[jboss-user] [JBoss Seam] - Question on Injection an Context
hasc
do-not-reply at jboss.com
Mon Oct 1 08:49:09 EDT 2007
Hi,
i have some trouble propably because of a misunderstanding with resrouce injection.
I have a Stateful bean in conversation scope. The bean is responsible for managing some user input. The user data is stored in an object (calculation) which is injected in the manager bean.
| @Stateful
| @Scope(ScopeType.CONVERSATION)
| @Name("manager")
| public class CalculationManagerBean implements CalculationManager {
|
| @In Calculation calculation
| }
|
Now on a special page i want to manipulte a list wich is an attribute of the calculation object. I thought a component with ScopeType.PAGE is a good candidate to offer the methods to add change and remove list elements. So i wrote a component which injects the calculation object.
| @Name("listmanager")
| @Scope(ScopeType.PAGE)
| public class ListManager implements Serializable{
|
| @In
| Calculation calculation;
|
| @DataModel
| List<ListItem> list;
|
| public void addItem() {
| list.add(item);
| calculation.setList(list);
| }
|
|
I want to save the manipulated list in the calculation object whenever the list changes. The problem is that if i call the setter method it has no effect on the calculation method.
I guess is accociated with the scope, so conversion is longer than page. But i dont have a proper solution or a better way to achieve what i want.
Help would be great.
regards,hasc
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