Porposal: Sequence Support

[Oliver Zeigermann <oz...@c1-fse.de>]

In bug report

http://issues.apache.org/bugzilla/show_bug.cgi?id=26913

the need for a non-transactional counter aka sequence is claimed. As all 
relational databases more or less have features that would allow for 
such a concept want propose a new interface for Slide 2.1 that stores 
might implement to pass sequenced number to Slide:

public interface SequenceStore {
   public boolean isSupported(); // necessary to do dynamic checking
   public void createSequence(String sequenceName);
   public long next(String sequenceName);
}

A store supports sequences when it implements this interface and 
isSupported() returns true. This double checking allows the store to 
dynamically check if the physical persistent store (e.g. RDBMS etc.) 
really supports it by doing a request.

Comments and opinions, please!

Oliver

---------------------------------------------------------------------
To unsubscribe, e-mail: slide-dev-unsubscribe@jakarta.apache.org
For additional commands, e-mail: slide-dev-help@jakarta.apache.org