public ScalarDataBuffer(ScalarReader reader, ScalarAccessor accessor, BufferFactory bufferFactory, int numRows)
{
this.reader = reader;
this.accessor = accessor;
this.buffer = bufferFactory.newBuffer(1 + numRows);
// Start with position 1 that the coordinate N cooresponds to row id N.
this.position = 1;
}
public VecDataBuffer(VecReader reader, int coordsPerElem, BufferFactory bufferFactory, int numRows,
int elementsPerRow)
{
int bufferLength = Math.Max(1, elementsPerRow);
BufferWrapper buffer = bufferFactory.newBuffer((1 + numRows) * coordsPerElem * bufferLength);
this.reader = reader;
this.buffer = new VecBufferSequence(new VecBuffer(coordsPerElem, buffer), 1 + numRows);
// Insert an empty coordinate so that the coordinate N cooresponds to row id N.
this.buffer.append(VecBuffer.emptyVecBuffer(coordsPerElem));
}