Hello. I use seam 2.0 B1, jboss AS 4.2 and Facelets Sun RI.
I have a facelets jsf file called showmessages.xhtml, a stateless seam
component called CellIdBean and an stateful seam component called
MessagesActionBean.
My use case is simply to load messages from db in the MessagesActionBean and
show them in the messages.xhtml. The special thing is that the xhtml will
consist of several facelets includes that has their own id. (Therefor I cannot
use the id with a page parameter in pages.xml). I want to pass the ids many
times in the messages.xhtml to the MessagesActionBean by using the CellIdBean
as a "DTO" and inject this CellIdBean in the action with @In.
This solution might sound unnecessarily complex but if I try just to set the
cellId directly in the MessagesActionBean with
messagemanager.setCellId(cellid)
then I get a complaint in the method initMessages about the cellId being null
when initMessages is executed (it has an @create annotation).
The setCellId is then not even run. I guess that the @create methods are run
before the setters of the properties are run? Am i wrong?
Anyway, instead I tried this way (with the "DTO")
#{cellidbean.setCellId(cell.id)}
The cellidbean component is created and the cellid is set in the component
CellIdBean (below).
@Stateless
| @Name("cellidbean")
| public class CellIdBean implements CellIdBeanLocal {
|
| @In(create = true)
| private Long cellId;
|
| public CellIdBean() {
| }
|
| public void setCellId(Long cellId) {
| this.cellId = cellId;
| }
|
| public Long getCellId() {
| return cellId;
| }
| }
But when I try to use this cellidbean in my actionclass MessagesActionBean it
is resolved to null
@Name("messagemanager")
| @javax.ejb.Stateful
| public class MessageActionBean implements MessageActionLocal {
| @In(create = true) // <-- this resolves to null
| private CellIdBeanLocal cellIdBean;
|
|
| .
| .
| .
| constructors
| .
| .
| .
|
|
| @Override
| @Create
| protected void handleInitMessages() {
| // get messages for the requesting cell
| }
|
| }
Why is the injection of cellidbean in messageactionbean not done?
thank you
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