public BigDecimal read(Kryo kryo, Input input, Class<BigDecimal> type) {
BigInteger unscaledValue = bigIntegerSerializer.read(kryo, input, BigInteger.class);
if (unscaledValue == null) return null;
int scale = input.readInt(false);
if (type != BigDecimal.class && type != null) {
// For subclasses, use reflection
try {
Constructor<BigDecimal> constructor = type.getConstructor(BigInteger.class, int.class);
if (!constructor.isAccessible()) {
try {
constructor.setAccessible(true);
} catch (SecurityException se) {
}
}
return constructor.newInstance(unscaledValue, scale);
} catch (Exception ex) {
throw new KryoException(ex);
}
}
// fast-path optimizations for BigDecimal constants
if (unscaledValue == BigInteger.ZERO && scale == 0) {
return BigDecimal.ZERO;
}
// default behaviour
return new BigDecimal(unscaledValue, scale);
}
public void write(Kryo kryo, Output output, BigDecimal object) {
if (object == null) {
output.writeVarInt(NULL, true);
return;
}
BigDecimal value = (BigDecimal) object;
// fast-path optimizations for BigDecimal constants
if (value == BigDecimal.ZERO) {
bigIntegerSerializer.write(kryo, output, BigInteger.ZERO);
output.writeInt(0, false); // for backwards compatibility
return;
}
// default behaviour
bigIntegerSerializer.write(kryo, output, value.unscaledValue());
output.writeInt(value.scale(), false);
}
