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https://issues.apache.org/jira/browse/TINKERPOP-1854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16361994#comment-16361994
]
ASF GitHub Bot commented on TINKERPOP-1854:
-------------------------------------------
Github user jorgebay commented on a diff in the pull request:
https://github.com/apache/tinkerpop/pull/792#discussion_r167789705
--- Diff:
gremlin-dotnet/src/Gremlin.Net/Structure/IO/GraphSON/LambdaSerializer.cs ---
@@ -0,0 +1,45 @@
+#region License
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#endregion
+
+using System.Collections.Generic;
+using Gremlin.Net.Process.Traversal;
+
+namespace Gremlin.Net.Structure.IO.GraphSON
+{
+ internal class LambdaSerializer : IGraphSONSerializer
+ {
+ private const int DefaultArgument = -1;
+
+ public Dictionary<string, dynamic> Dictify(dynamic objectData,
GraphSONWriter writer)
+ {
+ Lambda lambda = objectData;
--- End diff --
The same, rely on an interface instead of an implementation, use `ILambda`.
> Support lambdas in Gremlin.Net
> ------------------------------
>
> Key: TINKERPOP-1854
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1854
> Project: TinkerPop
> Issue Type: Improvement
> Components: dotnet
> Affects Versions: 3.3.0, 3.2.6
> Reporter: Florian Hockmann
> Assignee: Florian Hockmann
> Priority: Major
>
> Gremlin.Net should support lambdas. We already discussed this in [the pull
> request for TINKERPOP-1752|https://github.com/apache/tinkerpop/pull/712].
> Here is what [~spmallette] said over there:
> {quote}
> Any reason we don't support lambdas? Even if .NET can't support them natively
> for some reason wouldn't we minimally support the ability to pass a
> python/groovy/etc lambda? it's kinda weird that way, but i think back to the
> point that kuppitz made on the dev list the other day where he stated that he
> doesn't always find a way out of using lambdas in production systems he works
> on - so ultimately users will need that kind of capability i think.
> {quote}
> C# lambdas would require some kind of C# parser on the server side, so at
> least in the beginning a way to send lambdas from already supported languages
> in Gremlin.Net should be enough.
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