Use
addStudent.xhtml
| <s:validateAll>
| <h:outputLabel for="studentlist" value="Pick students" />
| <h:selectManyListbox id="studentlist" size="14" required="true"
value="#{workgroupStudentManager.workgroupSelectedStudents}">
| <s:selectItems value="#{workgroupAvailableStudents}" var="student"
label="#{student.firstName} #{student.prefix} #{student.lastName}"/>
| <s:convertEntity/>
| </h:selectManyListbox>
| </s:validateAll>
|
WorkgroupStudentDetail.java
| @Stateful
| @Name("workgroupStudentManager")
| @Scope(ScopeType.CONVERSATION)
| @Conversational
| public class WorkgroupStudentDetail implements
WorkgroupStudentDetailInterface {
| @In
| private EntityManager entityManager;
|
| @In(required = false)
| @Out(required = false)
| private Collection<Person> workgroupAvailableStudents;
|
| private Collection<Person> workgroupSelectedStudents;
| // Getters and setters for workGroupSelectedStudents
|
| @Begin (join = true, flushMode = FlushModeType.MANUAL)
| @Factory("workgroupAvailableStudents")
| public void findStudents() {
| try {
| workgroupAvailableStudents = (Collection<Person>)
entityManager.createQuery("SELECT DISTINCT Object(per) FROM Person
per").getResultList();
| } catch (Exception e) {
| log.error("Exception occurred in findStudents()
[WorkgroupStudentDetail].", e);
| }
| }
|
| // ..
| }
|
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