ITI Technical Framework - IHE

2025IHE IT Infrastructure Technical Framework, Volume 2a (ITI TF-2a): Transactions Part A_________________________________________________________________________________3.13.4.1 Follow Context – ContextChangesPending MethodThe ContextChangesPending method is invoked by the Context Manager Actor to survey contextparticipant actors with regard to acceptability of changes proposed by a Patient Context Participant orClient Authentication Agent Actors.3.13.4.1.1 Trigger EventsThe ContextChangesPending method is triggered when the Context Manager receives invocation of theEndContextChanges method.203020353.13.4.1.2 Message SemanticsContextChangesPending is defined as a method on the ContextParticipant interface and allows theContext Manager to survey a context participant as to whether or not it is ready to follow the changes inthe context.In the invocation of this method, the Context Manager shall provide the pending context’s coupon.Refer to the HL7 Context Management “CCOW” Standard: Technology and Subject-IndependentArchitecture document, Section 17.3.7.2, for a description of the parameters associated with thismethod.3.13.4.1.3 Expected Actions20402045Performing the ContextChangesPending method, the Patient Context Participant or User ContextParticipant Actor makes a decision whether or not it can accept change of context (for example due tooperation being in progress). To reach this decision, it may invoke the GetItemValues method to inspectproposed new values in the context.As a response, a Context Participant Actor will respond with an indication to Accept or ConditionallyAccept the proposed change. Refer to the HL7 Context Management “CCOW” Standard: Technologyand Subject-Independent Architecture document, Section 17.3.7.2, for the specifics of the responseformation.3.13.4.2 Follow Context – ContextChangesAccepted MethodThe ContextChangesAccepted method is invoked by the Context Manager Actor to confirm to thecontext participants that instigator of change accepted proposed changes.20503.13.4.2.1 Trigger EventsThe ContextChangesAccepted method is triggered when the Context Manager receives invocation of thePublishChangesDecision method indicating that the changes have been accepted.3.13.4.2.2 Message Semantics2055ContextChangesAccepted is defined as a method on the ContextParticipant interface and allows theContext Manager to inform a context participant that the context value(s) have been changed.In the invocation of this method, the Context Manager provides the new context coupon._________________________________________________________________________________Rev. 7.0 Final Text 2010-08-10 90 Copyright © 2010 IHE International, Inc.