View Identity Subjects
The View Identity subject represents a particular view, screen or presentation for each application in a context sharing setting. The View subject collectively renders a coordinated series of data to support a user’s task. Views are site specific and are defined to accommodate specific user roles, a specific user, and specific groups of users. The data values for View subjects are an alphanumeric strings and items.
View subjects have the following attributes:
| Subject Label | “View” |
| Subject type | Identity |
| Synchronization | Temporary |
| Security | None |
| Subject Dependencies | None |
| Mapping Agent Coupon Value | -10 |
A View mapping agent configures site-specific mappings of View data values to accommodate different applications in the context system. A site-defined suffix is used with the name of the subject's identifier items. A View-Link-enabled application should be configurable to use site-specific suffixes to set and get view context data.
All View-Link-enabled applications are required to support the pre-defined View subject values “Stay” and “Home”. “Stay” means an application should not change its current view or when not possible to remain in the current view should present a view close to the current view. “Home” means that the application should display its highest-level view or its default view. The View mapping agent can be used to set the View subject's value for an application to one of the pre-defined values in the previous table or set it to empty. This allows an application to be unconstrained in its response to a view context change by another application.
An application should not set the View context when it is a participant in a context change transaction instigated by another application.
View subjects have the following standard context data items listed in the following table:
| View Subject Identifier Item Name | Meaning | Data Type | Semantic Constraints on Values | Case Sensitivity |
|---|---|---|---|---|
| View.Id.View.Suffix | The application view to be presented | ST | None | No |
Examples of View Subject Items are listed in the following table:
| Example Item Names | Example Item Values |
|---|---|
| View.Id.View.PM_Clinical Workstation | Meds |
| View.Id.View.RadView | Medications |
| User.Id.Logon.CareView | gs1229 |
| View.Id.View.RisView | MedicationHistory |