The only change from the original is line 37 for line 36:
//$Id: MessageListBean.java,v 1.2 2006/01/14 20:13:46 gavin Exp $
| package org.jboss.seam.example.messages;
|
| import static org.jboss.seam.ScopeType.SESSION;
| import static javax.persistence.PersistenceContextType.EXTENDED;
|
| import java.io.Serializable;
| import java.util.List;
|
| import javax.ejb.Interceptors;
| import javax.ejb.Remove;
| import javax.ejb.Stateful;
| import javax.persistence.EntityManager;
| import javax.persistence.PersistenceContext;
|
| import org.jboss.seam.annotations.Destroy;
| import org.jboss.seam.annotations.Factory;
| import org.jboss.seam.annotations.Name;
| import org.jboss.seam.annotations.Out;
| import org.jboss.seam.annotations.Scope;
| import org.jboss.seam.annotations.datamodel.DataModel;
| import org.jboss.seam.annotations.datamodel.DataModelSelection;
| import org.jboss.seam.ejb.SeamInterceptor;
|
| @Stateful
| @Scope(SESSION)
| @Name("messageList")
| @Interceptors(SeamInterceptor.class)
| public class MessageListBean implements Serializable, MessageList
| {
|
| @DataModel
| private List<Message> messages;
|
| @Out(required=false)
| // @DataModelSelection
| @DataModelSelection("message")
| private Message message;
|
| @PersistenceContext(type=EXTENDED)
| private EntityManager em;
|
| @Factory("messages")
| public void findMessages()
| {
| messages = em.createQuery("from Message msg order by msg.datetime
desc").getResultList();
| }
|
| public String select()
| {
| message.setRead(true);
| return "selected";
| }
|
| public String delete()
| {
| messages.remove(message);
| em.remove(message);
| message=null;
| return "deleted";
| }
|
| @Remove @Destroy
| public void destroy() {}
|
| }
|
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