Examples of java.nio.ByteBuffer.arrayOffset()

java.nio.ByteBuffer.arrayOffset()
Returns the offset of the byte array which this buffer is based on, if there's one.
The offset is the index of the array corresponds to the zero position of the buffer.
@return The offset of the byte array which this buffer is based on @exception ReadOnlyBufferException If this buffer is based on a readonly array @exception UnsupportedOperationException If this buffer is not based on an array

        {
            ByteBuffer buf = _message.getContent(_offset, _length);


            if(buf.hasArray())
            {
                buffer.write(buf.array(), buf.arrayOffset()+buf.position(), buf.remaining());
            }
            else
            {


                byte[] data = new byte[_length];

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      while ((!topScanner.isSeeked() && topScanner.seekTo()) ||
             (topScanner.isSeeked() && topScanner.next())) {
        key = topScanner.getKey();


        if (topScanner.getReader().getComparator().compareFlatKey(key.array(),
          key.arrayOffset(), key.limit(), midkey, 0, midkey.length) < 0) {
          fail("key=" + Bytes.toStringBinary(key) + " < midkey=" +
              Bytes.toStringBinary(midkey));
        }
        if (first) {
          first = false;

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      topScanner = top.getScanner(false, false);
      while ((!topScanner.isSeeked() && topScanner.seekTo()) ||
          topScanner.next()) {
        key = topScanner.getKey();
        assertTrue(topScanner.getReader().getComparator().compareFlatKey(key.array(),
          key.arrayOffset(), key.limit(), badmidkey, 0, badmidkey.length) >= 0);
        if (first) {
          first = false;
          KeyValue keyKV = KeyValue.createKeyValueFromKey(key);
          LOG.info("First top when key < bottom: " + keyKV);
          String tmp = Bytes.toString(keyKV.getRow());

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    public T map(Object input) {
      ByteBuffer byteBuffer = BYTES_IN.map(input);
      T instance = ReflectionUtils.newInstance(writableClazz, null);
      try {
        instance.readFields(new DataInputStream(new ByteArrayInputStream(byteBuffer.array(),
            byteBuffer.arrayOffset(), byteBuffer.limit())));
      } catch (IOException e) {
        LOG.error("Exception thrown reading instance of: " + writableClazz, e);
      }
      return instance;
    }

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                    if (lastRow != null)
                    {
                        if (tuple.size() == 0) // lastRow is a new one
                        {
                            key = (ByteBuffer)reader.getCurrentKey();
                            tuple.append(new DataByteArray(key.array(), key.position()+key.arrayOffset(), key.limit()+key.arrayOffset()));
                        }
                        for (Map.Entry<ByteBuffer, IColumn> entry : lastRow.entrySet())
                        {
                            bag.add(columnToTuple(entry.getValue(), cfDef, parseType(cfDef.getComparator_type())));
                        }

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                    if (lastRow != null)
                    {
                        if (tuple.size() == 0) // lastRow is a new one
                        {
                            key = (ByteBuffer)reader.getCurrentKey();
                            tuple.append(new DataByteArray(key.array(), key.position()+key.arrayOffset(), key.limit()+key.arrayOffset()));
                        }
                        for (Map.Entry<ByteBuffer, IColumn> entry : lastRow.entrySet())
                        {
                            bag.add(columnToTuple(entry.getValue(), cfDef, parseType(cfDef.getComparator_type())));
                        }

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                    return tuple;
                }
                if (key == null) // only set the key on the first iteration
                {
                    key = (ByteBuffer)reader.getCurrentKey();
                    tuple.append(new DataByteArray(key.array(), key.position()+key.arrayOffset(), key.limit()+key.arrayOffset()));
                }
                SortedMap<ByteBuffer,IColumn> row = (SortedMap<ByteBuffer,IColumn>)reader.getCurrentValue();
                if (lastRow != null) // prepend what was read last time
                {
                    for (Map.Entry<ByteBuffer, IColumn> entry : lastRow.entrySet())

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                    return tuple;
                }
                if (key == null) // only set the key on the first iteration
                {
                    key = (ByteBuffer)reader.getCurrentKey();
                    tuple.append(new DataByteArray(key.array(), key.position()+key.arrayOffset(), key.limit()+key.arrayOffset()));
                }
                SortedMap<ByteBuffer,IColumn> row = (SortedMap<ByteBuffer,IColumn>)reader.getCurrentValue();
                if (lastRow != null) // prepend what was read last time
                {
                    for (Map.Entry<ByteBuffer, IColumn> entry : lastRow.entrySet())

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            assert key != null && cf != null;
            
            // and wrap it in a tuple
            Tuple tuple = TupleFactory.getInstance().newTuple(2);
            ArrayList<Tuple> columns = new ArrayList<Tuple>();
            tuple.set(0, new DataByteArray(key.array(), key.position()+key.arrayOffset(), key.limit()+key.arrayOffset()));
            for (Map.Entry<ByteBuffer, IColumn> entry : cf.entrySet())
            {
                columns.add(columnToTuple(entry.getKey(), entry.getValue(), cfDef));
            }

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            assert key != null && cf != null;
            
            // and wrap it in a tuple
            Tuple tuple = TupleFactory.getInstance().newTuple(2);
            ArrayList<Tuple> columns = new ArrayList<Tuple>();
            tuple.set(0, new DataByteArray(key.array(), key.position()+key.arrayOffset(), key.limit()+key.arrayOffset()));
            for (Map.Entry<ByteBuffer, IColumn> entry : cf.entrySet())
            {
                columns.add(columnToTuple(entry.getKey(), entry.getValue(), cfDef));
            }

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