[jboss-user] [Persistence, JBoss/CMP, Hibernate, Database] - How to create new persistence unit at run time?

[avihaimar]

Hey, 

I am working in Jboss. 

I have persistence.xml and in the file i create persistence unit that is mapped to a data source and a schema. 

I want to create in run time a new persistence unit and factory , that is mapped to another data source and schema. 

I need it because i want to create copy of this unit in different schema for each user that register to the system. 

My questions are: 
How can i create new persistence unit at run time? 

How can i save the new persistence unit that i created to the persistence.xml or to another file in order have them in case the server is crashed? 

Can i create a data source that map to a data base url and not mapped to schema and in the persistence unit properties give the schema connection url ? 

Thank you very much 

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