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.drill.exec.store.parquet.decimal.Int64DecimalParquetValueWriter.java

@Override
public void writeValue(RecordConsumer consumer, DrillBuf buffer, int start, int end, int precision) {
    byte[] output;
    int startPos;
    int length = end - start;
    startPos = Longs.BYTES - length;
    output = new byte[Longs.BYTES];
    if (startPos > 0) {
        buffer.getBytes(start, output, startPos, length);
        if (output[startPos] < 0) {
            Arrays.fill(output, 0, output.length - length, (byte) -1);
        }// w w  w .j av  a 2s  .c o m
    } else {
        // in this case value from FIXED_LEN_BYTE_ARRAY or BINARY field was taken, ignore leading bytes
        buffer.getBytes(start - startPos, output, 0, length + startPos);
    }
    consumer.addLong(Longs.fromByteArray(output));
}

From source file:com.metamx.druid.aggregation.HistogramBufferAggregator.java

public HistogramBufferAggregator(FloatMetricSelector selector, float[] breaks) {
    this.selector = selector;
    this.breaks = breaks;
    this.minOffset = Longs.BYTES * (breaks.length + 1);
    this.maxOffset = this.minOffset + Floats.BYTES;
}

From source file:com.palantir.atlasdb.keyvalue.impl.ProfilingKeyValueService.java

private static <T> long byteSize(Map<Cell, T> values) {
    long sizeInBytes = 0;
    for (Entry<Cell, T> valueEntry : values.entrySet()) {
        sizeInBytes += Cells.getApproxSizeOfCell(valueEntry.getKey());
        T value = valueEntry.getValue();
        if (value instanceof byte[]) {
            sizeInBytes += ((byte[]) value).length;
        } else if (value instanceof Long) {
            sizeInBytes += Longs.BYTES;
        }//from w  w w .j av  a 2  s  .c  o  m
    }
    return sizeInBytes;
}

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

@Override
public void init(ByteBuffer buf, int position) {
    buf.putLong(position, Long.MIN_VALUE);
    buf.putLong(position + Longs.BYTES, 0);
}

From source file:co.cask.cdap.api.dataset.lib.PartitionConsumerState.java

public static PartitionConsumerState fromBytes(byte[] bytes) {
    Preconditions.checkArgument((bytes.length - 1) % Longs.BYTES == 0,
            "bytes does not have length divisible by Longs.BYTES");
    ByteBuffer bb = ByteBuffer.wrap(bytes);
    byte serializationFormatVersion = bb.get();
    Preconditions.checkArgument(serializationFormatVersion == 0, "Unsupported serialization format: {}",
            serializationFormatVersion);
    long startVersion = bb.getLong();
    List<Long> versionsToCheck = Lists.newArrayList();
    while (bb.hasRemaining()) {
        versionsToCheck.add(bb.getLong());
    }/*from   www  .ja  v  a 2  s  .com*/
    return new PartitionConsumerState(startVersion, versionsToCheck);
}

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

@Override
public int getNumBytes(int values) {
    return values * Longs.BYTES;
}

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

@Override
public void init(ByteBuffer buf, int position) {
    buf.putLong(position, Long.MIN_VALUE);
    buf.putDouble(position + Longs.BYTES, 0);
}

From source file:io.druid.query.aggregation.first.DoubleFirstBufferAggregator.java

@Override
public void init(ByteBuffer buf, int position) {
    buf.putLong(position, Long.MAX_VALUE);
    buf.putDouble(position + Longs.BYTES, 0);
}

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

@Override
protected void encode(ChannelHandlerContext ctx, RPCMessage in, List<Object> out) throws Exception {
    RPCRequest.Type type = in.getType();

    long bodyBytes = 0;
    DataBuffer payload = null;/*from   w  w  w .ja  v  a 2s .  c o m*/

    if (in.hasPayload()) {
        payload = in.getPayloadDataBuffer();
        bodyBytes = payload.getLength();
    }

    int lengthBytes = Longs.BYTES;
    int typeBytes = type.getEncodedLength();
    int messageBytes = in.getEncodedLength();

    int headerBytes = lengthBytes + typeBytes + messageBytes;
    long frameBytes = headerBytes + bodyBytes;

    // Write the header info into a buffer.
    // The format is: [frame length][message type][message][(optional) data]
    ByteBuf buffer = ctx.alloc().buffer();
    buffer.writeLong(frameBytes);
    type.encode(buffer);
    in.encode(buffer);

    // Output the header buffer.
    out.add(buffer);

    if (payload != null && bodyBytes > 0) {
        Object output = payload.getNettyOutput();
        Preconditions.checkArgument(output instanceof ByteBuf || output instanceof FileRegion,
                "The payload must be a ByteBuf or a FileRegion.");
        out.add(output);
    }
}

From source file:io.druid.query.aggregation.first.LongFirstBufferAggregator.java

@Override
public void init(ByteBuffer buf, int position) {
    buf.putLong(position, Long.MAX_VALUE);
    buf.putLong(position + Longs.BYTES, 0);
}