[infinispan-dev] MapReduceTask serialization

[Galder Zamarreño]

Even if the Serializable/Externalizer rules do not allow this, I wonder whether if anonymous classes that have externalizers associated to the would work...

Vladimir, I'm gonna this out and let you know if it works - good addition to testsuite as well

On Mar 9, 2011, at 5:11 PM, Manik Surtani wrote:

> Yeah that sucks.  I suppose we just need to specify that anonymous classes are not used.  :/
> 
> On 9 Mar 2011, at 16:01, Vladimir Blagojevic wrote:
> 
>> Hey,
>> 
>> I've sort of hit a snag with the current MapReduce design and 
>> serialization. Our MapReduceTask API allows users to specify Mapper, 
>> Reducer and Collator interfaces as anonymous classes [1]. However, we 
>> can not serialize instances of these classes as they are anonymous 
>> [2](see Note in section 1.10).
>> 
>> Of course, users can specify static implementations of these interfaces 
>> and we can put a big warning notice about anonymous class 
>> implementations of Mapper, Reducer and Collator but our MapReduceTask 
>> fluent API itself nudges users to use anonymous classes :-(
>> 
>> Not sure what to do! Ideas?
>> 
>> 
>> [1]http://community.jboss.org/wiki/InfinispanDistributedExecutionFramework#Examples 
>> 
>> [2]http://download.oracle.com/javase/6/docs/platform/serialization/spec/serial-arch.html
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> 
> --
> Manik Surtani
> manik at jboss.org
> twitter.com/maniksurtani
> 
> Lead, Infinispan
> http://www.infinispan.org
> 
> 
> 
> 
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--
Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache