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package com.sun.faces.demo.controller;
import com.sun.faces.demo.model.Topics;
import java.util.Collection;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.PersistenceUnit;
import javax.persistence.Query;
/**
*
* @author netdance
*/
@ManagedBean(name="forum")
@RequestScoped
public class ForumController {
@PersistenceUnit private EntityManagerFactory emf;
private Collection<Topics> topics;
private static String title = "JSF Forum";
public Collection<Topics> getTopics() {
EntityManager em = emf.createEntityManager();
try {
//create an instance of the NamedQuery defined in the Inventory class.
Query query = em.createNamedQuery("Topics.findAll");
return query.getResultList();
}finally{
em.close();
}
}
protected void addTopic(Topics topic) {
topics.add(topic);
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}