if (!HasObserver(OBS_PRE_WRITER_1) && bbGetInputInPrePersistObs1() != NULL)
AddObserver(OBS_PRE_WRITER_1, bbGetInputInPrePersistObs1());
-
+ /// \TODO fix warning: NULL used in arithmetic // JPR
if (!HasObserver(OBS_POST_WRITER_1) == NULL && bbGetInputInPostPersistObs1() != NULL)
AddObserver(OBS_POST_WRITER_1, bbGetInputInPostPersistObs1());