@Override
public BytesRef indexedValueForSearch(Object value) {
int intValue = NumericUtils.floatToSortableInt(parseValue(value));
BytesRefBuilder bytesRef = new BytesRefBuilder();
NumericUtils.intToPrefixCoded(intValue, 0, bytesRef); // 0 because of exact match
return bytesRef.get();
}
private static byte[][] pack(Float value) {
if (value == null) {
// OK: open ended range
return new byte[1][];
}
byte[][] result = new byte[][] {new byte[RamUsageEstimator.NUM_BYTES_INT]};
NumericUtils.intToBytesDirect(NumericUtils.floatToSortableInt(value), result[0], 0);
return result;
}
@Override
public String readableToIndexed(String val) {
switch (type) {
case INTEGER:
return NumericUtils.intToPrefixCoded(Integer.parseInt(val));
case FLOAT:
return NumericUtils.intToPrefixCoded(
NumericUtils.floatToSortableInt(Float.parseFloat(val)));
case LONG:
return NumericUtils.longToPrefixCoded(Long.parseLong(val));
case DOUBLE:
return NumericUtils.longToPrefixCoded(
NumericUtils.doubleToSortableLong(Double.parseDouble(val)));
case DATE:
return NumericUtils.longToPrefixCoded(dateField.parseMath(null, val).getTime());
default:
throw new SolrException(
SolrException.ErrorCode.SERVER_ERROR, "Unknown type for trie field: " + type);
}
}
/**
* Initializes the token stream with the supplied <code>float</code> value.
*
* @param value the value, for which this TokenStream should enumerate tokens.
* @return this instance, because of this you can use it the following way: <code>
* new Field(name, new NumericTokenStream(precisionStep).setFloatValue(value))</code>
*/
public NumericTokenStream setFloatValue(final float value) {
numericAtt.init(
NumericUtils.floatToSortableInt(value), valSize = 32, precisionStep, -precisionStep);
return this;
}
/** {@inheritDoc} */
@Override
public Field sortedField(String name, Float value) {
int sortable = NumericUtils.floatToSortableInt(value);
return new NumericDocValuesField(name, sortable);
}
@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());
}
}
}