{
toSavingsOfficer = this.staffRepository.findByOfficeHierarchyWithNotFoundDetection(toSavingsOfficerId, savingsForUpdate.office().getHierarchy());
}
if (!savingsForUpdate.hasSavingsOfficer(fromSavingsOfficer)) { throw new SavingsOfficerAssignmentException(savingsAccountId, fromSavingsOfficerId); }
savingsForUpdate.reassignSavingsOfficer(toSavingsOfficer,dateOfSavingsOfficerAssignment);
this.savingsRepository.saveAndFlush(savingsForUpdate);
actualChanges.put("toSavingsOfficerId", toSavingsOfficer.getId());