Examples with Function org.hl7.fhir.dstu2.model.ExpressionNode.Function used on opensource projects

Example 26 with Function

use of org.hl7.fhir.dstu2.model.ExpressionNode.Function in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method executeType.

private TypeDetails executeType(ExecutionTypeContext context, TypeDetails focus, ExpressionNode exp, boolean atEntry) throws PathEngineException, DefinitionException {
    TypeDetails result = new TypeDetails(null);
    switch(exp.getKind()) {
        case Name:
            if (atEntry && exp.getName().equals("$this"))
                result.update(context.getThisItem());
            else if (atEntry && exp.getName().equals("$total"))
                result.update(anything(CollectionStatus.UNORDERED));
            else if (atEntry && focus == null)
                result.update(executeContextType(context, exp.getName(), exp));
            else {
                for (String s : focus.getTypes()) {
                    result.update(executeType(s, exp, atEntry));
                }
                if (result.hasNoTypes())
                    throw new PathEngineException("The name " + exp.getName() + " is not valid for any of the possible types: " + focus.describe(), exp.getStart(), exp.toString());
            }
            break;
        case Function:
            result.update(evaluateFunctionType(context, focus, exp));
            break;
        case Unary:
            result.addType("integer");
            break;
        case Constant:
            result.update(resolveConstantType(context, exp.getConstant(), exp));
            break;
        case Group:
            result.update(executeType(context, focus, exp.getGroup(), atEntry));
    }
    exp.setTypes(result);
    if (exp.getInner() != null) {
        result = executeType(context, result, exp.getInner(), false);
    }
    if (exp.isProximal() && exp.getOperation() != null) {
        ExpressionNode next = exp.getOpNext();
        ExpressionNode last = exp;
        while (next != null) {
            TypeDetails work;
            if (last.getOperation() == Operation.Is || last.getOperation() == Operation.As)
                work = executeTypeName(context, focus, next, atEntry);
            else
                work = executeType(context, focus, next, atEntry);
            result = operateTypes(result, last.getOperation(), work, exp);
            last = next;
            next = next.getOpNext();
        }
        exp.setOpTypes(result);
    }
    return result;
}

Example 27 with Function

use of org.hl7.fhir.dstu2.model.ExpressionNode.Function in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method execute.

private List<Base> execute(ExecutionContext context, List<Base> focus, ExpressionNode exp, boolean atEntry) throws FHIRException {
    // System.out.println("Evaluate {'"+exp.toString()+"'} on "+focus.toString());
    List<Base> work = new ArrayList<Base>();
    switch(exp.getKind()) {
        case Name:
            if (atEntry && exp.getName().equals("$this"))
                work.add(context.getThisItem());
            else
                for (Base item : focus) {
                    List<Base> outcome = execute(context, item, exp, atEntry);
                    for (Base base : outcome) if (base != null)
                        work.add(base);
                }
            break;
        case Function:
            List<Base> work2 = evaluateFunction(context, focus, exp);
            work.addAll(work2);
            break;
        case Constant:
            Base b = processConstant(context, exp.getConstant());
            if (b != null)
                work.add(b);
            break;
        case Group:
            work2 = execute(context, focus, exp.getGroup(), atEntry);
            work.addAll(work2);
    }
    if (exp.getInner() != null)
        work = execute(context, work, exp.getInner(), false);
    if (exp.isProximal() && exp.getOperation() != null) {
        ExpressionNode next = exp.getOpNext();
        ExpressionNode last = exp;
        while (next != null) {
            List<Base> work2 = preOperate(work, last.getOperation());
            if (work2 != null)
                work = work2;
            else if (last.getOperation() == Operation.Is || last.getOperation() == Operation.As) {
                work2 = executeTypeName(context, focus, next, false);
                work = operate(work, last.getOperation(), work2);
            } else {
                work2 = execute(context, focus, next, true);
                work = operate(work, last.getOperation(), work2);
            // System.out.println("Result of {'"+last.toString()+" "+last.getOperation().toCode()+" "+next.toString()+"'}: "+focus.toString());
            }
            last = next;
            next = next.getOpNext();
        }
    }
    // System.out.println("Result of {'"+exp.toString()+"'}: "+work.toString());
    return work;
}

Example 28 with Function

use of org.hl7.fhir.dstu2.model.ExpressionNode.Function in project org.hl7.fhir.core by hapifhir.

the class RdfParser method composeChargeItemChargeItemPerformerComponent.

protected void composeChargeItemChargeItemPerformerComponent(Complex parent, String parentType, String name, ChargeItem.ChargeItemPerformerComponent element, int index) {
    if (element == null)
        return;
    Complex t;
    if (Utilities.noString(parentType))
        t = parent;
    else {
        t = parent.predicate("fhir:" + parentType + '.' + name);
    }
    composeBackboneElement(t, "performer", name, element, index);
    if (element.hasFunction())
        composeCodeableConcept(t, "ChargeItem", "function", element.getFunction(), -1);
    if (element.hasActor())
        composeReference(t, "ChargeItem", "actor", element.getActor(), -1);
}

