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Updated to handle recursion on expansion.contains

This commit is contained in:
Lloyd McKenzie 2021-06-04 13:18:27 -06:00
parent c11312de78
commit 3c543b72ce
1 changed files with 20 additions and 8 deletions
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28
org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/terminologies/ValueSetCheckerSimple.java
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@ -489,19 +489,31 @@ public class ValueSetCheckerSimple extends ValueSetWorker implements ValueSetChe
}
}
} else if (valueset.hasExpansion()) {
for (ValueSetExpansionContainsComponent c: valueset.getExpansion().getContains()) {
if (c.getCode().equals(code)) {
if (sys == null)
sys = c.getSystem();
else
return null;
}
}
// Retrieve a list of all systems associated with this code in the expansion
List<String> systems = new ArrayList<String>();
checkSystems(valueset.getExpansion().getContains(), code, systems);
if (systems.size()==1)
sys = systems.get(0);
}
return sys;
}
/*
* Recursively go through all codes in the expansion and for any coding that matches the specified code, add the system for that coding
* to the passed list.
*/
private void checkSystems(List<ValueSetExpansionContainsComponent> contains, String code, List<String> systems) {
for (ValueSetExpansionContainsComponent c: contains) {
if (c.getCode().equals(code)) {
if (!systems.contains(c.getSystem()))
systems.add(c.getSystem());
}
if (c.hasContains())
checkSystems(c.getContains(), code, systems);
}
}
@Override
public Boolean codeInValueSet(String system, String code) throws FHIRException {
Boolean result = false;