Say you have an entity bean Account with a findLargeAccounts method, searching for
accounts with balances over 10,000 Euro. Further you have a deposit method. The finder
method is TX_SUPPORTS and the deposit method is TX_REQUIRED.
Now your client starts a transaction and gets an account by findByPrimaryKey(42).
The balance is 8,000 Euro. The client invokes deposit(3000) and requests
findLargeAccounts in the same transaction context. Will the account No 42 be part of
the result?
The findLargeAccounts method requests the DB directly, but there the balance of
account No 42 is still 8000 Euro unless the container has invoked ejbStore().
Dirk Willecke
Datenzentrale Schleswig-Holstein, Germany
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