Example usage for java.lang Long BYTES

Introduction

In this page you can find the example usage for java.lang Long BYTES.

Prototype

int BYTES

To view the source code for java.lang Long BYTES.

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Document

The number of bytes used to represent a long value in two's complement binary form.

Usage

From source file:io.datenwelt.cargo.rest.utils.Strings.java

public static String token() {
    ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES * 100);
    for (int i = 0; i < 100; i++) {
        buffer.putLong(random.nextLong());
    }//ww  w  .ja  v  a2s .c  o m
    return DigestUtils.md5Hex(buffer.array());
}

From source file:io.pravega.controller.store.stream.tables.IndexRecord.java

private static IndexRecord parse(final byte[] bytes, int offset) {
    final long eventTime = BitConverter.readLong(bytes, offset);
    final int historyOffset = BitConverter.readInt(bytes, offset + Long.BYTES);
    return new IndexRecord(eventTime, historyOffset);
}

From source file:org.apache.james.mailbox.backup.LongExtraField.java

@Override
public ZipShort getLocalFileDataLength() {
    return new ZipShort(Long.BYTES);
}

From source file:org.apache.james.mailbox.backup.LongExtraField.java

@Override
public byte[] getLocalFileDataData() {
    long value = this.value.orElseThrow(() -> new RuntimeException("Value must by initialized"));
    return ByteBuffer.allocate(Long.BYTES).order(ByteOrder.LITTLE_ENDIAN).putLong(value).array();
}

From source file:org.apache.james.mailbox.backup.LongExtraField.java

@Override
public void parseFromLocalFileData(byte[] buffer, int offset, int length) throws ZipException {
    if (length != Long.BYTES) {
        throw new ZipException(
                "Unexpected data length for ExtraField. Expected " + Long.BYTES + " but got " + length + ".");
    }//from  w  w w .  jav a2 s.c o  m
    value = Optional.of(ByteBuffer.wrap(buffer, offset, Long.BYTES).order(ByteOrder.LITTLE_ENDIAN).getLong());
}

From source file:com.px100systems.util.serialization.DataStream.java

public void writeLong(Long data) {
    try {/*from w w w .ja  v  a2 s .  com*/
        if (data == null)
            dos.writeInt(NULL);
        else {
            dos.writeInt(Long.BYTES);
            dos.writeLong(data);
        }
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:nl.salp.warcraft4j.util.DataTypeUtil.java

/**
 * Create a fixed-size 64-bit (8 byte) byte[] from an int value using a byte order.
 *
 * @param value     The value./*from  w w  w . j a v a  2  s . c om*/
 * @param byteOrder The byte order, using {@code ByteOrder#BIG_ENDIAN} when the byte order is {@code null}.
 *
 * @return The byte[].
 */
public static byte[] toByteArray(long value, ByteOrder byteOrder) {
    byte[] longArray = new byte[Long.BYTES];
    ByteBuffer.wrap(longArray).order(Optional.ofNullable(byteOrder).orElse(ByteOrder.BIG_ENDIAN))
            .putLong(value);
    return longArray;
}

From source file:org.onlab.util.ImmutableByteSequence.java

/**
 * Creates a new byte sequence of 8 bytes containing the given long value.
 *
 * @param original a long value//from   w  w w  .j a va  2  s.co m
 * @return a new immutable byte sequence
 */
public static ImmutableByteSequence copyFrom(long original) {
    return new ImmutableByteSequence(ByteBuffer.allocate(Long.BYTES).putLong(original));
}

From source file:de.micromata.genome.logging.spi.ifiles.IndexHeader.java

public void writeFileHeader(OutputStream os, File indexFile, IndexDirectory indexDirectory) throws IOException {
    indexDirectoryIdx = indexDirectory.createNewLogIdxFile(indexFile);
    ByteBuffer lbb = ByteBuffer.wrap(new byte[Long.BYTES]);
    ByteBuffer ibb = ByteBuffer.wrap(new byte[Integer.BYTES]);
    os.write(INDEX_FILE_TYPE);//from  w ww .j a  v  a  2 s  .  c  o m
    os.write(INDEX_FILE_VERSION);
    lbb.putLong(0, System.currentTimeMillis());
    os.write(lbb.array());
    ibb.putInt(0, indexDirectoryIdx);
    os.write(ibb.array());
    ByteArrayOutputStream bout = new ByteArrayOutputStream();
    for (Pair<String, Integer> headerp : headerOrder) {
        String hn = StringUtils.rightPad(headerp.getFirst(), HEADER_NAME_LENGTH);
        bout.write(hn.getBytes());
        ibb.putInt(0, headerp.getSecond());
        bout.write(ibb.array());
    }
    byte[] headerar = bout.toByteArray();
    int idxOffset = FILE_TYPE_LENGTH + FILE_VERSION_LENGTH + Long.BYTES /* timestamp */
            + Integer.BYTES /** indexDirectory */
            + Integer.BYTES /* indexOfset */
            + headerar.length;
    ibb.putInt(0, idxOffset);
    os.write(ibb.array());
    os.write(headerar);
    os.flush();
}

From source file:io.pravega.controller.store.stream.tables.IndexRecord.java

public byte[] toByteArray() {
    byte[] b = new byte[INDEX_RECORD_SIZE];
    BitConverter.writeLong(b, 0, eventTime);
    BitConverter.writeInt(b, Long.BYTES, historyOffset);

    return b;//www  . ja va2s .  c  o m
}