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.ignite.hadoop.io.TextPartiallyRawComparator.java

/**
 * Internal comparison routine.//  ww  w  .j a  va2s .  c o m
 *
 * @param buf1 Bytes 1.
 * @param len1 Length 1.
 * @param ptr2 Pointer 2.
 * @param len2 Length 2.
 * @return Result.
 */
@SuppressWarnings("SuspiciousNameCombination")
private static int compareBytes(byte[] buf1, int len1, long ptr2, int len2) {
    int minLength = Math.min(len1, len2);

    int minWords = minLength / Longs.BYTES;

    for (int i = 0; i < minWords * Longs.BYTES; i += Longs.BYTES) {
        long lw = GridUnsafe.getLong(buf1, GridUnsafe.BYTE_ARR_OFF + i);
        long rw = GridUnsafe.getLong(ptr2 + i);

        long diff = lw ^ rw;

        if (diff != 0) {
            if (GridUnsafe.BIG_ENDIAN)
                return (lw + Long.MIN_VALUE) < (rw + Long.MIN_VALUE) ? -1 : 1;

            // Use binary search
            int n = 0;
            int y;
            int x = (int) diff;

            if (x == 0) {
                x = (int) (diff >>> 32);

                n = 32;
            }

            y = x << 16;

            if (y == 0)
                n += 16;
            else
                x = y;

            y = x << 8;

            if (y == 0)
                n += 8;

            return (int) (((lw >>> n) & 0xFFL) - ((rw >>> n) & 0xFFL));
        }
    }

    // The epilogue to cover the last (minLength % 8) elements.
    for (int i = minWords * Longs.BYTES; i < minLength; i++) {
        int res = UnsignedBytes.compare(buf1[i], GridUnsafe.getByte(ptr2 + i));

        if (res != 0)
            return res;
    }

    return len1 - len2;
}

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From source file:tachyon.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  ww.ja  v  a  2  s. co 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);
    }

}

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From source file:com.metamx.druid.index.v1.CompressedLongBufferObjectStrategy.java

private CompressedLongBufferObjectStrategy(final ByteOrder order) {
    super(order, new BufferConverter<LongBuffer>() {
        @Override/*from   www  .j  ava  2  s .co m*/
        public LongBuffer convert(ByteBuffer buf) {
            return buf.asLongBuffer();
        }

        @Override
        public int compare(LongBuffer lhs, LongBuffer rhs) {
            return Ordering.natural().nullsFirst().compare(lhs, rhs);
        }

        @Override
        public int sizeOf(int count) {
            return count * Longs.BYTES;
        }

        @Override
        public LongBuffer combine(ByteBuffer into, LongBuffer from) {
            return into.asLongBuffer().put(from);
        }
    });
}

---

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

private CompressedLongBufferObjectStrategy(final ByteOrder order, final CompressionStrategy compression,
        final int sizePer) {
    super(order, new BufferConverter<LongBuffer>() {
        @Override//  w ww  .  j a va  2 s .  c o  m
        public LongBuffer convert(ByteBuffer buf) {
            return buf.asLongBuffer();
        }

        @Override
        public int compare(LongBuffer lhs, LongBuffer rhs) {
            return Ordering.natural().nullsFirst().compare(lhs, rhs);
        }

        @Override
        public int sizeOf(int count) {
            return count * Longs.BYTES;
        }

        @Override
        public LongBuffer combine(ByteBuffer into, LongBuffer from) {
            return into.asLongBuffer().put(from);
        }
    }, compression, sizePer);
}

---

From source file:edu.mit.streamjit.util.affinity.LinuxAffinityStrategy.java

@Override
public long getThreadAffinity() {
    Pointer<Long> pmask = null;
    try {/*from  w w w.  j a va  2 s  .  c o  m*/
        pmask = Pointer.allocateLong();
        int ret = sched_getaffinity(0, new SizeT(Longs.BYTES), pmask);
        if (ret != 0)
            throw new RuntimeException();
        return pmask.get();
    } finally {
        if (pmask != null)
            pmask.release();
    }
}

---

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

@Override
public void aggregate(ByteBuffer buf, int position) {
    long time = timeSelector.get();
    long lastTime = buf.getLong(position);
    if (time >= lastTime) {
        buf.putLong(position, time);/*from w  w w  .  j  a  va2  s. c o  m*/
        buf.putLong(position + Longs.BYTES, valueSelector.get());
    }
}

---

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

@Override
public void aggregate(ByteBuffer buf, int position) {
    long time = timeSelector.get();
    long lastTime = buf.getLong(position);
    if (time >= lastTime) {
        buf.putLong(position, time);/*from w ww. j  a  va2s .co m*/
        buf.putDouble(position + Longs.BYTES, valueSelector.get());
    }
}

---

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

@Override
public void aggregate(ByteBuffer buf, int position) {
    long time = timeSelector.get();
    long firstTime = buf.getLong(position);
    if (time < firstTime) {
        buf.putLong(position, time);/*  w  ww  . j  ava2 s  .  c  om*/
        buf.putDouble(position + Longs.BYTES, valueSelector.get());
    }
}

---

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

@Override
public void aggregate(ByteBuffer buf, int position) {
    long time = timeSelector.getLong();
    long firstTime = buf.getLong(position);
    if (time < firstTime) {
        buf.putLong(position, time);/*from  w w  w . j  ava 2  s .  c  o  m*/
        buf.putLong(position + Longs.BYTES, valueSelector.getLong());
    }
}

---

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

@Override
public int getEncodedLength() {
    // 3 longs (mBLockId, mOffset, mLength)
    return Longs.BYTES * 3;
}

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