Example 29 with Function

use of org.hl7.fhir.dstu2.model.ExpressionNode.Function in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method execute.

private List<Base> execute(ExecutionContext context, List<Base> focus, ExpressionNode exp, boolean atEntry) throws FHIRException {
    // System.out.println("Evaluate {'"+exp.toString()+"'} on "+focus.toString());
    List<Base> work = new ArrayList<Base>();
    switch(exp.getKind()) {
        case Unary:
            work.add(new IntegerType(0));
            break;
        case Name:
            if (atEntry && exp.getName().equals("$this")) {
                work.add(context.getThisItem());
            } else if (atEntry && exp.getName().equals("$total")) {
                work.addAll(context.getTotal());
            } else if (atEntry && exp.getName().equals("$index")) {
                work.add(context.getIndex());
            } else {
                for (Base item : focus) {
                    List<Base> outcome = execute(context, item, exp, atEntry);
                    for (Base base : outcome) {
                        if (base != null) {
                            work.add(base);
                        }
                    }
                }
            }
            break;
        case Function:
            List<Base> work2 = evaluateFunction(context, focus, exp);
            work.addAll(work2);
            break;
        case Constant:
            work.addAll(resolveConstant(context, exp.getConstant(), false, exp));
            break;
        case Group:
            work2 = execute(context, focus, exp.getGroup(), atEntry);
            work.addAll(work2);
    }
    if (exp.getInner() != null) {
        work = execute(context, work, exp.getInner(), false);
    }
    if (exp.isProximal() && exp.getOperation() != null) {
        ExpressionNode next = exp.getOpNext();
        ExpressionNode last = exp;
        while (next != null) {
            List<Base> work2 = preOperate(work, last.getOperation(), exp);
            if (work2 != null) {
                work = work2;
            } else if (last.getOperation() == Operation.Is || last.getOperation() == Operation.As) {
                work2 = executeTypeName(context, focus, next, false);
                work = operate(context, work, last.getOperation(), work2, last);
            } else {
                work2 = execute(context, focus, next, true);
                work = operate(context, work, last.getOperation(), work2, last);
            // System.out.println("Result of {'"+last.toString()+" "+last.getOperation().toCode()+" "+next.toString()+"'}: "+focus.toString());
            }
            last = next;
            next = next.getOpNext();
        }
    }
    // System.out.println("Result of {'"+exp.toString()+"'}: "+work.toString());
    return work;
}

Example 30 with Function

use of org.hl7.fhir.dstu2.model.ExpressionNode.Function in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method executeType.

private TypeDetails executeType(ExecutionTypeContext context, TypeDetails focus, ExpressionNode exp, boolean atEntry) throws PathEngineException, DefinitionException {
    TypeDetails result = new TypeDetails(null);
    switch(exp.getKind()) {
        case Name:
            if (atEntry && exp.getName().equals("$this")) {
                result.update(context.getThisItem());
            } else if (atEntry && exp.getName().equals("$total")) {
                result.update(anything(CollectionStatus.UNORDERED));
            } else if (atEntry && exp.getName().equals("$index")) {
                result.addType(TypeDetails.FP_Integer);
            } else if (atEntry && focus == null) {
                result.update(executeContextType(context, exp.getName(), exp));
            } else {
                for (String s : focus.getTypes()) {
                    result.update(executeType(s, exp, atEntry));
                }
                if (result.hasNoTypes()) {
                    throw makeException(exp, I18nConstants.FHIRPATH_UNKNOWN_NAME, exp.getName(), focus.describe());
                }
            }
            break;
        case Function:
            result.update(evaluateFunctionType(context, focus, exp));
            break;
        case Unary:
            result.addType(TypeDetails.FP_Integer);
            result.addType(TypeDetails.FP_Decimal);
            result.addType(TypeDetails.FP_Quantity);
            break;
        case Constant:
            result.update(resolveConstantType(context, exp.getConstant(), exp));
            break;
        case Group:
            result.update(executeType(context, focus, exp.getGroup(), atEntry));
    }
    exp.setTypes(result);
    if (exp.getInner() != null) {
        result = executeType(context, result, exp.getInner(), false);
    }
    if (exp.isProximal() && exp.getOperation() != null) {
        ExpressionNode next = exp.getOpNext();
        ExpressionNode last = exp;
        while (next != null) {
            TypeDetails work;
            if (last.getOperation() == Operation.Is || last.getOperation() == Operation.As) {
                work = executeTypeName(context, focus, next, atEntry);
            } else {
                work = executeType(context, focus, next, atEntry);
            }
            result = operateTypes(result, last.getOperation(), work, last);
            last = next;
            next = next.getOpNext();
        }
        exp.setOpTypes(result);
    }
    return result;
}