/// <summary> /// Writes a single stored field. </summary> public abstract void WriteField(FieldInfo info, IndexableField field);
public override void WriteField(FieldInfo info, IndexableField field)
{
Debug.Assert(DocStatus == Status.STARTED);
@in.WriteField(info, field);
Debug.Assert(FieldCount > 0);
FieldCount--;
}
public override void WriteField(FieldInfo info, IndexableField field)
{
FieldsStream.WriteVInt(info.Number);
int bits = 0;
BytesRef bytes;
string @string;
// TODO: maybe a field should serialize itself?
// this way we don't bake into indexer all these
// specific encodings for different fields? and apps
// can customize...
object number = field.NumericValue;
if (number != null)
{
if (number is sbyte? || number is short? || number is int?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_INT;
}
else if (number is long?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_LONG;
}
else if (number is float?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_FLOAT;
}
else if (number is double?)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_NUMERIC_DOUBLE;
}
else
{
throw new System.ArgumentException("cannot store numeric type " + number.GetType());
}
@string = null;
bytes = null;
}
else
{
bytes = field.BinaryValue();
if (bytes != null)
{
bits |= Lucene3xStoredFieldsReader.FIELD_IS_BINARY;
@string = null;
}
else
{
@string = field.StringValue;
if (@string == null)
{
throw new System.ArgumentException("field " + field.Name() + " is stored but does not have binaryValue, stringValue nor numericValue");
}
}
}
FieldsStream.WriteByte((byte)(sbyte)bits);
if (bytes != null)
{
FieldsStream.WriteVInt(bytes.Length);
FieldsStream.WriteBytes(bytes.Bytes, bytes.Offset, bytes.Length);
}
else if (@string != null)
{
FieldsStream.WriteString(field.StringValue);
}
else
{
if (number is sbyte? || number is short? || number is int?)
{
FieldsStream.WriteInt((int)number);
}
else if (number is long?)
{
FieldsStream.WriteLong((long)number);
}
else if (number is float?)
{
FieldsStream.WriteInt(Number.FloatToIntBits((float)number));
}
else if (number is double?)
{
FieldsStream.WriteLong(BitConverter.DoubleToInt64Bits((double)number));
}
else
{
Debug.Assert(false);
}
}
}
