major classes refactoring

src/main/java/com/commafeed/backend/dao/UserRoleDAO.java

@@ -0,0 +1,29 @@
+package com.commafeed.backend.dao;
+
+import java.util.List;
+import java.util.Set;
+
+import javax.ejb.Stateless;
+
+import com.commafeed.backend.model.User;
+import com.commafeed.backend.model.UserRole;
+import com.commafeed.backend.model.UserRole.Role;
+import com.commafeed.frontend.utils.ModelFactory.MF;
+import com.google.common.collect.Sets;
+
+@SuppressWarnings("serial")
+@Stateless
+public class UserRoleDAO extends GenericDAO<UserRole> {
+
+	public List<UserRole> findAll(User user) {
+		return findByField(MF.i(MF.p(UserRole.class).getUser()), user);
+	}
+
+	public Set<Role> findRoles(User user) {
+		Set<Role> list = Sets.newHashSet();
+		for (UserRole role : findByField(MF.i(proxy().getUser()), user)) {
+			list.add(role.getRole());
+		}
+		return list;
+	}
+}