148 class creation_date(RelationType):

   148 class creation_date(RelationType):

   149     """creation time of an entity"""

   149     """creation time of an entity"""

   150     __permissions__ = PUB_SYSTEM_ATTR_PERMS

   150     __permissions__ = PUB_SYSTEM_ATTR_PERMS

   151     cardinality = '11'

   151     cardinality = '11'

   152     subject = '*'

   152     subject = '*'

   154 

   155 

   155 class modification_date(RelationType):

   156 class modification_date(RelationType):

   156     """latest modification time of an entity"""

   157     """latest modification time of an entity"""

   157     __permissions__ = PUB_SYSTEM_ATTR_PERMS

   158     __permissions__ = PUB_SYSTEM_ATTR_PERMS

   158     cardinality = '11'

   159     cardinality = '11'

   159     subject = '*'

   160     subject = '*'

   161 

   163 

   162 class cwuri(RelationType):

   164 class cwuri(RelationType):

   163     """internal entity uri"""

   165     """internal entity uri"""

   164     __permissions__ = RO_ATTR_PERMS

   166     __permissions__ = RO_ATTR_PERMS

   165     cardinality = '11'

   167     cardinality = '11'