Sometimes, it is possible that you feel that it will be easier if you can use
immediateReindexObject or recursiveImmediateReindexObject. Theses
two methods must be used only for debugging. So never use it in any script,
never use it in the ERP5 Code.
Each time we use immediateReindexObject, it will work for development, but it
will fails on production if you have more than 2 users.
If you need immediateReindex, this probably means that you are doing the wrong way.