@Override
    public Ordering getOrdering() {
        return Ordering.RETAIN;
    }
Maps between {@code Integer} and {@code byte} values by simply casting to
lower precision.

@author Emil Forslund
@since  3.0.2
runtime-parent/runtime-typemapper/src/main/java/com/speedment/runtime/typemapper/integer/PrimitiveIntegerToByteMapper.java