public IEnumerable <KeyValuePair <K, KeyValuePair <Property, object>[]> > Extract(params K[] subset) =>
subset
.Select(
k => {
var k_key = k.ToString();
return
(new KeyValuePair <K, KeyValuePair <Property, object>[]>(
k,
storage
.Children
.Select(
property_objID => {
var propertyname =
storage.GetRelation(property_objID);
var property =
propertymanager.Access(propertyname);
var value =
Deserializers[property](storage.Graph[property_objID].Get(k_key));
var kvp =
new KeyValuePair <Property, object>(
property,
value
);
return kvp;
}
)
.ToArray()
));
}
);