private static Dictionary <string, dynamic> GetDefinitionByType(
Dictionary <string, dynamic> dictionary, IGenericSerializer genericSerializer, ColumnTypeCode typeCode, IColumnInfo typeInfo)
{
if (typeInfo is UdtColumnInfo udtTypeInfo)
{
var udtMap = genericSerializer.GetUdtMapByName(udtTypeInfo.Name);
if (udtMap == null)
{
throw new InvalidOperationException($"Could not find UDT mapping for {udtTypeInfo.Name}");
}
return(GetUdtTypeDefinition(dictionary, genericSerializer.GetUdtMapByName(udtTypeInfo.Name), genericSerializer));
}
dictionary.Add("cqlType", typeCode.ToString().ToLower());
if (typeInfo is TupleColumnInfo tupleColumnInfo)
{
dictionary.Add(
"definition",
tupleColumnInfo.Elements.Select(c => GetDefinitionByType(genericSerializer, c.TypeCode, c.TypeInfo)));
}
if (typeInfo is MapColumnInfo mapColumnInfo)
{
dictionary.Add(
"definition",
new[] {
GetDefinitionByType(genericSerializer, mapColumnInfo.KeyTypeCode, mapColumnInfo.KeyTypeInfo),
GetDefinitionByType(genericSerializer, mapColumnInfo.ValueTypeCode, mapColumnInfo.ValueTypeInfo)
});
}
if (typeInfo is ListColumnInfo listColumnInfo)
{
dictionary.Add(
"definition",
new[] { GetDefinitionByType(
genericSerializer, listColumnInfo.ValueTypeCode, listColumnInfo.ValueTypeInfo) });
}
if (typeInfo is SetColumnInfo setColumnInfo)
{
dictionary.Add(
"definition",
new[] { GetDefinitionByType(
genericSerializer, setColumnInfo.KeyTypeCode, setColumnInfo.KeyTypeInfo) });
}
return(dictionary);
}
/// <inheritdoc />
public dynamic Objectify(
JToken graphsonObject, Type type, IGraphTypeSerializer serializer, IGenericSerializer genericSerializer)
{
var keyspace = serializer.FromDb <string>(graphsonObject["keyspace"]);
var name = serializer.FromDb <string>(graphsonObject["name"]);
var values = (JArray)graphsonObject["value"];
var targetTypeIsDictionary = false;
Type elementType = null;
if (type.GetTypeInfo().IsGenericType &&
(type.GetGenericTypeDefinition() == typeof(IReadOnlyDictionary <,>) ||
type.GetGenericTypeDefinition() == typeof(Dictionary <,>) ||
type.GetGenericTypeDefinition() == typeof(IDictionary <,>)))
{
targetTypeIsDictionary = true;
var genericArgs = type.GetTypeInfo().GetGenericArguments();
if (genericArgs[0] != typeof(string))
{
throw new InvalidOperationException(
"Deserializing UDT to Dictionary is only supported when the dictionary key is of type \"string\".");
}
elementType = genericArgs[1];
}
UdtMap udtMap = null;
bool readToDictionary;
if (targetTypeIsDictionary)
{
readToDictionary = true;
}
else
{
udtMap = genericSerializer.GetUdtMapByName($"{keyspace}.{name}");
if (udtMap != null)
{
readToDictionary = false;
}
else
{
readToDictionary = true;
elementType = typeof(object);
}
}
var obj = readToDictionary
? ToDictionary(serializer, elementType, (JArray)graphsonObject["definition"], values)
: ToObject(serializer, udtMap, values);
if (!serializer.ConvertFromDb(obj, type, out var result))
{
throw new InvalidOperationException($"Could not convert UDT from type {obj.GetType().FullName} to {type.FullName}");
}
return(result);
}
public UdtMap GetUdtMapByName(string name)
{
return(_serializer.GetUdtMapByName(name));
}