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fix bug where partially generated snapshot hangs around after snapshot generation fails

This commit is contained in:
Grahame Grieve 2019-03-17 09:09:46 +11:00
parent b0260fbfd8
commit 334d23b81a
1 changed files with 47 additions and 42 deletions
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89
org.hl7.fhir.r5/src/main/java/org/hl7/fhir/r5/conformance/ProfileUtilities.java
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@ -408,55 +408,60 @@ public class ProfileUtilities extends TranslatingUtilities {
derived.setSnapshot(new StructureDefinitionSnapshotComponent());
// so we have two lists - the base list, and the differential list
// the differential list is only allowed to include things that are in the base list, but
// is allowed to include them multiple times - thereby slicing them
try {
// so we have two lists - the base list, and the differential list
// the differential list is only allowed to include things that are in the base list, but
// is allowed to include them multiple times - thereby slicing them
// our approach is to walk through the base list, and see whether the differential
// says anything about them.
int baseCursor = 0;
int diffCursor = 0; // we need a diff cursor because we can only look ahead, in the bound scoped by longer paths
// our approach is to walk through the base list, and see whether the differential
// says anything about them.
int baseCursor = 0;
int diffCursor = 0; // we need a diff cursor because we can only look ahead, in the bound scoped by longer paths
if (derived.hasDifferential() && !derived.getDifferential().getElementFirstRep().getPath().contains(".") && !derived.getDifferential().getElementFirstRep().getType().isEmpty())
throw new Error("type on first differential element!");
if (derived.hasDifferential() && !derived.getDifferential().getElementFirstRep().getPath().contains(".") && !derived.getDifferential().getElementFirstRep().getType().isEmpty())
throw new Error("type on first differential element!");
for (ElementDefinition e : derived.getDifferential().getElement())
e.clearUserData(GENERATED_IN_SNAPSHOT);
// we actually delegate the work to a subroutine so we can re-enter it with a different cursors
for (ElementDefinition e : derived.getDifferential().getElement())
e.clearUserData(GENERATED_IN_SNAPSHOT);
processPaths("", derived.getSnapshot(), base.getSnapshot(), derived.getDifferential(), baseCursor, diffCursor, base.getSnapshot().getElement().size()-1,
derived.getDifferential().hasElement() ? derived.getDifferential().getElement().size()-1 : -1, url, webUrl, derived.getId(), null, null, false, base.getUrl(), null, false, new ArrayList<ElementRedirection>());
if (!derived.getSnapshot().getElementFirstRep().getType().isEmpty())
throw new Error("type on first snapshot element for "+derived.getSnapshot().getElementFirstRep().getPath()+" in "+derived.getUrl()+" from "+base.getUrl());
updateMaps(base, derived);
setIds(derived, false);
if (DEBUG) {
System.out.println("Differential: ");
for (ElementDefinition ed : derived.getDifferential().getElement())
System.out.println(" "+ed.getPath()+" : "+typeSummaryWithProfile(ed)+"["+ed.getMin()+".."+ed.getMax()+"]"+sliceSummary(ed)+" id = "+ed.getId()+" "+constraintSummary(ed));
System.out.println("Snapshot: ");
for (ElementDefinition ed : derived.getSnapshot().getElement())
System.out.println(" "+ed.getPath()+" : "+typeSummaryWithProfile(ed)+"["+ed.getMin()+".."+ed.getMax()+"]"+sliceSummary(ed)+" id = "+ed.getId()+" "+constraintSummary(ed));
}
//Check that all differential elements have a corresponding snapshot element
for (ElementDefinition e : derived.getDifferential().getElement()) {
if (!e.hasUserData(GENERATED_IN_SNAPSHOT)) {
System.out.println("Error in snapshot generation: Differential for "+derived.getUrl()+" with id: " + e.getId()+" has an element that is not marked with a snapshot match");
if (exception)
throw new DefinitionException("Snapshot for "+derived.getUrl()+" does not contain an element that matches an existing differential element that has id: " + e.getId());
else
messages.add(new ValidationMessage(Source.ProfileValidator, ValidationMessage.IssueType.VALUE, url, "Snapshot for "+derived.getUrl()+" does not contain an element that matches an existing differential element that has id: " + e.getId(), ValidationMessage.IssueSeverity.ERROR));
// we actually delegate the work to a subroutine so we can re-enter it with a different cursors
processPaths("", derived.getSnapshot(), base.getSnapshot(), derived.getDifferential(), baseCursor, diffCursor, base.getSnapshot().getElement().size()-1,
derived.getDifferential().hasElement() ? derived.getDifferential().getElement().size()-1 : -1, url, webUrl, derived.getId(), null, null, false, base.getUrl(), null, false, new ArrayList<ElementRedirection>());
if (!derived.getSnapshot().getElementFirstRep().getType().isEmpty())
throw new Error("type on first snapshot element for "+derived.getSnapshot().getElementFirstRep().getPath()+" in "+derived.getUrl()+" from "+base.getUrl());
updateMaps(base, derived);
setIds(derived, false);
if (DEBUG) {
System.out.println("Differential: ");
for (ElementDefinition ed : derived.getDifferential().getElement())
System.out.println(" "+ed.getPath()+" : "+typeSummaryWithProfile(ed)+"["+ed.getMin()+".."+ed.getMax()+"]"+sliceSummary(ed)+" id = "+ed.getId()+" "+constraintSummary(ed));
System.out.println("Snapshot: ");
for (ElementDefinition ed : derived.getSnapshot().getElement())
System.out.println(" "+ed.getPath()+" : "+typeSummaryWithProfile(ed)+"["+ed.getMin()+".."+ed.getMax()+"]"+sliceSummary(ed)+" id = "+ed.getId()+" "+constraintSummary(ed));
}
}
if (derived.getDerivation() == TypeDerivationRule.SPECIALIZATION) {
for (ElementDefinition ed : derived.getSnapshot().getElement()) {
if (!ed.hasBase()) {
ed.getBase().setPath(ed.getPath()).setMin(ed.getMin()).setMax(ed.getMax());
//Check that all differential elements have a corresponding snapshot element
for (ElementDefinition e : derived.getDifferential().getElement()) {
if (!e.hasUserData(GENERATED_IN_SNAPSHOT)) {
System.out.println("Error in snapshot generation: Differential for "+derived.getUrl()+" with id: " + e.getId()+" has an element that is not marked with a snapshot match");
if (exception)
throw new DefinitionException("Snapshot for "+derived.getUrl()+" does not contain an element that matches an existing differential element that has id: " + e.getId());
else
messages.add(new ValidationMessage(Source.ProfileValidator, ValidationMessage.IssueType.VALUE, url, "Snapshot for "+derived.getUrl()+" does not contain an element that matches an existing differential element that has id: " + e.getId(), ValidationMessage.IssueSeverity.ERROR));
}
}
if (derived.getDerivation() == TypeDerivationRule.SPECIALIZATION) {
for (ElementDefinition ed : derived.getSnapshot().getElement()) {
if (!ed.hasBase()) {
ed.getBase().setPath(ed.getPath()).setMin(ed.getMin()).setMax(ed.getMax());
}
}
}
} catch (Exception e) {
// if we had an exception generating the snapshot, make sure we don't leave any half generated snapshot behind
derived.setSnapshot(null);
throw e;
}
}