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Example 71 with Expression

use of org.hl7.fhir.r4b.model.Expression in project org.hl7.fhir.core by hapifhir.

the class GraphQLEngine method processValues.

private void processValues(Resource context, Selection sel, Property prop, ObjectValue target, List<Base> values, boolean extensionMode, boolean inheritedList, String suffix) throws EGraphQLException, FHIRException {
    boolean il = false;
    Argument arg = null;
    ExpressionNode expression = null;
    if (sel.getField().hasDirective("slice")) {
        Directive dir = sel.getField().directive("slice");
        String s = ((StringValue) dir.getArguments().get(0).getValues().get(0)).getValue();
        if (s.equals("$index"))
            expression = magicExpression;
        else
            expression = fpe.parse(s);
    }
    if (// special: instruction to drop this node...
    sel.getField().hasDirective("flatten"))
        il = prop.isList() && !sel.getField().hasDirective("first");
    else if (sel.getField().hasDirective("first")) {
        if (expression != null)
            throw new FHIRException("You cannot mix @slice and @first");
        arg = target.addField(sel.getField().getAlias() + suffix, listStatus(sel.getField(), inheritedList));
    } else if (expression == null)
        arg = target.addField(sel.getField().getAlias() + suffix, listStatus(sel.getField(), prop.isList() || inheritedList));
    int index = 0;
    for (Base value : values) {
        String ss = "";
        if (expression != null) {
            if (expression == magicExpression)
                ss = suffix + '.' + Integer.toString(index);
            else
                ss = suffix + '.' + fpe.evaluateToString(null, null, null, value, expression);
            if (!sel.getField().hasDirective("flatten"))
                arg = target.addField(sel.getField().getAlias() + suffix, listStatus(sel.getField(), prop.isList() || inheritedList));
        }
        if (value.isPrimitive() && !extensionMode) {
            if (!sel.getField().getSelectionSet().isEmpty())
                throw new EGraphQLException("Encountered a selection set on a scalar field type");
            processPrimitive(arg, value);
        } else {
            if (sel.getField().getSelectionSet().isEmpty())
                throw new EGraphQLException("No Fields selected on a complex object");
            if (arg == null)
                processObject(context, value, target, sel.getField().getSelectionSet(), il, ss);
            else {
                ObjectValue n = new ObjectValue();
                arg.addValue(n);
                processObject(context, value, n, sel.getField().getSelectionSet(), il, ss);
            }
        }
        if (sel.getField().hasDirective("first"))
            return;
        index++;
    }
}
Also used : ObjectValue(org.hl7.fhir.utilities.graphql.ObjectValue) Argument(org.hl7.fhir.utilities.graphql.Argument) StringValue(org.hl7.fhir.utilities.graphql.StringValue) Directive(org.hl7.fhir.utilities.graphql.Directive) FHIRException(org.hl7.fhir.exceptions.FHIRException) EGraphQLException(org.hl7.fhir.utilities.graphql.EGraphQLException)

Example 72 with Expression

use of org.hl7.fhir.r4b.model.Expression in project org.hl7.fhir.core by hapifhir.

the class GraphDefinitionEngine method processLinkPath.

