        }

        listStreamsResult = kinesisClient.listStreams(listStreamsRequest);
        streamNames.addAll(listStreamsResult.getStreamNames());

    }
    LOG.info("Printing my list of streams : ");

    // print all of my streams.
    if (!streamNames.isEmpty()) {
        System.out.println("List of my streams: ");
    }
    for (int i = 0; i < streamNames.size(); i++) {
        System.out.println(streamNames.get(i));
    }

    LOG.info("Putting records in stream : " + myStreamName);
    // Write 10 records to the stream
    for (int j = 0; j < 10; j++) {

        try {
            PutRecordRequest putRecordRequest = new PutRecordRequest();
            putRecordRequest.setStreamName(myStreamName);
            putRecordRequest.setData(ByteBuffer.wrap(String.format("testData-%d", j).getBytes()));
            putRecordRequest.setPartitionKey(String.format("partitionKey-%d", j));
            PutRecordResult putRecordResult = kinesisClient.putRecord(putRecordRequest);
            System.out.println("Successfully putrecord, partition key : " + putRecordRequest.getPartitionKey()
                    + ", ShardID : " + putRecordResult.getShardId());
            Thread.sleep(1000);

        } catch (Exception e) {
            e.printStackTrace();
        }

    }

    // Delete the stream.

    /*
    LOG.info("Deleting stream : " + myStreamName);
    DeleteStreamRequest deleteStreamRequest = new DeleteStreamRequest();
    deleteStreamRequest.setStreamName(myStreamName);
            
    kinesisClient.deleteStream(deleteStreamRequest);
    // The stream is now being deleted.
    LOG.info("Stream is now being deleted : " + myStreamName);
            
    LOG.info("Streaming completed" + myStreamName);
    */

}

From source file:com.openteach.diamond.network.waverider.command.Command.java

public static void main(String[] args) {

    ByteArrayOutputStream bout = null;
    ObjectOutputStream objOutputStream = null;

    try {// w  w w . j a  v  a  2s  . c  o  m
        bout = new ByteArrayOutputStream();
        objOutputStream = new ObjectOutputStream(bout);
        SlaveState slaveState = new SlaveState();
        slaveState.setId(1L);
        slaveState.setIsMasterCandidate(false);
        objOutputStream.writeObject(slaveState);
        objOutputStream.flush();
        Command command = CommandFactory.createHeartbeatCommand(ByteBuffer.wrap(bout.toByteArray()));

        ByteBuffer buffer = command.marshall();
        Command cmd = Command.unmarshall(buffer);
        SlaveState ss = SlaveState.fromByteBuffer(cmd.getPayLoad());
        System.out.println(cmd.toString());
    } catch (IOException e) {
        throw new RuntimeException(e);
    } finally {
        try {
            if (objOutputStream != null) {
                objOutputStream.close();
            }
            if (bout != null) {
                bout.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

From source file:com.splout.db.dnode.TCPStreamer.java

/**
 * This main method can be used for testing the TCP interface directly to a
 * local DNode. Will ask for protocol input from Stdin and print output to
 * Stdout/*from  w w w  . j av a2 s . c o  m*/
 */
public static void main(String[] args) throws UnknownHostException, IOException, SerializationException {
    SploutConfiguration config = SploutConfiguration.get();
    Socket clientSocket = new Socket("localhost", config.getInt(DNodeProperties.STREAMING_PORT));

    DataInputStream inFromServer = new DataInputStream(new BufferedInputStream(clientSocket.getInputStream()));
    DataOutputStream outToServer = new DataOutputStream(
            new BufferedOutputStream(clientSocket.getOutputStream()));

    BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
    System.out.println("Enter tablespace: ");
    String tablespace = reader.readLine();

    System.out.println("Enter version number: ");
    long versionNumber = Long.parseLong(reader.readLine());

    System.out.println("Enter partition: ");
    int partition = Integer.parseInt(reader.readLine());

    System.out.println("Enter query: ");
    String query = reader.readLine();

    outToServer.writeUTF(tablespace);
    outToServer.writeLong(versionNumber);
    outToServer.writeInt(partition);
    outToServer.writeUTF(query);

    outToServer.flush();

    byte[] buffer = new byte[0];
    boolean read;
    do {
        read = false;
        int nBytes = inFromServer.readInt();
        if (nBytes > 0) {
            buffer = new byte[nBytes];
            int inRead = inFromServer.read(buffer);
            if (inRead > 0) {
                Object[] res = ResultSerializer.deserialize(ByteBuffer.wrap(buffer), Object[].class);
                read = true;
                System.out.println(Arrays.toString(res));
            }
        }
    } while (read);

    clientSocket.close();
}

From source file:Main.java

public static int bytesToInt(byte[] in) {
    return ByteBuffer.wrap(in).getInt(); //note: big-endian by default
}