Here's the Java version of implementing hooks for JDO and JPA: http://gae-java-persistence.blogspot.com/2009/11/case-insensitive-queries.html
On Fri, Jan 29, 2010 at 6:57 AM, Nick Johnson (Google) < [email protected]> wrote: > Hi J, > > On Fri, Jan 29, 2010 at 3:18 PM, J <[email protected]> wrote: > >> Hi Everyone, >> >> Background: Recommended practice for dealing with the Data Store is to >> be prepared for the occasional failure. Within a transaction, when in >> test mode, I simulate a transaction failure by randomly raising the >> Rollback exception. This practice allows us to validate the exception >> paths of the code when in test mode. >> >> Now the question: when in test mode, is there a way to cause Model.put >> () to raise an exception so we could test for this? Something should >> be possible with hooks but if there is an existing best practice >> around this, I would love to use it and/or build on it. >> > > Using hooks would be your best option. Define a pre-call hook for the Get > operation that raises an exception when you want it to. My article on hooks > demonstrates how to make this easier with a hooking class: > > http://blog.notdot.net/2009/11/API-call-hooks-for-fun-and-profit > > -Nick > > >> >> Thanks. >> >> J Singh >> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]<google-appengine%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-appengine?hl=en. >> >> > > > -- > Nick Johnson, Developer Programs Engineer, App Engine > Google Ireland Ltd. :: Registered in Dublin, Ireland, Registration Number: > 368047 > > -- > You received this message because you are subscribed to the Google Groups > "Google App Engine" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-appengine%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine?hl=en. > -- Ikai Lan Developer Programs Engineer, Google App Engine http://googleappengine.blogspot.com | http://twitter.com/app_engine -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.
