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resouce-local and JPA transactions

 
Ranch Hand
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Can someone explain to me what is the difference between a resource_local transaction and a JPA transaction?

Thanks in advance
 
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Are you asking about EJB2.0 or EJB3.0?
 
Greenhorn
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Hi,

With JPA you can speciy two types of transactions :

1- RESSOUCE_LOCAL : available in and outside a JEE environment, and rely on the underline Data Source you use. For example you can use this type to work with database transaction.

2- JTA : for Java Transaction API it's only available in a JEE environment. This kind of transaction is more rich than the first one. You can have a transaction with different Data Source for different types. For example between a database and LDAP.

When you are in a JEE environment, the JTA is the default value. However, RESSOUCE_LOCAL is the defaut value in a SE environment.

I hope this help.
 
Khaled Mahmoud
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Thanks.
Short and help explanation.
 
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Just to add, you would have to use EntityTransaction API with RESOURCE_LOCAL transactions and the related entity manager would be a resource local entity manager.
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