The standard JDOHelper bootstrap properties are explained here. The property names are additionally listed in Appendix A for your quick reference.
It is permissible for implementations to support additional properties with names that are not standard. Details of these will be provided in the appropriate product documentation.
This is the fully package-qualified class name of the JDO implementation’s class implementing the PersistenceManagerFactory interface.
If this property is set to true, the returned PersistenceManagerFactory will employ optimistic transaction management.
If this property is set to true, the ...