Factories that produce persistence managers, 185
factory.properties file, 276, 281, 285
Failed object, getting, 251
FCO extents, 10
FCOs (first class objects), 9–10, 13, 17
Fetch group, default, 91, 137–138, 235–236
Fetch from memory, vs. datastore read, 164
Field access (.) operator, 51
field tag (JDO metadata), 173–178
field tag attributes (JDO metadata), 174–177
default-fetch-group attribute, 176
embedded attribute, 176–177
name attribute, 174
null-value attribute, 175–176
persistence-modifier attribute, 174–175
primary-key attribute, 174
field tag example, 177–178
Field types
in application data classes, 144
that can be persistent, 145–147
that can be transactional, 145
that can be unmanaged, 144
Fields
of application data class, 9
cached persistent, 89
managed and unmanaged, 144–147
that implement serializable, 147
Filter expressions (query), 51
Filter string (query), 49
Final fields, 144
finally block, 207, 223, 345, 349
find all command, 286
find command, 287
find in results command, 287
flipReservations method (ReservationService), 346–349
Flushing bean state, 215–216
Flushing the cache before sending a query, 64
Foo class used for examples, 50, 59
Foo object states, 59
FOStoreTestDB files, 325
FOStoreTestDB.btd, 282
FOStoreTestDB.btx, 282
Friendly classes
enhancement and, 160–161
persistence-aware, 161
Frozen persistence manager factory, 192