[infinispan-dev] Generalizing Externalizer interface

[Manik Surtani]

+1

On 29 Nov 2010, at 15:32, Galder Zamarreño wrote:

> As part of https://jira.jboss.org/browse/ISPN-246, we're gonna be making Externalizer interface (http://docs.jboss.org/infinispan/4.2/apidocs/org/infinispan/marshall/Externalizer.html) even more public allowing users to provide their own externalizer implementations. 
> 
> I had a brief scan and it seems like (or so should be unless it's a very strange externalizer), that all Externalizers are symmetric. IOW, whatever type the writeObject() object is passed, that's the type we return in readObject(). So, I was thinking of generalizing Externalizer to look something like this:
> 
> interface Externalizer<T> {
> 
>   void writeObject(ObjectOutput output, T object) throws IOException;
> 
>   T readObject(ObjectInput input) throws IOException, ClassNotFoundException;
> 
> }
> 
> Does anyone have any objections? This would safe a lot of casting in implementations, making externalizers easier to code and type safer.
> 
> Cheers,
> 
> p.s. This would only be included in 5.x.
> --
> Galder Zamarreño
> Sr. Software Engineer
> Infinispan, JBoss Cache
> 
> 
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--
Manik Surtani
manik at jboss.org
Lead, Infinispan
Lead, JBoss Cache
http://www.infinispan.org
http://www.jbosscache.org