Gets the link groups of a universe published to a CMS repository.
In a relational universe, a link group is a set of business objects sharing a dependency link that is expressed in the universe data source model (data foundation) or the universe semantic layer model (business layer). A link group can be one of the following:
It is based on the data foundation and it expresses relationships between objects, such as a dimension and another dimension, or a dimension and a measure. A data link group can only contain dimensions and measures. A data link group can be seen as a measure group if it contains at least one measure.
It is based on the business layer and it expresses relationships between objects, such as a dimension and an attribute. A semantic link group must contain one dimension and its associated attributes if any.
A link group cannot be included into another link group. Link groups can have common dimensions or measures.
A universe contains at least one link group, otherwise it is empty.
GET <slURL>/universes/{universeId}/linkgroups
Where:
Response type: application/xml
Response body:
<?xml version="1.0" encoding="UTF-8"?> <linkGroups> <linkGroup type="semantic|data"> <link name="..." id="..."/> <link name="..." id="..."/> ... </linkGroup> ... </linkGroups>
Where:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <linkGroups xmlns="http://www.sap.com/rws/sl/universe"> <linkGroup type="semantic"> <link name="Customer|folder\Customer|dimension" id="OBJ_13"/> <link name="Customer|folder\Customer|dimension\Age|attribute" id="OBJ_9"/> </linkGroup> <linkGroup type="data"> <link name="Resort|folder\Service|dimension" id="OBJ_5"/> <link name="Sales|folder\Sales Date|dimension" id="OBJ_23"/> <link name="Resort|folder\Service Line|dimension" id="OBJ_4"/> <link name="Customer|folder\Customer|dimension" id="OBJ_13"/> <link name="Resort|folder\Resort|dimension" id="OBJ_2"/> <link name="Resort|folder\Resort Country|dimension" id="OBJ_6"/> <link name="Customer|folder\Customer Country|dimension" id="OBJ_17"/> <link name="Measures|folder\Revenue|measure" id="OBJ_7"/> <link name="Measures|folder\Number of guests|measure" id="OBJ_20"/> </linkGroup> <linkGroup type="data"> <link name="Resort|folder\Service|dimension" id="OBJ_5"/> <link name="Reservations|folder\Reservation Date|dimension" id="OBJ_30"/> <link name="Resort|folder\Service Line|dimension" id="OBJ_4"/> <link name="Customer|folder\Customer|dimension" id="OBJ_13"/> <link name="Resort|folder\Resort|dimension" id="OBJ_2"/> <link name="Resort|folder\Resort Country|dimension" id="OBJ_6"/> <link name="Customer|folder\Customer Country|dimension" id="OBJ_17"/> <link name="Measures|folder\Future guests|measure" id="OBJ_37"/> </linkGroup> </linkGroups>