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1. Added a FHIRTermService.lookup overload which allows the caller to pass the specific version of the CodeSystem to use. Previously, I found that we were passing a CodeSystem to validateCode but this method delegated to lookup which fetched its own CodeSystem. This was problematic when the Coding didn't specify a particular CodeSystem version when the underlying profile constraint did. 2. Moved logic for generating `conformsTo` constraints (generated-ext-1) for each extension in the resource instance. Now it will be grouped with the rest of the constraints and we can introspect those other constraints to shape the constraint generation. - To implement this, I introduced a new "PathAwareCollectingVisitor" although alternatively I could have executed a FHIRPath like `descendents(extension)` - Instead of a constraint like `conformTo(url)` which will only validate against the latest version of this extension in the registry, we now generate an expression like `conformTo(url|1) or conformTo(url|2) or conformTo(url|3)` ...one clause for each version in the registry. Signed-off-by: Lee Surprenant <lmsurpre@us.ibm.com>
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fhir-model/src/main/java/com/ibm/fhir/model/visitor/PathAwareCollectingVisitor.java
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| /* | ||
| * (C) Copyright IBM Corp. 2022 | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package com.ibm.fhir.model.visitor; | ||
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| import java.math.BigDecimal; | ||
| import java.time.LocalDate; | ||
| import java.time.LocalTime; | ||
| import java.time.Year; | ||
| import java.time.YearMonth; | ||
| import java.time.ZonedDateTime; | ||
| import java.util.Collections; | ||
| import java.util.LinkedHashMap; | ||
| import java.util.Map; | ||
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| /** | ||
| * Visits a Resource or Element and collects all of its descendants of a given type into a collection | ||
| * of those elements, indexed by their simple FHIRPath path. | ||
| * | ||
| * @param <T> The type of object to collect | ||
| * @implNote The order of the list will be consistent with a depth-first traversal of the visited object | ||
| */ | ||
| public class PathAwareCollectingVisitor<T> extends PathAwareVisitor { | ||
| protected final Map<String, T> result = new LinkedHashMap<>(); | ||
| protected final Class<T> type; | ||
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| public PathAwareCollectingVisitor(Class<T> type) { | ||
| super(); | ||
| this.type = type; | ||
| } | ||
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| protected void collect(Object object) { | ||
| if (type.isInstance(object)) { | ||
| result.put(getPath(), type.cast(object)); | ||
| } | ||
| } | ||
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| public Map<String, T> getResult() { | ||
| return Collections.unmodifiableMap(result); | ||
| } | ||
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| @Override | ||
| public boolean visit(java.lang.String elementName, int elementIndex, Visitable visitable) { | ||
| collect(visitable); | ||
| return true; | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, byte[] value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, BigDecimal value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, java.lang.Boolean value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, java.lang.Integer value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, LocalDate value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, LocalTime value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, java.lang.String value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, Year value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, YearMonth value) { | ||
| collect(value); | ||
| } | ||
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| @Override | ||
| public void doVisit(java.lang.String elementName, ZonedDateTime value) { | ||
| collect(value); | ||
| } | ||
| } |
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