Boolean IsFieldExists(String name, DataType dataType, out FieldMetadata fm)
{
fm = null;
if (_fields.TryGetValue(name, out IDataFieldMetadata ifm))
{
fm = ifm as FieldMetadata;
if (fm.DataType != dataType)
{
throw new DataLoaderException($"Invalid property '{name}'. Type mismatch.");
}
return(true);
}
return(false);
}
public FieldMetadata AddField(FieldInfo field, DataType type, Int32 fieldLen = 0)
{
if (!field.IsVisible)
{
return(null);
}
if (IsFieldExists(field.PropertyName, type, out FieldMetadata fm))
{
return(fm);
}
fm = new FieldMetadata(field, type, fieldLen);
_fields.Add(field.PropertyName, fm);
switch (field.SpecType)
{
case SpecType.Id:
Id = field.PropertyName;
break;
case SpecType.Key:
Key = field.PropertyName;
break;
case SpecType.Name:
Name = field.PropertyName;
break;
case SpecType.RowNumber:
RowNumber = field.PropertyName;
break;
case SpecType.RowCount:
IsRowCount = true;
break;
case SpecType.HasChildren:
HasChildren = field.PropertyName;
break;
case SpecType.Permissions:
Permissions = field.PropertyName;
break;
case SpecType.Items:
Items = field.PropertyName;
break;
}
return(fm);
}