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Struts & Hibernate
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| | | - Session problems | - Session problems 2007-06-12 - By thierry.rietsch
Back
Hi
I have a problem with sessions and JBoss Seam. I have a facelet which displays
a collection of objects. In the EJB3 bean related to the facelet, I have a the
@(protected)() annotation which initalizes the collection with the apropriate
objects. So far so good.
The objects from the collection get listed in a h:dataTable and I have some s
:links after the collection entries, which call a method in another bean and
pass the selection.
If I set the Scope of the EJB3 bean which handles the collection to SESSION I
can call the foreign method and pass the object. It works. But, if i click on
another facelet, and then click back on the origin facelet, the collection
doesn't get reloaded. If I change now the Scope to CONVERSATION, the reload of
the collection works, but the parameter which is passed to the method (in the s
:link) is always null.
How can I handle this problem?
| @(protected)
| @(protected)(ScopeType.CONVERSATION)
| @(protected)("partsListFinder")
| public class PartsListFinderBean implements PartsListFinder {
| @(protected)(required=false)
| private String plName;
|
| @(protected)
| private List<PartsList> partsLists;
|
| @(protected)(type=PersistenceContextType.EXTENDED)
| private EntityManager em;
|
| public void findPartsList() {
| partsLists = em.createQuery("from PartsList pl where pl.name like :name")
| .setParameter("name", plName + '%')
| .getResultList();
| }
|
| @(protected)("partsLists")
| public void findPartsLists() {
| partsLists = em.createQuery("from PartsList").getResultList();
| }
|
| @(protected) @(protected)
| public void destroy() { }
| }
|
| <h:dataTable value="#{partsLists}" var="pl">
| <h:column><f:facet name="header">Search Job Name</f:facet> #{pl.name}</h
:column>
| <h:column>
| <f:facet name="header">Action</f:facet>
| <s:link value="Edit" action="#{partsListEditor.edit(pl)}"/><br />
| <s:link value="View" action="#{partsListViewer.view(pl)}"/>
| </h:column>
| </h:dataTable>
|
|
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&p=4053577#4053577
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