public Permission getPermissionById(Object permissionId) { return (permissionId != null) ? (Permission) idMap.get(permissionId) : null; }
public Permission getPermissionById(Object permissionId) { return (permissionId != null) ? (Permission) super .getById(permissionId) : null; }
    public Permission getPermissionById(Object permissionId)    {        return (permissionId != null)                 ? (Permission) idMap.get(permissionId) : null;    }