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47 descriptive information about each framework. This information can be used to support
service discovery and populate service registries. This operation shall be supported for all servers that implement data joining, as identified
in section 6.1.2.
13.2 DescribeJoinAbilities operation request
13.2.1 DescribeJoinAbilities request parameters
A request to perform the DescribeJoinAbilities operation shall include the parameters listed in Table 55. This table also specifies the source of values and multiplicity of each
listed parameter, plus the meaning to servers when each optional parameter is not included in the operation request.
Table 55 — Parameters in DescribeJoinAbilities operation request
Names Definition
Data type and values Multiplicity and use
service Service type identifier
Character String type, not empty Value is “TJS”
One mandatory request
Operation name Character String type, not empty
Value is “DescribeJoinAbilities” One mandatory
version Service version
identifier Character String type, not empty
Value is “1.0” Zero or one optional
When included, return the matching version
When omitted, return latest supported
version language
Language identifier for human readable text
Character String type, not empty Value is a two or five character
IETF RFC 4646 language identifier
Zero or one optional For use see section 7.6
NOTE 1 The parameters shaded in gray above are largely copied from Table 3 in Subclause 7.3 of this document.
13.2.2 DescribeJoinAbilities request KVP encoding
mandatory
Servers shall implement HTTP GET transfer of the DescribeJoinAbilities operation request, using KVP encoding. The KVP encoding of this request shall use the parameters
specified in Table 55.
EXAMPLE An example DescribeJoinAbilities operation request KVP encoded for HTTP GET is:
http:foo.barfoo? Service=TJS
Version=1.0 Request=DescribeJoinAbilities
Language=en-CA
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13.2.3 DescribeJoinAbilities request XML encoding
optional
Servers may also implement HTTP POST transfer of the DescribeJoinAbilities operation request, using XML encoding only, in accordance with the
tjsDescribeJoinAbilities_request.xsd XML schema.
13.3 DescribeJoinAbilities operation response