public DenseFeaturesFromEntity(IEnumerable rgFeature, FeatureSerializer featureSerializer)
{
FeatureSerializer = featureSerializer;
_rgFeatureDictionary = new Hashtable();
foreach (Feature aFeature in rgFeature)
{
string sXml = FeatureSerializer.ToXml(aFeature);
_rgFeatureDictionary.Add(sXml, aFeature);
}
}
public override IDictionary FeatureDictionary(object entity)
{
Hashtable rgForEntity = new Hashtable();
foreach (Converter <object, IEnumerable> aFeaturesFromEntityFunction in _rgFeaturesFromEntityFunction)
{
IEnumerable rgEntitySomeFeatures = aFeaturesFromEntityFunction(entity);
foreach (Feature aFeature in rgEntitySomeFeatures)
{
//!!!if nested features, implemented a good HashCode and Equal, then wouldn't need to hash on Xml, instead could has on the feature itself - but this would make defining features more work.
string sXml = _featureSerializer.ToXml(aFeature);
if (_rgFeatureDictionary.Contains(sXml))
{
rgForEntity.Add(sXml, aFeature);
}
}
}
return(rgForEntity);
}
