[infinispan-issues] [JBoss JIRA] Updated: (ISPN-508) ProtoBuf as portable serialization for Hot Rod

[Galder Zamarreno (JIRA)]

     [ https://jira.jboss.org/browse/ISPN-508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Galder Zamarreno updated ISPN-508:
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    Attachment: avro-rpc-quickstart.zip


I've been playing around with Avro. Reflection based marshalling, which is the one that avoids clients having to precompile their classes, still requires some kind of sending around of the class name/type before hand in order to deserialize read data which would not be portable. Specific marshalling is the same that Protobuf and Thrift do. However, it seems to rely on a static singleton class that maintains a class cache in a CHM which would cause leaks on app server environments. Although the most interesting thing with Avro would be to allow clients to parse their own byte[] using reflection based marshalling, I seriously doubt this is portable in any way. IOW, how is a python client gonna know how to read a Java object that has been marshalled based on reflection where there's no schema? 

I'm attaching a sample project that uses reflection based marshalling but it's use is limited.

> ProtoBuf as portable serialization for Hot Rod
> ----------------------------------------------
>
>                 Key: ISPN-508
>                 URL: https://jira.jboss.org/browse/ISPN-508
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Cache Server
>            Reporter: Galder Zamarreno
>            Assignee: Galder Zamarreno
>            Priority: Critical
>             Fix For: 5.0.0.BETA1, 5.0.0.Final
>
>         Attachments: avro-rpc-quickstart.zip, protobuf-sandbox.zip, thrift-sandbox.zip
>
>
> Consider using Google ProtoBufs as a way to serialize data into a wire so that a single Hot Rod server can simulatneously be accessed by clients written in different languages. At the moment, cos Java client uses standard serialization, only Java clients would really be able to understand the contents of it, unless there's a non-JVM implementation that can understand java serialization. 

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