default Optional getDiscriminatorType()

in code-generation/types-base/src/main/java/org/apache/plc4x/plugins/codegenerator/types/references/TypeReference.java [38:53]

• 13 lines of code
• 3 McCabe index (conditional complexity)

    default Optional<TypeReference> getDiscriminatorType(VariableLiteral variableLiteral) {
        // If we found something but there's a "rest" left, we got to use the type we
        // found in this level, get that type's definition and continue from there.
        if (variableLiteral.getChild().isEmpty()) {
            return Optional.of(this);
        }
        // If we're accessing a child, then the root must be a complex type.
        if (!(this instanceof ComplexTypeReference)) {
            return Optional.empty();
        }
        ComplexTypeReference complexTypeReference = (ComplexTypeReference) this;
        final ComplexTypeDefinition complexTypeDefinition = complexTypeReference.getTypeDefinition();
        VariableLiteral childVariableLiteral = variableLiteral.getChild().get();
        return complexTypeDefinition.getTypeReferenceForProperty(childVariableLiteral.getName())
                .flatMap(innerTypeReference -> innerTypeReference.getDiscriminatorType(childVariableLiteral));
    }