Examples with PathEngineException org.hl7.fhir.exceptions.PathEngineException used on opensource projects

Example 21 with PathEngineException

use of org.hl7.fhir.exceptions.PathEngineException in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method checkParamTypes.

private void checkParamTypes(String funcName, List<TypeDetails> paramTypes, TypeDetails... typeSet) throws PathEngineException {
    int i = 0;
    for (TypeDetails pt : typeSet) {
        if (i == paramTypes.size())
            return;
        TypeDetails actual = paramTypes.get(i);
        i++;
        for (String a : actual.getTypes()) {
            if (!pt.hasType(a))
                throw new PathEngineException("The parameter type '" + a + "' is not legal for " + funcName + " parameter " + Integer.toString(i) + ". expecting " + pt.toString());
        }
    }
}

Example 22 with PathEngineException

use of org.hl7.fhir.exceptions.PathEngineException in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method opTimes.

private List<Base> opTimes(List<Base> left, List<Base> right) throws PathEngineException {
    if (left.size() == 0)
        throw new PathEngineException("Error performing *: left operand has no value");
    if (left.size() > 1)
        throw new PathEngineException("Error performing *: left operand has more than one value");
    if (!left.get(0).isPrimitive())
        throw new PathEngineException(String.format("Error performing +: left operand has the wrong type (%s)", left.get(0).fhirType()));
    if (right.size() == 0)
        throw new PathEngineException("Error performing *: right operand has no value");
    if (right.size() > 1)
        throw new PathEngineException("Error performing *: right operand has more than one value");
    if (!right.get(0).isPrimitive())
        throw new PathEngineException(String.format("Error performing *: right operand has the wrong type (%s)", right.get(0).fhirType()));
    List<Base> result = new ArrayList<Base>();
    Base l = left.get(0);
    Base r = right.get(0);
    if (l.hasType("integer") && r.hasType("integer"))
        result.add(new IntegerType(Integer.parseInt(l.primitiveValue()) * Integer.parseInt(r.primitiveValue())));
    else if (l.hasType("decimal", "integer") && r.hasType("decimal", "integer"))
        result.add(new DecimalType(new BigDecimal(l.primitiveValue()).multiply(new BigDecimal(r.primitiveValue()))));
    else
        throw new PathEngineException(String.format("Error performing *: left and right operand have incompatible or illegal types (%s, %s)", left.get(0).fhirType(), right.get(0).fhirType()));
    return result;
}

Example 23 with PathEngineException

use of org.hl7.fhir.exceptions.PathEngineException in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method funcIs.

private List<Base> funcIs(ExecutionContext context, List<Base> focus, ExpressionNode exp) throws PathEngineException {
    List<Base> result = new ArrayList<Base>();
    if (focus.size() == 0 || focus.size() > 1)
        result.add(new BooleanType(false));
    else {
        String tn = exp.getParameters().get(0).getName();
        result.add(new BooleanType(focus.get(0).hasType(tn)));
    }
    return result;
}

Example 24 with PathEngineException

use of org.hl7.fhir.exceptions.PathEngineException 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.getContext());
            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());
            }
            break;
        case Function:
            result.update(evaluateFunctionType(context, focus, exp));
            break;
        case Constant:
            result.addType(readConstantType(context, exp.getConstant()));
            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 = next;
            next = next.getOpNext();
        }
        exp.setOpTypes(result);
    }
    return result;
}

Example 25 with PathEngineException

use of org.hl7.fhir.exceptions.PathEngineException in project org.hl7.fhir.core by hapifhir.

the class FHIRPathEngine method opDivideBy.

private List<Base> opDivideBy(List<Base> left, List<Base> right) throws PathEngineException {
    if (left.size() == 0)
        throw new PathEngineException("Error performing /: left operand has no value");
    if (left.size() > 1)
        throw new PathEngineException("Error performing /: left operand has more than one value");
    if (!left.get(0).isPrimitive())
        throw new PathEngineException(String.format("Error performing -: left operand has the wrong type (%s)", left.get(0).fhirType()));
    if (right.size() == 0)
        throw new PathEngineException("Error performing /: right operand has no value");
    if (right.size() > 1)
        throw new PathEngineException("Error performing /: right operand has more than one value");
    if (!right.get(0).isPrimitive())
        throw new PathEngineException(String.format("Error performing /: right operand has the wrong type (%s)", right.get(0).fhirType()));
    List<Base> result = new ArrayList<Base>();
    Base l = left.get(0);
    Base r = right.get(0);
    if (l.hasType("integer", "decimal") && r.hasType("integer", "decimal")) {
        Decimal d1;
        try {
            d1 = new Decimal(l.primitiveValue());
            Decimal d2 = new Decimal(r.primitiveValue());
            result.add(new DecimalType(d1.divide(d2).asDecimal()));
        } catch (UcumException e) {
            throw new PathEngineException(e);
        }
    } else
        throw new PathEngineException(String.format("Error performing /: left and right operand have incompatible or illegal types (%s, %s)", left.get(0).fhirType(), right.get(0).fhirType()));
    return result;
}