public TokenStream GetTokenStream(Analyzer analyzer)
{
if (!((FieldType)FieldType()).Indexed)
{
return(null);
}
Number n = new Number();
FieldType.NumericType?numericType = ((FieldType)FieldType()).NumericTypeValue;
if (numericType != null)
{
if (!(InternalTokenStream is NumericTokenStream))
{
// lazy init the TokenStream as it is heavy to instantiate
// (attributes,...) if not needed (stored field loading)
InternalTokenStream = new NumericTokenStream(Type.NumericPrecisionStep);
}
NumericTokenStream nts = (NumericTokenStream)InternalTokenStream;
// initialize value in TokenStream
object val = FieldsData;
switch (numericType)
{
case Documents.FieldType.NumericType.INT:
nts.SetIntValue(Convert.ToInt32(val));
break;
case Documents.FieldType.NumericType.LONG:
nts.SetLongValue(Convert.ToInt64(val));
break;
case Documents.FieldType.NumericType.FLOAT:
nts.SetFloatValue(Convert.ToSingle(val));
break;
case Documents.FieldType.NumericType.DOUBLE:
nts.SetDoubleValue(Convert.ToDouble(val));
break;
default:
throw new Exception("Should never get here");
}
return(InternalTokenStream);
}
if (!((FieldType)FieldType()).Tokenized)
{
if (StringValue == null)
{
throw new System.ArgumentException("Non-Tokenized Fields must have a String value");
}
if (!(InternalTokenStream is StringTokenStream))
{
// lazy init the TokenStream as it is heavy to instantiate
// (attributes,...) if not needed (stored field loading)
InternalTokenStream = new StringTokenStream();
}
((StringTokenStream)InternalTokenStream).Value = StringValue;
return(InternalTokenStream);
}
if (TokenStream_Renamed != null)
{
return(TokenStream_Renamed);
}
else if (ReaderValue != null)
{
return(analyzer.TokenStream(Name(), ReaderValue));
}
else if (StringValue != null)
{
TextReader sr = new StringReader(StringValue);
return(analyzer.TokenStream(Name(), sr));
}
throw new System.ArgumentException("Field must have either TokenStream, String, Reader or Number value; got " + this);
}
/// <summary> Initializes the field with the supplied <c>double</c> value.</summary>
/// <param name="value_Renamed">the numeric value
/// </param>
/// <returns> this instance, because of this you can use it the following way:
/// <c>document.add(new NumericField(name, precisionStep).setDoubleValue(value))</c>
/// </returns>
public NumericField SetDoubleValue(double value_Renamed)
{
tokenStream.SetDoubleValue(value_Renamed);
fieldsData = value_Renamed;
return(this);
}