private void processLinkPath(String focusPath, Resource focus, GraphDefinitionLinkComponent link, int depth) {
    String path = focusPath + " -> " + link.getPath();
    check(link.hasPath(), "Path is needed at " + path);
    check(!link.hasSliceName(), "SliceName is not yet supported at " + path);
    ExpressionNode node;
    if (link.getPathElement().hasUserData(TAG_NAME)) {
        node = (ExpressionNode) link.getPathElement().getUserData(TAG_NAME);
    } else {
        node = engine.parse(link.getPath());
        link.getPathElement().setUserData(TAG_NAME, node);
    }
    List<Base> matches = engine.evaluate(null, focus, focus, focus, node);
    check(!validating || matches.size() >= (link.hasMin() ? link.getMin() : 0), "Link at path " + path + " requires at least " + link.getMin() + " matches, but only found " + matches.size());
    check(!validating || matches.size() <= (link.hasMax() ? Integer.parseInt(link.getMax()) : Integer.MAX_VALUE), "Link at path " + path + " requires at most " + link.getMax() + " matches, but found " + matches.size());
    for (Base sel : matches) {
        // todo: should a URL be ok?
        check(sel.fhirType().equals("Reference"), "Selected node from an expression must be a Reference");
        ReferenceResolution res = services.lookup(appInfo, focus, (Reference) sel);
        if (res != null) {
            // todo
            check(res.getTargetContext() != focus, "how to handle contained resources is not yet resolved");
            for (GraphDefinitionLinkTargetComponent tl : link.getTarget()) {
                if (tl.getType().equals(res.getTarget().fhirType())) {
                    Resource r = (Resource) res.getTarget();
                    if (!isInBundle(r)) {
                        addToBundle(r);
                        for (GraphDefinitionLinkComponent l : graphDefinition.getLink()) {
                            processLink(focus.fhirType(), r, l, depth + 1);
                        }
                    }
                }
            }
        }
    }
}
Also used : GraphDefinitionLinkComponent(org.hl7.fhir.r5.model.GraphDefinition.GraphDefinitionLinkComponent) ExpressionNode(org.hl7.fhir.r5.model.ExpressionNode) ReferenceResolution(org.hl7.fhir.utilities.graphql.IGraphQLStorageServices.ReferenceResolution) IBaseResource(org.hl7.fhir.instance.model.api.IBaseResource) Resource(org.hl7.fhir.r5.model.Resource) GraphDefinitionLinkTargetComponent(org.hl7.fhir.r5.model.GraphDefinition.GraphDefinitionLinkTargetComponent) Base(org.hl7.fhir.r5.model.Base)

Example 73 with Expression

use of org.hl7.fhir.r4b.model.Expression in project org.hl7.fhir.core by hapifhir.

the class Utilities method fhirPathToXPath.

/**
 * Only handles simple FHIRPath expressions of the type produced by the validator
 *
 * @param path
 * @return
 */
public static String fhirPathToXPath(String path) {
    String[] p = path.split("\\.");
    CommaSeparatedStringBuilder b = new CommaSeparatedStringBuilder(".");
    int i = 0;
    while (i < p.length) {
        String s = p[i];
        if (s.contains("[")) {
            String si = s.substring(s.indexOf("[") + 1, s.length() - 1);
            if (!Utilities.isInteger(si))
                throw new FHIRException("The FHIRPath expression '" + path + "' is not valid");
            s = s.substring(0, s.indexOf("[")) + "[" + Integer.toString(Integer.parseInt(si) + 1) + "]";
        }
        if (i < p.length - 1 && p[i + 1].startsWith(".ofType(")) {
            i++;
            s = s + capitalize(p[i].substring(8, p.length - 1));
        }
        b.append(s);
        i++;
    }
    return b.toString();
}
Also used : FHIRException(org.hl7.fhir.exceptions.FHIRException)

Example 74 with Expression

use of org.hl7.fhir.r4b.model.Expression in project org.hl7.fhir.core by hapifhir.

the class InstanceValidator method buildIdentifierExpression.

