/**
* Returns the input type for the {@code FieldMetaType} that this is...
* @param input
* @param enc
* @return
*/
public T DecodeType <T>(FieldMetaType type, string input, IEncoder enc)
{
switch (type)
{
case FieldMetaType.List:
case FieldMetaType.String: return(ChangeType <T>(input));
case FieldMetaType.DateTime: return(ChangeType <T>(((DateEncoder)enc).Parse(input)));
case FieldMetaType.Boolean: return(ChangeType <T>(bool.Parse(input) == true ? 1 : 0));
case FieldMetaType.Coord:
case FieldMetaType.Geo:
{
string[] parts = input.Split(';'); // [\\s]*\\;[\\s]*
return(ChangeType <T>(new Tuple(double.Parse(parts[0], NumberFormatInfo.InvariantInfo), double.Parse(parts[1], NumberFormatInfo.InvariantInfo), double.Parse(parts[2], NumberFormatInfo.InvariantInfo))));
}
case FieldMetaType.Integer:
case FieldMetaType.Float: return(ChangeType <T>(double.Parse(input, NumberFormatInfo.InvariantInfo))); //return ChangeType<T>(input);
case FieldMetaType.SparseArray:
case FieldMetaType.DenseArray:
{
return(ChangeType <T>(input.Replace("[", "").Replace("]", "") // [\\s]*\\;[\\s]*
.Split(',').Select(s => Convert.ToInt32(s)).ToArray()));
}
default: return(default(T));
}
}
public object Get <TDecode>(string key)
{
int idx = _parent.indexFieldMap[key];
FieldMetaType fmt = fTypes[idx];
FieldMetaTypeHelper helper = new FieldMetaTypeHelper(key);
return(helper.DecodeType <TDecode>(fmt, arr[idx + 1], _parent.indexToEncoderMap[idx]));
}
/**
* Returns the {@link Encoder} matching this field type.
* @return
*/
public IEncoder NewEncoder(FieldMetaType type)
{
switch (type)
{
case FieldMetaType.List:
case FieldMetaType.String: return(SDRCategoryEncoder.GetBuilder().Build());
case FieldMetaType.DateTime: return(DateEncoder.GetBuilder().Build());
case FieldMetaType.Boolean: return(ScalarEncoder.GetBuilder().Build());
case FieldMetaType.Coord: return(CoordinateEncoder.GetBuilder().Build());
case FieldMetaType.Geo: return(GeospatialCoordinateEncoder.GetGeobuilder().Build());
case FieldMetaType.Integer:
case FieldMetaType.Float: return(RandomDistributedScalarEncoder.GetBuilder().Build());
case FieldMetaType.DenseArray:
case FieldMetaType.SparseArray: return(SDRPassThroughEncoder.GetSptBuilder().Build());
default: return(null);
}
}
