public override bool Equals(DataViewTypeAttribute other)
{
if (other is AlienTypeAttributeAttribute)
{
return(RaceId == ((AlienTypeAttributeAttribute)other).RaceId);
}
return(false);
}
/// <summary>
/// Map types with the same key type and the same value type should be equal.
/// </summary>
public override bool Equals(DataViewTypeAttribute other)
{
if (other is OnnxMapTypeAttribute otherSequence)
{
return(_keyType.Equals(otherSequence._keyType) && _valueType.Equals(otherSequence._valueType));
}
return(false);
}
/// <summary>
/// Sequence types with the same element type should be equal.
/// </summary>
public override bool Equals(DataViewTypeAttribute other)
{
if (other is OnnxSequenceTypeAttribute otherSequence)
{
return(_elemType.Equals(otherSequence._elemType));
}
return(false);
}
/// <summary>
/// Images with the same width and height should equal.
/// </summary>
public override bool Equals(DataViewTypeAttribute other)
{
if (other is ImageTypeAttribute otherImage)
{
return(Height == otherImage.Height && Width == otherImage.Width);
}
return(false);
}
public static IEnumerable <TColumn> GetColumns <TColumn>(object obj, DataViewType viewType, Predicate <TColumn> columnFilter = null)
{
switch (obj)
{
case null:
return(Enumerable.Empty <TColumn>());
case DataTable dt:
if (columnFilter != null && !typeof(TColumn).Is <DataColumn>())
{
throw new ArgumentException($"Column filter must receive an argument of type '{nameof(DataColumn)}' or a type derived from it.");
}
return(DataColumns(dt));
default:
if (columnFilter != null && !typeof(TColumn).Is <PropertyInfo>())
{
throw new ArgumentException($"Column filter must receive an argument of type '{nameof(PropertyInfo)}' or a type derived from it.");
}
return(Properties());
}
IEnumerable <TColumn> DataColumns(DataTable dt)
{
IEnumerable <TColumn> columns = columnFilter == null
? dt.Columns.OfType <TColumn>()
: dt.Columns.OfType <TColumn>()
.Where(c => columnFilter(c));
foreach (TColumn column in columns)
{
yield return(column);
}
}
IEnumerable <TColumn> Properties()
{
Type templateType = obj.AsType();
IEnumerable <PropertyInfo> properties = templateType.GetProperties(essentialMix.Constants.BF_PUBLIC_INSTANCE)
.Where(p => !p.HasAttribute <NotMappedAttribute>(true));
if (viewType != DataViewType.None)
{
properties = properties.Where(p =>
{
DataViewTypeAttribute dataViewType = p.GetAttribute <DataViewTypeAttribute>(true);
return(dataViewType == null || dataViewType.ViewType.FastHasFlag(viewType));
});
}
IEnumerable <TColumn> propertiesCast = properties.Cast <TColumn>();
if (columnFilter != null)
{
propertiesCast = propertiesCast.Where(p => columnFilter(p));
}
foreach (TColumn column in propertiesCast)
{
yield return(column);
}
}
}
