perfsonar development work

[Loukik Kudarimoti <>]

Roman Lapacz wrote:
> Loukik Kudarimoti wrote:
> > [14:40] loukik: so, if the request is of get key
> > [14:40] loukik: i.e. metadatakeyrequest
> > [14:40] loukik: it uses a configuration storage manager to do a match 
> > against the request
> > [14:40] loukik: if the request is for data
> > [14:41] loukik: it checks if there is a key already
> > [14:41] loukik: if yes, it calls on a storage manager to fetch data 
> > from the rrd file
> > [14:41] Ivan Koga: is it a general component too? [14:41] Ivan Koga: 
> > generic?
> > [14:42] loukik: well, the component which can talk to an xml database 
> > is generic
> >   
>
> Are you talking about the implementation of xmldb access made by 
> Maciej? If yes then it is generic. 
Yes.
> But if you are talking about storage managers 
> (MetadataConfigurationStorageManager, 
> SimpleMetadataConfigurationStorageManager) for fetching the 
> information from the metadata configuration file (nmwg:store) then 
> it's not generic. It's only for MA services (RRD, SQL or others).
I did not discuss about this with him (didn't want to provide too much 
details in the beginning). Have you guys got any UML for these?

Loukik.
> > [14:42] loukik: but this component requires an xpath or xquery 
> > expression
> > [14:42] loukik: so that it can talk to the xml database
> > [14:42] loukik: that needs to be constructed by the service engine
> > [14:43] Ivan Koga: so, i have to implement an storage manager to 
> > fetch my data from AMP files
> > [14:43] loukik: yes, you have to implement a storage manager for amp 
> > files
> > [14:43] loukik: we have RRDTypeStorageManager
> >   
>
> org.perfsonar.service.measurementArchive.rrdType.RRDStorageManager
>
>
>
>
> Roman