[Registry-dev] Transactional API methods for the Regisrty interface

[Paul Fremantle]

Chathura

How about a "rollback()"!?

Paul

Chathura C. Ekanayake wrote:
> 
> When performing resource imports to the registry, it is necessary make 
> the whole import transactional.
> For example we don't want to end up importing only few files and 
> subdirectories in a imported directory,
> if the import fails in the middle of the operation.
> 
> To overcome this, I propose following two methods for the Registry 
> interface.
> 
> public void beginTransaction();
> 
> public void commit();
> 
> So the ResourceImporter can call the beginTrasaction() method before 
> starting the import. Then import
> all resources by calling the put(...) method for all files. Finally call 
> the commit() method.
> 
> Then JDBCRegistry impl can perform all the put() and other updating 
> methods in a single database transaction.
> 
> Alternative approach would be to introduce a import(...) method to the 
> Registry interface, so that it internally
> invokes all put(...) methods in a single transaction.
> 
> Thoughts...
> 
> Thanks,
> Chathura
> 
> _______________________________________________
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> 

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Paul Fremantle
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