Dear All,
Just to be curious about EjbStore calls ? Can any body explain that how does the
Applications Server handles the Transactions within multiple Entity EJBs. Like
If I have two entity EJBs as "a" & "b". Both running in the same transaction OK.
If the transaction commits, the App Server calls the EjbStore for both EJBs.
Correct?
But If Application Server called the EjbStore of "a" and Power goes off. What
happens now?The developer had written the code for persistence in each ejbStore
But the "b" 's ejbStore was not executed? How the App Servers assure that All
EjbStore excute or none of them execute? Some type of Out of order execution or
what? Because the changes made in the "a"'s ejbStore needs to be restored back.
I know for JDBC that we can use the DataSource Object which can provide the
common Connection Object to all participants in a transaction. But what we need
to do If we are storing the data in a custom data Store or Legacy App. Do we
need to write a custom Resource dispenser (just like the JDBC) based on the
connectors API (being developed nowadays) or what ?
Fareed Ahmad
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