eclipselink - JPA - don't want to hard code unitName in @PersistenceContext -


i using eclipselink , have this:

@persistencecontext(unitname = "unit1")
private entitymanager em;

is there way can specify/read persistent unit name config/property file if want, can change persistent unit name (so point different data source)?

don't use injection, lookup context in code.


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