...
Abstractly, the design corresponds to the following concentric context levels:
| Context type | Class(es) | Optionality |
|---|---|---|
| EHR commit bucket; business event context | COMPOSITION | M |
| Documentary | DOCUMENT_ITEM, SECTION |
| O | ||
| Workflow | ENTRY_GROUP | O |
| Clinical statement | ENTRY | M |
The following UML diagram shows the changed model.
This structure enables the following hierarchical structures to be instantiated:
...
Consequently, current openEHR 1.0.3 structures are preserved, but new instance structures including ENTRY_GROUP could be created.