[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5861) PersistenceUnitUtil.getIdentifier() returning zero instead of null

[Archie Cobbs (JIRA)]

PersistenceUnitUtil.getIdentifier() returning zero instead of null
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                 Key: HHH-5861
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5861
             Project: Hibernate Core
          Issue Type: Bug
          Components: entity-manager
    Affects Versions: 3.6.0
            Reporter: Archie Cobbs
            Priority: Minor


In one project my identifiers are Java {{long}} values and my code invoked {{PersistenceUnitUtil.getIdentifier()}} on an entity object which was either newly created and not yet persisted, or newly created and persisted but not yet actually saved (I'm not sure which case it was).

But either way, the method returned the wrong thing, namely zero instead of {{null}}. According to the Persistence API, it should have returned {{null}} instead of zero:
{quote}
_Return the id of the entity. A generated id is not guaranteed to be available until after the database insert has occurred. Returns null if the entity does not yet have an id._
{quote}


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