Example usage for java.lang Integer BYTES

Introduction

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

Prototype

int BYTES

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

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Document

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

Usage

From source file:edu.umass.cs.gigapaxos.paxospackets.RequestPacket.java

static int sizeof(Class<?> clazz) {
    switch (clazz.getSimpleName()) {
    case "int":
        return Integer.BYTES;
    case "long":
        return Long.BYTES;
    case "boolean":
        return 1;
    case "short":
        return Short.BYTES;
    case "InetSocketAddress":
        return Integer.BYTES + Short.BYTES;
    }//from   w  w  w.j a  v  a2  s. c  o m
    assert (false) : clazz;
    return -1;
}

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

public void writLogEntryPosition(LogWriteEntry lwe, int position, OutputStream idxOut) throws IOException {
    ByteBuffer ibb = ByteBuffer.wrap(new byte[Integer.BYTES]);
    ByteBuffer lbb = ByteBuffer.wrap(new byte[Long.BYTES]);
    lbb.putLong(lwe.getTimestamp());//ww  w  .  ja va  2 s. c  om
    idxOut.write(lbb.array());
    ibb.putInt(position);
    idxOut.write(ibb.array());
    idxOut.flush();
}

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From source file:org.cryptomator.crypto.aes256.Aes256CryptorTest.java

License:asdf

@Test
public void testPartialDecryption()
        throws IOException, DecryptFailedException, WrongPasswordException, UnsupportedKeyLengthException {
    // our test plaintext data:
    final byte[] plaintextData = new byte[65536 * Integer.BYTES];
    final ByteBuffer bbIn = ByteBuffer.wrap(plaintextData);
    for (int i = 0; i < 65536; i++) {
        bbIn.putInt(i);//w w w. ja va 2 s.  c om
    }
    final InputStream plaintextIn = new ByteArrayInputStream(plaintextData);

    // init cryptor:
    final Aes256Cryptor cryptor = new Aes256Cryptor(TEST_PRNG);

    // encrypt:
    final ByteBuffer encryptedData = ByteBuffer.allocate((int) (64 + plaintextData.length * 1.2));
    final SeekableByteChannel encryptedOut = new ByteBufferBackedSeekableChannel(encryptedData);
    cryptor.encryptFile(plaintextIn, encryptedOut);
    IOUtils.closeQuietly(plaintextIn);
    IOUtils.closeQuietly(encryptedOut);

    encryptedData.position(0);

    // decrypt:
    final SeekableByteChannel encryptedIn = new ByteBufferBackedSeekableChannel(encryptedData);
    final ByteArrayOutputStream plaintextOut = new ByteArrayOutputStream();
    final Long numDecryptedBytes = cryptor.decryptRange(encryptedIn, plaintextOut, 25000 * Integer.BYTES,
            30000 * Integer.BYTES);
    IOUtils.closeQuietly(encryptedIn);
    IOUtils.closeQuietly(plaintextOut);
    Assert.assertTrue(numDecryptedBytes > 0);

    // check decrypted data:
    final byte[] result = plaintextOut.toByteArray();
    final byte[] expected = Arrays.copyOfRange(plaintextData, 25000 * Integer.BYTES, 55000 * Integer.BYTES);
    Assert.assertArrayEquals(expected, result);
}

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From source file:org.apache.druid.query.aggregation.histogram.ApproximateHistogramAggregatorFactory.java

@Override
public byte[] getCacheKey() {
    byte[] fieldNameBytes = StringUtils.toUtf8(fieldName);
    return ByteBuffer.allocate(1 + fieldNameBytes.length + Integer.BYTES * 2 + Float.BYTES * 2)
            .put(AggregatorUtil.APPROX_HIST_CACHE_TYPE_ID).put(fieldNameBytes).putInt(resolution)
            .putInt(numBuckets).putFloat(lowerLimit).putFloat(upperLimit).array();
}

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From source file:org.gradoop.flink.model.impl.operators.matching.single.cypher.pojos.Embedding.java

