private String convertNumber(Number number) {
if (Integer.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (Double.class.isInstance(number)) {
return NumericUtils.doubleToPrefixCoded(number.doubleValue());
} else if (Long.class.isInstance(number)) {
return NumericUtils.longToPrefixCoded(number.longValue());
} else if (Float.class.isInstance(number)) {
return NumericUtils.floatToPrefixCoded(number.floatValue());
} else if (Byte.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (Short.class.isInstance(number)) {
return NumericUtils.intToPrefixCoded(number.intValue());
} else if (BigDecimal.class.isInstance(number)) {
return NumericUtils.doubleToPrefixCoded(number.doubleValue());
} else if (BigInteger.class.isInstance(number)) {
return NumericUtils.longToPrefixCoded(number.longValue());
} else {
throw new IllegalArgumentException("Unsupported numeric type " + number.getClass().getName());
}
}
@Override
public String storedToIndexed(Fieldable f) {
if (f instanceof NumericField) {
final Number val = ((NumericField) f).getNumericValue();
if (val == null)
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Invalid field contents: " + f.name());
switch (type) {
case INTEGER:
return NumericUtils.intToPrefixCoded(val.intValue());
case FLOAT:
return NumericUtils.intToPrefixCoded(NumericUtils.floatToSortableInt(val.floatValue()));
case LONG: // fallthrough!
case DATE:
return NumericUtils.longToPrefixCoded(val.longValue());
case DOUBLE:
return NumericUtils.longToPrefixCoded(
NumericUtils.doubleToSortableLong(val.doubleValue()));
default:
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Unknown type for trie field: " + f.name());
}
} else {
// the following code is "deprecated" and only to support pre-3.2 indexes using the old
// BinaryField encoding:
final byte[] arr = f.getBinaryValue();
if (arr == null)
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Invalid field contents: " + f.name());
switch (type) {
case INTEGER:
return NumericUtils.intToPrefixCoded(toInt(arr));
case FLOAT:
{
// WARNING: Code Duplication! Keep in sync with o.a.l.util.NumericUtils!
// copied from NumericUtils to not convert to/from float two times
// code in next 2 lines is identical to: int v =
// NumericUtils.floatToSortableInt(Float.intBitsToFloat(toInt(arr)));
int v = toInt(arr);
if (v < 0) v ^= 0x7fffffff;
return NumericUtils.intToPrefixCoded(v);
}
case LONG: // fallthrough!
case DATE:
return NumericUtils.longToPrefixCoded(toLong(arr));
case DOUBLE:
{
// WARNING: Code Duplication! Keep in sync with o.a.l.util.NumericUtils!
// copied from NumericUtils to not convert to/from double two times
// code in next 2 lines is identical to: long v =
// NumericUtils.doubleToSortableLong(Double.longBitsToDouble(toLong(arr)));
long v = toLong(arr);
if (v < 0) v ^= 0x7fffffffffffffffL;
return NumericUtils.longToPrefixCoded(v);
}
default:
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Unknown type for trie field: " + f.name());
}
}
}