2.3.5.1. Transaction Annotations

2.3.5.1. Transaction Annotations
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@Stateful @TransactionManagement (BEAN) public class SomeBeanClass implements SomeBeanInterface {
    @Resource javax.Transaction.UserTransaction transaction;

    public void myMethodOne () {
        transaction.begin ();
        ...
    }

    public void myMethodTwo () {
        ...
        transaction.commit ();
    }
}

@Stateless public class SomeBeanClass implements SomeBeanInterface {
    @TransactionAttribute (REQUIRED) public void myMethod () {
        ...
    }
}

BEAN: bean demarcated transactions
NEVER: transaction must not be active or exception is thrown
MANDATORY: transaction must be active or exception is thrown
SUPPORTS: no specific demarcation performed by the container
NOT_SUPPORTED: active transaction suspended during call
REQUIRED: active transaction used or new transaction started during call
REQUIRES_NEW: active transaction suspended and new transaction started during call