Refresh Your Java - Before Java Interview
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| Transaction Attribute | Client-Controlled Transaction Exists | Client-Controlled Transaction Does Not Exist |
| Not Supported | Container suspends the client transaction | Use no transaction |
| Supports | Use client-controlled transaction | Use no transaction |
| Required | Use client-controlled transaction | Container starts a new transaction |
| Requires New | Container suspends the client transaction and starts a new transaction | Container starts a new transaction |
| Mandatory | Use client-controlled transaction | Exception raised |
| Never | Exception raised | Use no transaction |
In EBJ 3.0
you
@Stateful
@TransactionManagement(value=TransactionManagementType.CONTAINER)
@TransactionAttribute(value=REQUIRED)
public class CartBean implements Cart {
private ArrayList items;
@PostConstruct
public void initialize() {
items = new ArrayList();
}
@Remove
@TransactionAttribute(value=REQUIRES_NEW)
public void finishedShipping() {
// Release any resources.
}
public void addItem(String item) {
items.add(item);
}
public void removeItem(String item) {
items.remove(item);
}
}
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