@Override
public void close() {
bitSet.close();
indexDataBuffer.close();
bitSet = null;
indexDataBuffer = null;
}
public FixedBitSingleValueMultiColWriter(
PinotDataBuffer dataBuffer,
int rows,
int cols,
int[] columnSizesInBits,
boolean[] hasNegativeValues)
throws Exception {
init(rows, cols, columnSizesInBits, hasNegativeValues);
this.indexDataBuffer = dataBuffer;
bitSet = PinotDataCustomBitSet.withDataBuffer(bytesRequired, indexDataBuffer);
}
public FixedBitSingleValueMultiColWriter(File file, int rows, int cols, int[] columnSizesInBits)
throws Exception {
init(rows, cols, columnSizesInBits);
this.indexDataBuffer =
PinotDataBuffer.fromFile(
file,
0,
bytesRequired,
ReadMode.mmap,
FileChannel.MapMode.READ_WRITE,
file.getAbsolutePath() + this.getClass().getCanonicalName());
bitSet = PinotDataCustomBitSet.withDataBuffer(bytesRequired, indexDataBuffer);
}
/**
* @param row
* @param col
* @param val
*/
public void setInt(int row, int col, int val) {
assert val >= minValues[col] && val <= maxValues[col];
long bitOffset = ((long) rowSizeInBits) * row + columnOffsetsInBits[col];
val = val + offsets[col];
bitSet.writeInt(bitOffset, colSizesInBits[col], val);
}