Seam: 2.0.0BETA1
JBoss: 4.2.0
Facelets
I am having problems with a very simple datatable.
Here is my code....
Bean
|
| @Name("usermanager")
| @Stateful
| @Scope(SESSION)
| @Restrict("#{identity.loggedIn}")
| public class UserManager implements UserManagerInterface {
|
| @In
| private User user;
|
| @In
| private Session inetworkDatabase;
|
| @Logger
| Log log;
|
| @DataModelSelection("users")
| @Out(required = false)
| private User selectedUser;
|
| @DataModel("users")
| private List<User> users;
|
| @Factory("users")
| public List<User> getUsers() {
|
| List<User> retUsers = null;
|
| try{
|
| if(user != null){
|
| Criteria criteria =
inetworkDatabase.createCriteria(User.class);
|
| retUsers = criteria.list();
|
| }else{
|
| }
|
| }catch(Exception e){
|
| }
|
| return retUsers;
| }
|
| public void editUser(){
|
| log.info("**************************************** ");
|
| }
|
| @Remove
| public void destroy() { }
| }
|
|
XHTML
|
| <!DOCTYPE composition PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
|
| <ui:composition xmlns="http://www.w3.org/1999/xhtml";
| xmlns:s="http://jboss.com/products/seam/taglib";
| xmlns:ui="http://java.sun.com/jsf/facelets";
| xmlns:f="http://java.sun.com/jsf/core";
| xmlns:h="http://java.sun.com/jsf/html";
| xmlns:rich="http://richfaces.ajax4jsf.org/rich";
| xmlns:a4j="https://ajax4jsf.dev.java.net/ajax";
| template="layout/template.xhtml">
|
| <ui:define name="body">
|
| <a4j:form ajaxSubmit="true">
|
| <rich:dataTable id="users"
| rows="10"
|
onRowMouseOver="this.style.backgroundColor='#F1F1F1'"
|
onRowMouseOut="this.style.backgroundColor='#{a4jSkin.tableBackgroundColor}'"
| var="usr"
| value="#{users}">
|
| <f:facet name="header">
| <rich:columnGroup>
| <rich:column><h:outputText
value="Edit User" /></rich:column>
| <rich:column><h:outputText
value="User Name" /></rich:column>
| <rich:column><h:outputText
value="First Name" /></rich:column>
| <rich:column><h:outputText
value="Middle Name" /></rich:column>
| <rich:column><h:outputText
value="Last Name" /></rich:column>
| </rich:columnGroup>
| </f:facet>
|
| <rich:column>
| <s:link
action="#{usermanager.editUser}" value="#{usr.id}"/>
| </rich:column>
|
| <rich:column><h:outputText
value="#{usr.username}" /></rich:column>
| <rich:column><h:outputText
value="#{usr.firstname}" /></rich:column>
| <rich:column><h:outputText
value="#{usr.middlename}" /></rich:column>
| <rich:column><h:outputText
value="#{usr.lastname}" /></rich:column>
|
| </rich:dataTable>
|
| <rich:spacer height="20" />
|
| <rich:datascroller for="users" maxPages="50" />
|
| <rich:tabPanel switchType="client">
|
| <rich:tab label="Information">
|
| <h:panelGrid columns="2">
|
| <h:outputText value="First
Name" />
| <h:inputText value="x"
id="fname" />
|
| <h:outputText value="Middle
Name" />
| <h:inputText value="b"
id="mname" />
|
| <h:outputText value="Last Name"
/>
| <h:inputText value="c"
id="lname" />
|
| </h:panelGrid>
|
| </rich:tab>
|
| <rich:tab label="Roles">
|
| this is where the users roles are listed
|
| </rich:tab>
|
| </rich:tabPanel>
|
| </a4j:form>
|
| </ui:define>
|
| </ui:composition>
|
|
Every thing is ok at startup...
But when i click on the slink, i get this...
|
| 14:56:56,515 ERROR [SeamPhaseListener] uncaught exception
| javax.el.ELException: javax.ejb.EJBException: java.lang.ClassCastException:
java.util.ArrayList cannot be cast to javax.faces.model.DataModel
|
|
Why is that?
I know this is a pretty easy question, my apologies, but any help would be
really appreciated...
Thanks
indy
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