[Biojava-l] FeatureHolder.containsFeature()

[Schreiber, Mark]

>     Mark> What if, when a user checks out a sequence the sequence is
>     Mark> created by the DB servers JVM and an interface to it is
>     Mark> exported to the user via RMI. (Yah for the Serialization
>     Mark> upgrades to biojava). Now when multiple users start messing
>     Mark> with a sequence by calling the removeFeature() (which will
>     Mark> be marked as synchronized of course!) they are actually
>     Mark> dealing with the same sequence rather than copies of the
>     Mark> sequence which must be merged/ rejected when they are
>     Mark> commited back. After the sequence has no more users it can
>     Mark> be commited back to the DB (flat file or relational).
> 
>     Mark> Heck that's the best use of RMI I've ever come up with!
> 
> That's pretty neat. However, this locks out any concurrent 
> non-Java access doesn't it? I don't know whether the bioSQL 
> schema was envisaged to support, say BioPerl and BioJava 
> clients accessing the same resource simultaneously, but it 
> seems to me that should remain possible.
> 
> Keith
> 

Hmm, if concurrent access is required you could use the RMIIOP protocol
to a Corba object, but yes I think that different clients to the same
object is messy.

Actually can some one inform me of the difference between the BioSQL and
the Open Bioinformatics Database Specification??

Mark
=======================================================================
Attention: The information contained in this message and/or attachments
from AgResearch Limited is intended only for the persons or entities
to which it is addressed and may contain confidential and/or privileged
material. Any review, retransmission, dissemination or other use of, or
taking of any action in reliance upon, this information by persons or
entities other than the intended recipients is prohibited by AgResearch
Limited. If you have received this message in error, please notify the
sender immediately.
=======================================================================