On Fri, Jul 24, 2015 at 11:01:43AM +0200, Gunnar Morling wrote: > > > I have been adding a facet to GridDialect and found it surprisingly hard: > > > > What is a facet in this context. I've seen you guys using this term on IRC > > as well, > > but I am not sure what you mean with it in relation to a GridDialect. > > > > It's our way to model different (optional) capabilities of data stores. > > The main contract is GridDialect which offers the basic functionality each > store needs to support (getTuple(), insertOrUpdateAssocation() and so on). > Then there are several sub-types of it (e.g. QueryableGridDialect, > OptimisticLockingAwareGridDialect etc.) which allow a dialect to expose > advanced (or more efficient) functionality. Depending on which capabilities > a store exposes that way, engine will make use of it.
Got it, thanks. > > which non datastore dialects was supposed to implement the facet > > > > non datastore dialect? Is it not one dialect per datastore? > > > > Davide's answer says it :) +1 Thanks both of you. Always helps to understand the lingo. --Hardy
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