public override object ExtractObject(Type requestedType)
{
object buildObject;
if (IsReferedMultipleTimes)
{
if (ParentGraph.TryGetObjectForRefId(RefId, out buildObject))
{
return(buildObject);
}
}
Type typeToBuild = requestedType;
if (ObjectType != null)
{
Type myType = ObjectType.ClassType;
if (requestedType != null && !requestedType.IsAssignableFrom(myType))
{
throw new Exception("Unable to build object. Requested on type but data has another type"); //TODO better exception
}
typeToBuild = myType;
}
if (typeToBuild == null)
{
throw new Exception("Missing type information. Unable to build object"); //TODO better exception
}
if (typeToBuild.IsAbstract || typeToBuild.IsInterface)
{
throw new Exception("Cannot create a direct instance of a abstract or interface"); //TODO better exception
}
if (typeToBuild.IsArray || typeToBuild.IsPrimitiveData())
{
//Handle Boxed Value Types
IGraphNode boxedValue = m_fields[DEFAULT_BOXED_VALUE_FIELD_NAME];
return(boxedValue.RebuildObject(typeToBuild));
}
buildObject = SerializationServices.GetUninitializedObject(typeToBuild);
ParentGraph.LinkObjectToNode(this, buildObject);
var surrogate = SerializationServices.GetDefaultSerializationSurrogate(typeToBuild);
surrogate.SetObjectData(ref buildObject, this);
return(buildObject);
}