Candidate Standard

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The approach to communicating Rights Share claims and requests for Rights Share claims defined in this clause is asymmetric: only one party will need to publish and maintain a Web Service. The other party will need call these Web Services and thus initiate the communication.

As a consequence the party that calls the Web Service determines the speed of the communication. Whenever that party is able or interested to receive information, it can call its business partner’s Web Service. It is then the responsibility of that party to deliver the appropriate information.

This standard defines two Web Service choreographies:

  • One where the information is exchanged directly between (prospective) Licensee and (prospective) Licensor; and
  • One where the information is exchanged via a central Hub.

In both cases, two Web Service interfaces are defined:

  • The Web Service interfaces offered by company that wishes to receive MusicalWorkRightsClaimRequestMessage from its business partners; and
  • The Web Service interfaces offered by company that wishes to receive MusicalWorkRightsClaimNotificationMessage from its business partners.

Theses choreographies and interfaces are depicted below. Figures shows the direct communucation between (prospective) Licensee and (prospective) Licensor whereas Figure 5 depicts the Hub-based approach. The individual steps in the choreography are then defined in Clauses 5.3.2 and 5.3.3.

Figure 4:  Web Service Choreography – direct communication


 


 

Figure 5:  Web Service Choreography – communication via a central Hub

 

 
Specifically not shown in the diagrams is the approach to exception handling.  

It is for instance possible that a (prospective) Licensee requests a the delivery of a MusicalWorkRightsClaimNotificationMessage based on the information received on an earlier delivery request command – but that that MusicalWorkRightsClaimNotificationMessage no longer exists at that URL. In that case the response from the (prospective) Licensor’s or hub's Web Service could be a “redirect” with a 301 status code which could trigger the (prospective) Licensee to request the MusicalWorkRightsClaimNotificationMessage using the information received in that reply.

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