/// <summary>
/// Works simmilar to ExecuteNextAsyc<T> from IDocumentQuery<T> and allows to deserialize the results
/// to custom objects of type T
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="gremlinQuery">ExtensionObject IDocumentQuery</param>
/// <param name="context">Context that can store GraphElements. If you retrieved vertices and then an edge refering to those vertices they will be automatically linked.</param>
/// <returns></returns>
public static async Task <IList <T> > ExecuteNextAsyncAsPOCO <T>(this IDocumentQuery gremlinQuery, IGraphContext context = null) // where T : new()
{
List <T> result = new List <T>();
IGraphSerializer serializer = null;
Type targetType = typeof(T);
if (gremlinQuery.GetType().GenericTypeArguments[0] != typeof(Vertex))
{
IDocumentQuery <Edge> edgeQuery = gremlinQuery as IDocumentQuery <Edge>;
var resultSet = await edgeQuery.ExecuteNextAsync <Edge>();
foreach (Edge e in resultSet)
{
string typeString = GraphSerializer.GetTypePropertyString(e, out string inVTypeString, out string outVTypeString);
if (String.IsNullOrEmpty(typeString))
{
serializer = GraphSerializerFactory.CreateGraphSerializer(context, targetType); // Try to instantiate T
}
else
{
serializer = GraphSerializerFactory.CreateGraphSerializer(context, typeString);
}
serializer.Convert(e, out object edge);
result.Add((T)edge);
}
}
else
{
IDocumentQuery <Vertex> vertexQuery = gremlinQuery as IDocumentQuery <Vertex>;
var resultSet = await vertexQuery.ExecuteNextAsync <Vertex>();
foreach (Vertex v in resultSet)
{
string typeString = GraphSerializer.GetTypePropertyString(v);
if (String.IsNullOrEmpty(typeString))
{
serializer = GraphSerializerFactory.CreateGraphSerializer(context, targetType); // Try to instantiate T
}
else
{
serializer = GraphSerializerFactory.CreateGraphSerializer(context, typeString);
}
serializer.Convert(v, out object vertex);
result.Add((T)vertex);
}
}
return(result);
}
