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https://issues.apache.org/jira/browse/IGNITE-6627?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16206116#comment-16206116
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Alexey Popov commented on IGNITE-6627:
--------------------------------------
There are 3 actual fixes here:
1. Type EnumEqualityComparer`1 serialization issue: its object type
ObjectEqualityComparer`1 is not ISerializable and should not be serialized.
Some explanation could be found here
http://dotnetstudio.blogspot.ru/2012/06/net-35-to-net-40-enum.html
2. HashSet and other generic collection deserialization issue for enum arrays:
object array was not casted to enum array
3. EmptyObject serialization issues: typeid of such object were not passed to
Grid (BinaryProcessor)
Several tests were added for all issues.
[~ptupitsyn] please review the changes
> .NET: cache deserialization fails with complex value type & enum
> ----------------------------------------------------------------
>
> Key: IGNITE-6627
> URL: https://issues.apache.org/jira/browse/IGNITE-6627
> Project: Ignite
> Issue Type: Bug
> Components: platforms
> Affects Versions: 2.2
> Reporter: Alexey Popov
> Assignee: Alexey Popov
> Labels: .NET
> Fix For: 2.4
>
>
> There is an deserialization issue with complex structure.
> Please see the sample code below:
> {noformat}
> public enum SampleEnum : byte
> {
> One = 0,
> Two = 1,
> Three = 2
> }
> {noformat}
> {noformat}
> var cache = ignite.GetOrCreateCache<string,
> Dictionary<SampleEnum, Dictionary<int, int>>>("mySampleCache");
> cache.Put("DictData", Dict);
> var result = cache.Get("DictData");
> {noformat}
> var result = cache.Get("DictData"); fails with exception:
> {"The constructor to deserialize an object of type
> 'System.Collections.Generic.ObjectEqualityComparer`1[SampleProject.SampleEnum]'
> was not found."}
> If we change
> Dictionary<SampleEnum, Dictionary<int, int>>
> to
> Dictionary<int, Dictionary<int, int>>
> then everything works fine
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