package org.itracker.persistence.dao;
   
   import java.util.List;
   
   import org.hibernate.HibernateException;
   import org.hibernate.Query;
   import org.itracker.model.Permission;
   import org.itracker.model.Project;
   import org.itracker.model.User;
  
  public class PermissionDAOImpl extends BaseHibernateDAOImpl<Permission> 
          implements PermissionDAO {
      
      @SuppressWarnings("unchecked")
      public List<Permission> findByUserId(Integer userId) {
          List<Permission> permissions;
          
          if (getSession().get(User.class, userId) == null) {
              throw new NoSuchEntityException("User " + userId + " not found.");
          }
          
          try {
              Query query = getSession().getNamedQuery(
                      "PermissionsByUserQuery");
              query.setInteger("userId", userId);
              permissions = query.list();
          } catch (HibernateException ex) {
              throw convertHibernateAccessException(ex);
          }
          return permissions;
      }
      
      @SuppressWarnings("unchecked")
      public List<Permission> findByProjectIdAndPermission(Integer projectId, 
              int permissionType) {
          List<Permission> permissions;
          
          if (getSession().get(Project.class, projectId) == null) {
              throw new NoSuchEntityException("Project " + projectId + " not found.");
          }
          
          try {
              Query query = getSession().getNamedQuery(
                      "PermissionsByProjectAndTypeQuery");
              query.setInteger("projectId", projectId);
              query.setInteger("permissionType", permissionType);
              permissions = query.list();
          } catch (HibernateException ex) {
              throw convertHibernateAccessException(ex);
          }
          return permissions;
      }
  
  }