Policy failures:

Code warning
- failed on resource UserManagerBean.java. Reason: Type safety: The expression of type List needs unchecked conversion to conform to List<Role>, line 71
- failed on resource ConferenceManagerBean.java. Reason: Type safety: The expression of type List needs unchecked conversion to conform to List<Role>, line 8
Override reason:   
d

YACOSCore/ejbModule/org/yacos/core/article/ArticleManagerBean.java

@@ -7,7 +7,7 @@ import javax.ejb.Stateless;
 import javax.persistence.EntityManager;
 import javax.persistence.NoResultException;
 import javax.persistence.PersistenceContext;
-import javax.persistence.Query;
+
 
 import org.yacos.core.users.User;
 
@@ -26,7 +26,9 @@ public class ArticleManagerBean implements IArticleManager, Serializable {
 		
 	}
 
-	public Article addArticle(Article a) {		
+	public Article addArticle(int reference, String title, String topic,String url_article, 
+			String mainAuthor, List<String> secondaryAuthor, int state) {
+		Article a = new Article(reference, title, topic, url_article, mainAuthor, secondaryAuthor, state);
 		em.persist(a);
 		return a;
 	}

YACOSCore/ejbModule/org/yacos/core/article/IArticleManager.java

@@ -2,12 +2,13 @@ package org.yacos.core.article;
 
 import java.util.List;
 import javax.ejb.Remote;
-import javax.persistence.EntityManager;
+
 
 @Remote
 public interface IArticleManager {
 	public Article getArticle(Integer id);
-	public Article addArticle(Article a);
+	public Article addArticle(int reference, String title, String topic,String url_article, 
+			String mainAuthor, List<String> secondaryAuthor, int state);
 	public void removeArticle(Article a);
 	public void updateArticle(Article article);
 	public List<Article> getArticles();

YACOSCore/ejbModule/org/yacos/core/conferences/ConferenceManagerBean.java

@@ -65,6 +65,7 @@ public class ConferenceManagerBean implements IConferenceManager {
 	
 	public void addRole(Role.RoleType roleType, User user, Conference conf) {
 		Role role = new Role(roleType, user, conf);
+		System.out.println(role);
 		em.persist(role);
 	}
 
@@ -76,6 +77,8 @@ public class ConferenceManagerBean implements IConferenceManager {
 		em.merge(role);
 	}
 	
+	//FIXME
+	//methode utile?
 	public List<Role> getRoles(){
 		return em.createQuery("from Role role").getResultList();
 		

YACOSCore/ejbModule/org/yacos/core/users/RolePK.java

@@ -2,6 +2,10 @@ package org.yacos.core.users;
 
 import java.io.Serializable;
 
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+
 import org.yacos.core.conferences.Conference;
 import org.yacos.core.users.Role.RoleType;
 
@@ -19,10 +23,16 @@ public class RolePK implements Serializable{
 	/**
 	 * Public key, as described here : http://www.jpox.org/docs/1_2/primary_key.html
 	 */
+	@Id
+	@ManyToOne(targetEntity=User.class,optional=false)
+	@JoinColumn(name="user_id",nullable=false)
 	public User user;
 	/**
 	 * Public key, as described here : http://www.jpox.org/docs/1_2/primary_key.html
 	 */
+	@Id
+	@ManyToOne(targetEntity=Conference.class,optional=false)
+	@JoinColumn(name="conference_id",nullable=false)
 	public Conference conference;
 
 	@Override

YACOSCore/ejbModule/org/yacos/core/users/UserManagerBean.java

@@ -68,7 +68,7 @@ public class UserManagerBean implements IUserManager{
 
 	public List<Role> getRoles() {
 		// TODO Auto-generated method stub
-		return null;
+		return em.createQuery("from Role").getResultList();
 	}
 	
 }