Hi Prashant. This doesn't appear to have anything to do with memcache. Your complaint is that @NotPersistent-annotated fields are reassigned to null when the object is detached. I'm not familiar enough with the JDO specification to say whether this is expected, but I've filed a bug and Max will verify whether this same behavior exists in the standard DataNucleus plugin. If so, then he will close this bug as "working as intended."
Here's my bug report: http://code.google.com/p/datanucleus-appengine/issues/detail?id=189 - Jason On Tue, Jan 12, 2010 at 2:10 PM, Jason Cooper <jasonacoo...@google.com>wrote: > Hi Prashant. This doesn't appear to have anything to do with memcache. Your > complaint is that @NotPersistent-annotated fields are reassigned to null > when the object is detached. I'm not familiar enough with the JDO > specification to say whether this is expected, but I've filed a bug and Max > will verify whether this same behavior exists in the standard DataNucleus > plugin. If so, then he will close this bug as "working as intended." > > Here's my bug report: > > http://code.google.com/p/datanucleus-appengine/issues/detail?id=189 > > - Jason > > On Mon, Jan 11, 2010 at 4:56 AM, Prashant Gupta <nextprash...@gmail.com>wrote: > >> Hi, >> >> I found a weird behaviour (testing in dev mode). Suppose I have an entity >> with a NonPersistent child, say *child*. I want to cache parent to >> memcache for fast access also I want child to be cached with parent. Since >> *child* is NonPersistent, so, after fetching (and detaching) parent from >> datastore I am assigning *child* an instance (parent.*child* = new >> Child()) then saving it to memcache. But next time when I fetched parent >> from memcache, *child* is again null. Why? I noticed that this happens >> only if I detach parent, if I don't, *child* survives. It doesn't matter >> weather I detach before or after assignment, *child* dies. Is it an >> expected behaviour of an detached object or a bug? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Google App Engine for Java" group. >> To post to this group, send email to >> google-appengine-j...@googlegroups.com. >> To unsubscribe from this group, send email to >> google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> >> . >> For more options, visit this group at >> http://groups.google.com/group/google-appengine-java?hl=en. >> >> >--
You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group.
To post to this group, send email to google-appengine-j...@googlegroups.com.
To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com.
For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
