@Override
public void write(DataOutput output) throws IOException {
WritableUtils.writeVInt(
output, (byteValue.length + 1) * (this.determinism == Determinism.ALWAYS ? 1 : -1));
output.write(byteValue);
// since we need to support clients of a lower version, serialize the determinism enum ordinal
// in the int used to
// serialize sort order system value (which is either 1 or 2)
int sortOrderAndDeterminism =
((this.determinism.ordinal() + 1) << 2) + sortOrder.getSystemValue();
WritableUtils.writeVInt(output, sortOrderAndDeterminism);
WritableUtils.writeVInt(output, this.type == null ? -1 : this.type.ordinal());
}
@Override
public void write(DataOutput output) throws IOException {
// read/write type ordinal, maxLength presence, scale presence and isNullable bit together to
// save space
int typeAndFlag =
(isNullable ? 1 : 0)
| ((scale != null ? 1 : 0) << 1)
| ((maxLength != null ? 1 : 0) << 2)
| (type.ordinal() << 3);
WritableUtils.writeVInt(output, typeAndFlag);
if (scale != null) {
WritableUtils.writeVInt(output, scale);
}
if (maxLength != null) {
WritableUtils.writeVInt(output, maxLength);
}
WritableUtils.writeVInt(output, sortOrder.getSystemValue());
}
