Examples with QueryLetRef org.hl7.elm.r1.QueryLetRef used on opensource projects

Example 1 with QueryLetRef

use of org.hl7.elm.r1.QueryLetRef in project quality-measure-and-cohort-service by Alvearie.

the class PathCaptureContext method reportProperty.

public void reportProperty(Property elm) {
    // Log guarding to prevent some of the parameter resolution logic from getting called unnecessarily
    if (LOG.isTraceEnabled()) {
        LOG.trace("Property {} source {}", elm.getPath(), elm.getSource() != null ? elm.getSource().getClass().getSimpleName() : null);
    }
    Set<QName> modelTypeNames = null;
    if (elm.getScope() != null || elm.getSource() instanceof AliasRef) {
        String aliasName = (elm.getScope() != null) ? elm.getScope() : ((AliasRef) elm.getSource()).getName();
        QueryAliasContext aliasContext = getCurrentQueryContext().resolveAlias(aliasName);
        if (aliasContext == null) {
            aliasContext = getCurrentExpressionContext().resolveAlias(aliasName);
        }
        modelTypeNames = ElmUtils.getModelTypeNames(aliasContext.getAliasedQuerySource().getExpression());
    } else if (elm.getSource() instanceof QueryLetRef) {
        String letName = ((QueryLetRef) elm.getSource()).getName();
        QueryLetContext letContext = getCurrentQueryContext().resolveLet(letName);
        if (letContext == null) {
            letContext = getCurrentExpressionContext().resolveLet(letName);
        }
        modelTypeNames = ElmUtils.getModelTypeNames(letContext.getLetClause().getExpression());
    } else {
        // There are times when the scope is null. I've noticed this particularly when referencing properties
        // of another expression result
        modelTypeNames = ElmUtils.getModelTypeNames(elm.getSource());
    }
    LOG.trace("ModelTypeNames {}", modelTypeNames);
    if (modelTypeNames != null) {
        for (QName qname : modelTypeNames) {
            pathsByQName.computeIfAbsent(qname, key -> new HashSet<>()).add(elm.getPath());
        }
    }
}