private void buildIdentifierExpression(ElementDefinition ed, StringBuilder expression, String discriminator, Identifier ii) throws DefinitionException {
    if (ii.hasExtension())
        throw new DefinitionException(context.formatMessage(I18nConstants.UNSUPPORTED_IDENTIFIER_PATTERN__EXTENSIONS_ARE_NOT_ALLOWED__FOR_DISCRIMINATOR_FOR_SLICE_, discriminator, ed.getId()));
    boolean first = true;
    expression.append(discriminator + ".where(");
    if (ii.hasSystem()) {
        first = false;
        expression.append("system = '" + ii.getSystem() + "'");
    }
    if (ii.hasValue()) {
        if (first)
            first = false;
        else
            expression.append(" and ");
        expression.append("value = '" + ii.getValue() + "'");
    }
    if (ii.hasUse()) {
        if (first)
            first = false;
        else
            expression.append(" and ");
        expression.append("use = '" + ii.getUse() + "'");
    }
    if (ii.hasType()) {
        if (first)
            first = false;
        else
            expression.append(" and ");
        buildCodeableConceptExpression(ed, expression, TYPE, ii.getType());
    }
    if (first) {
        throw new DefinitionException(context.formatMessage(I18nConstants.UNSUPPORTED_IDENTIFIER_PATTERN_NO_PROPERTY_NOT_SUPPORTED_FOR_DISCRIMINATOR_FOR_SLICE, discriminator, ed.getId(), ii.fhirType()));
    }
    expression.append(").exists()");
}
Also used : DefinitionException(org.hl7.fhir.exceptions.DefinitionException)

Example 75 with Expression

use of org.hl7.fhir.r4b.model.Expression in project org.hl7.fhir.core by hapifhir.

the class InstanceValidator method buildCodingExpression.

private void buildCodingExpression(ElementDefinition ed, StringBuilder expression, String discriminator, Coding c) throws DefinitionException {
    if (c.hasExtension())
        throw new DefinitionException(context.formatMessage(I18nConstants.UNSUPPORTED_CODEABLECONCEPT_PATTERN__EXTENSIONS_ARE_NOT_ALLOWED__FOR_DISCRIMINATOR_FOR_SLICE_, discriminator, ed.getId()));
    expression.append(discriminator + ".where(");
    boolean first = true;
    if (c.hasSystem()) {
        first = false;
        expression.append("system = '" + c.getSystem() + "'");
    }
    if (c.hasVersion()) {
        if (first)
            first = false;
        else
            expression.append(" and ");
        expression.append("version = '" + c.getVersion() + "'");
    }
    if (c.hasCode()) {
        if (first)
            first = false;
        else
            expression.append(" and ");
        expression.append("code = '" + c.getCode() + "'");
    }
    if (c.hasDisplay()) {
        if (first)
            first = false;
        else
            expression.append(" and ");
        expression.append("display = '" + c.getDisplay() + "'");
    }
    if (first) {
        throw new DefinitionException(context.formatMessage(I18nConstants.UNSUPPORTED_IDENTIFIER_PATTERN_NO_PROPERTY_NOT_SUPPORTED_FOR_DISCRIMINATOR_FOR_SLICE, discriminator, ed.getId(), c.fhirType()));
    }
    expression.append(").exists()");
}
Also used : DefinitionException(org.hl7.fhir.exceptions.DefinitionException)

Aggregations

HashMap (java.util.HashMap)33 Test (org.junit.Test)30 Test (org.junit.jupiter.api.Test)30 Patient (org.hl7.fhir.r4.model.Patient)29 CqlEvaluator (com.ibm.cohort.cql.evaluation.CqlEvaluator)28 CqlVersionedIdentifier (com.ibm.cohort.cql.library.CqlVersionedIdentifier)28 ArrayList (java.util.ArrayList)27 Expression (org.hl7.elm.r1.Expression)26 SpringBootTest (org.springframework.boot.test.context.SpringBootTest)25 CqlEvaluationResult (com.ibm.cohort.cql.evaluation.CqlEvaluationResult)24 FHIRException (org.hl7.fhir.exceptions.FHIRException)19 FhirServerConfig (com.ibm.cohort.fhir.client.config.FhirServerConfig)16 Coding (org.hl7.fhir.r4.model.Coding)15 Complex (org.hl7.fhir.r4.utils.formats.Turtle.Complex)14 Row (org.apache.spark.sql.Row)12 List (java.util.List)11 Complex (org.hl7.fhir.dstu3.utils.formats.Turtle.Complex)11 FhirPath (au.csiro.pathling.fhirpath.FhirPath)10 Nonnull (javax.annotation.Nonnull)10 RestIntegrationTest (org.opencds.cqf.ruler.test.RestIntegrationTest)9