/**
 * Adds the list of properties to the embedding
 *
 * @param properties new properties//from  w w w .  jav a 2  s .  co  m
 */
public void addPropertyValues(PropertyValue... properties) {
    int newPropertiesSize = propertyData.length;
    for (PropertyValue property : properties) {
        newPropertiesSize += property.getByteSize() + Integer.BYTES;
    }

    byte[] newPropertyData = new byte[newPropertiesSize];

    System.arraycopy(propertyData, 0, newPropertyData, 0, propertyData.length);

    int offset = propertyData.length;
    for (PropertyValue property : properties) {
        writeProperty(property, newPropertyData, offset);
        offset += property.getByteSize() + Integer.BYTES;
    }

    this.propertyData = newPropertyData;
}

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From source file:org.gradoop.flink.model.impl.operators.matching.single.cypher.pojos.Embedding.java

/**
 * Returns the property stored at the specified column
 * @param column the properties index in the property list
 * @return the property stored at the specified index
 *//*from  w w w.  j  a  v  a 2s . co m*/
public PropertyValue getProperty(int column) {
    int offset = getPropertyOffset(column);

    int entryLength = Ints.fromByteArray(ArrayUtils.subarray(propertyData, offset, offset + Integer.BYTES));

    offset += Integer.BYTES;

    return PropertyValue.fromRawBytes(ArrayUtils.subarray(propertyData, offset, offset + entryLength));
}

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From source file:com.github.ambry.utils.UtilsTest.java

@Test
public void testGetIntStringLength() {
    for (int i = 0; i < 10; i++) {
        String value = getRandomString(1000 + TestUtils.RANDOM.nextInt(10000));
        assertEquals("Size mismatch ", Integer.BYTES + value.length(), Utils.getIntStringLength(value));
    }//from  w  ww  .j  a  v a2s  . c  o  m
    assertEquals("Size mismatch for empty string ", Integer.BYTES, Utils.getIntStringLength(""));
    assertEquals("Size mismatch for null string ", Integer.BYTES, Utils.getIntStringLength(null));
}

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From source file:org.gradoop.flink.model.impl.operators.matching.single.cypher.pojos.Embedding.java

/**
 * Returns the internal representation of the property stored at the specified column
 * @param column the properties index in the property list
 * @return Internal representation of the property stored at the specified column
 *//*from  ww  w  .  ja va 2 s . c  o m*/
public byte[] getRawProperty(int column) {
    int offset = getPropertyOffset(column);

    int entryLength = Ints.fromByteArray(ArrayUtils.subarray(propertyData, offset, offset + Integer.BYTES));

    return ArrayUtils.subarray(propertyData, offset, offset + Integer.BYTES + entryLength);
}

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From source file:org.gradoop.flink.model.impl.operators.matching.single.cypher.pojos.Embedding.java

/**
 * Returns a list of all property values stored in the embedding
 * @return List of all property values stored in the embedding
 *//*from w ww  .j a  va 2 s .co m*/
public List<PropertyValue> getProperties() {
    List<PropertyValue> properties = new ArrayList<>();
    int offset = 0;
    int entrySize;
    while (offset < propertyData.length) {
        entrySize = Ints.fromByteArray(ArrayUtils.subarray(propertyData, offset, offset + Integer.BYTES));

        offset += Integer.BYTES;

        properties
                .add(PropertyValue.fromRawBytes(ArrayUtils.subarray(propertyData, offset, offset + entrySize)));

        offset += entrySize;
    }

    return properties;
}

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From source file:org.gradoop.flink.model.impl.operators.matching.single.cypher.pojos.Embedding.java

/**
 * Returns the offset of the property in the propertyData array
 * @param column the index of the property
 * @return Offset of the property in the propertyData array
 *//*from ww  w . j av a2 s  .c  o  m*/
private int getPropertyOffset(int column) {
    int i = 0;
    int offset = 0;
    int entryLength;

    while (i < column && offset < propertyData.length) {
        entryLength = Ints.fromByteArray(ArrayUtils.subarray(propertyData, offset, offset + Integer.BYTES));

        offset += entryLength + Integer.BYTES;
        i++;
    }

    if (offset >= propertyData.length) {
        throw new IndexOutOfBoundsException("Cant find Property. " + (i - 1) + " < " + column);
    }

    return offset;
}

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