Example usage for java.nio ByteBuffer putLong

Introduction

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

Prototype

public abstract ByteBuffer putLong(long value);

Source Link

Document

Writes the given long to the current position and increases the position by 8.

Usage

From source file:org.apache.airavata.gfac.core.GFacUtils.java

public static byte[] longToBytes(long x) {
    ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES);
    buffer.putLong(x);
    return buffer.array();
}

From source file:org.lab41.hbase.TitanHbaseIdSplitter.java

public byte[] longToBytes(long x) {
    ByteBuffer buffer = ByteBuffer.allocate(8);
    buffer.putLong(x);
    return buffer.array();
}

From source file:com.linkedin.databus.core.DbusEventV2.java

public static void setKey(ByteBuffer buf, DbusEventKey key) {
    switch (key.getKeyType()) {
    case STRING://w  w w  . j  a  v  a 2s . c o  m
        byte[] keyBytes = key.getStringKeyInBytes();
        buf.putInt(keyBytes.length).put(keyBytes);
        break;
    case LONG:
        buf.putLong(key.getLongKey());
        break;
    case SCHEMA:
        key.getSchemaKey().encode(buf);
        break;
    default:
        throw new UnsupportedOperationException("Unimplemented key type:" + key.getKeyType());
    }
}

From source file:org.apache.cassandra.db.marshal.TypeCompareTest.java

License:asdf

@Test
public void testTimeUUID() {
    // two different UUIDs w/ the same timestamp
    UUID uuid1 = UUID.fromString("1077e700-c7f2-11de-86d5-f5bcc793a028");
    byte[] bytes1 = new byte[16];
    ByteBuffer bb1 = ByteBuffer.wrap(bytes1);
    bb1.putLong(uuid1.getMostSignificantBits());
    bb1.putLong(uuid1.getLeastSignificantBits());

    UUID uuid2 = UUID.fromString("1077e700-c7f2-11de-982e-6fad363d5f29");
    byte[] bytes2 = new byte[16];
    ByteBuffer bb2 = ByteBuffer.wrap(bytes2);
    bb2.putLong(uuid2.getMostSignificantBits());
    bb2.putLong(uuid2.getLeastSignificantBits());

    assert new TimeUUIDType().compare(bytes1, bytes2) != 0;
}

From source file:edu.tsinghua.lumaqq.qq.packets.out._05.RequestAgentPacket.java

@Override
protected void putBody(ByteBuffer buf) {
    buf.putLong(0x0100000000000000L);
    buf.putInt(0);/*  w w w. j  a va2 s.  c  o m*/
    buf.putChar((char) user.getFileAgentToken().length);
    buf.put(user.getFileAgentToken());

    buf.put((byte) 0x04);
    buf.put((byte) 0x4C);
    buf.putInt(clusterId);
    buf.putInt(imageLength);
    buf.put(md5);
    buf.put(md5(fileName.getBytes()));
    buf.putChar((char) 0);
}

From source file:org.gtri.totp.java

/** getCode
  *   Calculates the code for the provided time and shared secret.
  *///w  w w . j a v  a2 s.co m
public int getCode(String sharedSecret, long time) throws NoSuchAlgorithmException, InvalidKeyException {
    byte[] secret = new Base32().decode(sharedSecret);
    SecretKeySpec signKey = new SecretKeySpec(secret, "HmacSHA1");
    ByteBuffer buffer = ByteBuffer.allocate(8);
    buffer.putLong(time);
    byte[] timeBytes = buffer.array();
    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(signKey);
    byte[] hash = mac.doFinal(timeBytes);
    int offset = hash[19] & 0xf;
    long truncatedHash = hash[offset] & 0x7f;
    for (int i = 1; i < 4; i++) {
        truncatedHash <<= 8;
        truncatedHash |= hash[offset + i] & 0xff;
    }
    return (int) (truncatedHash %= 1000000);
}

From source file:com.delphix.session.service.ServiceUUID.java

@Override
public byte[] getBytes() {
    ByteBuffer buffer = ByteBuffer.wrap(new byte[16]);

    buffer.putLong(uuid.getMostSignificantBits());
    buffer.putLong(uuid.getLeastSignificantBits());

    return buffer.array();
}

From source file:gobblin.writer.SimpleDataWriter.java

/**
 * Write a source record to the staging file
 *
 * @param record data record to write/*from  w w  w . ja  va 2 s  .  c o  m*/
 * @throws java.io.IOException if there is anything wrong writing the record
 */
@Override
public void write(byte[] record) throws IOException {
    Preconditions.checkNotNull(record);

    byte[] toWrite = record;
    if (this.recordDelimiter.isPresent()) {
        toWrite = Arrays.copyOf(record, record.length + 1);
        toWrite[toWrite.length - 1] = this.recordDelimiter.get();
    }
    if (this.prependSize) {
        long recordSize = toWrite.length;
        ByteBuffer buf = ByteBuffer.allocate(Longs.BYTES);
        buf.putLong(recordSize);
        toWrite = ArrayUtils.addAll(buf.array(), toWrite);
    }
    this.stagingFileOutputStream.write(toWrite);
    this.bytesWritten += toWrite.length;
    this.recordsWritten++;
}

From source file:org.apache.hadoop.hdfs.hoss.db.HotStore.java

/**
 * //from   w  ww. ja  v  a  2s .  c  om
 * @param objId
 * @param createTime
 * @param lastTime
 * @param size  object size(unit:MB)
 * @return
 */
public boolean put(long objId, long createTime, long lastTime, long size) {
    final WriteBuffer wbuf = fbs.set((int) objId);
    final ByteBuffer buf = wbuf.buf();
    // create time
    buf.putLong(createTime);
    // last access time
    buf.putLong(lastTime);
    long sizeMB = size < 0 ? -1 : convertMB(size);
    // object size(unit:MB)
    buf.putLong(sizeMB);
    buf.flip();
    boolean ret = wbuf.save();
    return ret;
}

From source file:com.github.sebhoss.identifier.service.SuppliedIdentifiers.java

private String convertUuidToBase64(final UUID uuid) {
    final ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
    bb.putLong(uuid.getMostSignificantBits());
    bb.putLong(uuid.getLeastSignificantBits());
    return removePadding(encoder.encodeToString(bb.array()));
}