code: public long getDateLastVisitedBy(CmsDbContext dbc, String poolName, CmsUser user, CmsResource resource)
      throws CmsException {
  
          return m_subscriptionDriver.getDateLastVisitedBy(dbc, poolName, user, resource);
      }
docs: Returns the date when the resource was last visited by the user.<p>
  
  @param dbc the database context
  @param poolName the name of the database pool to use
  @param user the user to check the date
  @param resource the resource to check the date
  
  @return the date when the resource was last visited by the user
  
  @throws CmsException if something goes wrong