Merge pull request #1400 from hapifhir/2023-08-gg-profile-code-genera…

…tion

First cut at profile code generation

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/profilemodel/PEBuilder.java

@@ -30,7 +30,7 @@
  * *** NOTE: This sub-system is still under development ***
  * 
  * This subsystem takes a profile and creates a view of the profile that stitches
- * all the parts together, and presents it as a seemless tree. There's two views:
+ * all the parts together, and presents it as a seamless tree. There's two views:
  * 
  *  - definition: A logical view of the contents of the profile 
  *  - instance: a logical view of a resource that conforms to the profile

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/profilemodel/PEDefinition.java

@@ -294,6 +294,26 @@ public boolean isBaseList() {
     return !"1".equals(definition.getBase().getMax());
   }
 
+
+  public StructureDefinition getProfile() {
+    return profile;
+  }
+
+
+  public boolean isKeyElement() {
+    boolean selfKey = definition.getMustSupport() || definition.getMustHaveValue() || min() > 0 || definition.hasCondition();
+    if (isProfiled() && !selfKey) {
+      if (types() != null && types().size() > 0) {
+        for (PEDefinition child : children()) {
+          if (child.isKeyElement()) {
+            return true;
+          }
+        }
+      }
+    }
+    return selfKey;
+  }
+
 }
 
 

org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/profilemodel/PEInstance.java

@@ -13,6 +13,7 @@
 import org.hl7.fhir.r5.model.DataType;
 import org.hl7.fhir.r5.model.DateTimeType;
 import org.hl7.fhir.r5.model.HumanName;
+import org.hl7.fhir.r5.context.IWorkerContext;
 import org.hl7.fhir.r5.model.Address;
 import org.hl7.fhir.r5.model.PrimitiveType;
 import org.hl7.fhir.r5.model.Quantity;
@@ -240,4 +241,14 @@ public String getPath() {
   public Base getBase() {
     return data;
   }
+
+  public boolean hasChild(String name) {
+    PEDefinition child = byName(definition.children(), name);
+    List<Base> instances = builder.exec(resource, data, child.fhirpath());
+    return !instances.isEmpty();
+  }
+
+  public IWorkerContext getContext() {
+    return builder.getContext();
+  }
 }