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

Introduction

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

Prototype

int BYTES

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Document

The number of bytes required to represent a primitive long value.

Usage

From source file:org.apache.kudu.Type.java

/**
 * Gives the size in bytes for a given DataType, as per the pb specification
 * @param type pb type/*from   w w  w . j  av  a2  s. c om*/
 * @return size in bytes
 */
static int getTypeSize(DataType type) {
    switch (type) {
    case STRING:
    case BINARY:
        return 8 + 8; // offset then string length
    case BOOL:
    case INT8:
        return 1;
    case INT16:
        return Shorts.BYTES;
    case INT32:
    case FLOAT:
        return Ints.BYTES;
    case INT64:
    case DOUBLE:
    case UNIXTIME_MICROS:
        return Longs.BYTES;
    default:
        throw new IllegalArgumentException("The provided data type doesn't map" + " to know any known one.");
    }
}

From source file:io.druid.query.aggregation.last.DoubleLastBufferAggregator.java

@Override
public long getLong(ByteBuffer buf, int position) {
    return (long) buf.getDouble(position + Longs.BYTES);
}

From source file:alluxio.network.protocol.RPCBlockReadRequest.java

@Override
public int getEncodedLength() {
    // 5 longs (mBLockId, mOffset, mLength, mLockId, mSessionId)
    return Longs.BYTES * 5;
}

From source file:io.druid.segment.data.LongsLongEncodingWriter.java

@Override
public int getBlockSize(int bytesPerBlock) {
    return bytesPerBlock / Longs.BYTES;
}

From source file:alluxio.network.protocol.RPCUnderFileSystemBlockReadRequest.java

@Override
public int getEncodedLength() {
    // 4 longs (mBLockId, mOffset, mLength, mSessionId) and 1 boolean (boolean takes 1 byte in
    // netty)./*from w w  w .  j  av a  2 s.  c  om*/
    return Longs.BYTES * 4 + 1;
}

From source file:co.cask.cdap.data2.transaction.queue.coprocessor.hbase94.DequeueFilter.java

@Override
public boolean filterRowKey(byte[] buffer, int offset, int length) {
    // last 4 bytes in a row key
    counter = Bytes.toInt(buffer, offset + length - 4, Ints.BYTES);
    // row key is queue_name + writePointer + counter
    writePointer = Bytes.toLong(buffer, offset + queueNamePrefixLength, Longs.BYTES);

    // If writes later than the reader pointer, abort the loop, as entries that comes later are all uncommitted.
    // this is probably not needed due to the limit of the scan to the stop row, but to be safe...
    if (writePointer > transaction.getReadPointer()) {
        stopScan = true;/*from   ww  w .ja  v  a  2 s  .com*/
        return true;
    }

    // If the write is in the excluded list, ignore it.
    if (transaction.isExcluded(writePointer)) {
        return true;
    }

    return false;
}

From source file:co.cask.cdap.data2.transaction.queue.QueueEntryRow.java

/**
 * @param stateValue value of the state column
 * @return write pointer of the latest change of the state value
 *///from  w  w w  .  java 2  s  .c  o m
public static long getStateWritePointer(byte[] stateValue) {
    return Bytes.toLong(stateValue, 0, Longs.BYTES);
}

From source file:co.cask.cdap.data2.transaction.queue.coprocessor.hbase10cdh.DequeueFilter.java

@Override
public boolean filterRowKey(byte[] buffer, int offset, int length) {
    // last 4 bytes in a row key
    counter = Bytes.toInt(buffer, offset + length - Ints.BYTES, Ints.BYTES);
    // row key is queue_name + writePointer + counter
    writePointer = Bytes.toLong(buffer, offset + length - Longs.BYTES - Ints.BYTES, Longs.BYTES);

    // If writes later than the reader pointer, abort the loop, as entries that comes later are all uncommitted.
    // this is probably not needed due to the limit of the scan to the stop row, but to be safe...
    if (writePointer > transaction.getReadPointer()) {
        stopScan = true;//  w  w w  .j  av a2  s. c om
        return true;
    }

    // If the write is in the excluded list, ignore it.
    if (transaction.isExcluded(writePointer)) {
        return true;
    }

    return false;
}

From source file:io.druid.query.aggregation.CountAggregatorFactory.java

@Override
public int getMaxIntermediateSize() {
    return Longs.BYTES;
}

From source file:org.apache.hadoop.hdfs.util.BestEffortLongFile.java

private void lazyOpen() throws IOException {
    if (ch != null) {
        return;// w ww  .ja va  2 s .  c  o m
    }

    // Load current value.
    byte[] data = null;
    try {
        data = Files.toByteArray(file);
    } catch (FileNotFoundException fnfe) {
        // Expected - this will use default value.
    }

    if (data != null && data.length != 0) {
        if (data.length != Longs.BYTES) {
            throw new IOException("File " + file + " had invalid length: " + data.length);
        }
        value = Longs.fromByteArray(data);
    } else {
        value = defaultVal;
    }

    // Now open file for future writes.
    RandomAccessFile raf = new RandomAccessFile(file, "rw");
    try {
        ch = raf.getChannel();
    } finally {
        if (ch == null) {
            IOUtils.closeStream(raf);
        }
    }
}