Document Metadata Subscription - IHE

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IHE Technical Framework Supplement - Document Metadata Subscription (DSUB)4.4.2.1.4 Interaction Diagram4.4.2.1.4.1 Subscribe Request MessageFigure 4.4.2.1.4-1: Subscribe Sequence11504.4.2.1.4.1.1 TriggerA Notification Recipient's need to initiate a subscription will cause the Subscriber to trigger aSubscribe Request message.4.4.2.1.4.1.2 Message Semantics11551160The Subscribe Request message shall comply with the requirements in the WS-BaseNotificationstandard. Note that the value of the WS-Addressing Action element is prescribed in the standard,and differs from the requirements of Appendix V. The wsnt:ConsumerReference elementdescribes the Web Services end point where notifications must be sent. The wsnt:Filter elementshall contain the topics and values for these topics for which a notification shall be sent.Implementers of the pattern shall specify the topic content to be put within the wsnt:Filterelement. The wsnt:Filter element shall contain a TopicExpression element.4.4.2.1.4.1.2 Expected Actions1165The Notification Broker shall be capable of maintaining multiple concurrent Subscriptions.The Notification Broker shall keep track of each unique subscription and will provide a uniquesubscription reference which shall be used by the Subscriber to send subsequent cancellationsThe Subscriber may indicate the duration of the subscription using thewsnt:InitialTerminationTime element, where a time stamp (expressed as an XML Schema2009-08-10 48 Copyright © 2009: IHE International
IHE Technical Framework Supplement - Document Metadata Subscription (DSUB)dateTime data type value) or a duration (expressed as an XML Schema duration data type value)can be used.4.4.2.1.4.1.4 Example1170 1180 http://docs.oasis-open.org/wsn/bw-2/NotificationProducer/SubscribeRequest382dcdc7-8e84-9fdc-8443-48fd83bca9381185 1190 https://NotificationRecipientServer/xdsBnotification1195 2008-05-31T00:00:00.00000Z1200 4.4.2.1.4.2 Subscribe Response Message4.4.2.1.4.2.1 Trigger1205This message is an immediate response to a Subscribe Request, and it is sent from theNotification Broker to the Subscriber.4.4.2.1.4.2.1 Message Semantics12101215The Subscribe Response message shall comply with the requirements in the WS-BaseNotification standard, including the use of the appropriate SOAP Fault messages. Note thatthe value of the WS-Addressing Action element is prescribed in the standard, and differs fromthe requirements of Appendix V.The subscription identifier is assigned by the Notification Broker as a subscription reference,communicated in the response in the SOAP body inwsnt:SubscribeResponse/wsnt:SubscriptionReference (a WS-Addressing end point). Thesubscription reference shall consist of:• an Address element, containing a web services end point2009-08-10 49 Copyright © 2009: IHE International
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Document Metadata Subscription - IHE

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