Examples with NamingConvention com.datastax.oss.driver.api.mapper.entity.naming.NamingConvention used on opensource projects

Example 1 with NamingConvention

use of com.datastax.oss.driver.api.mapper.entity.naming.NamingConvention in project java-driver by datastax.

the class DefaultEntityFactory method buildCqlNameGenerator.

private CqlNameGenerator buildCqlNameGenerator(Set<TypeElement> typeHierarchy) {
    Optional<ResolvedAnnotation<NamingStrategy>> annotation = AnnotationScanner.getClassAnnotation(NamingStrategy.class, typeHierarchy);
    if (!annotation.isPresent()) {
        return CqlNameGenerator.DEFAULT;
    }
    NamingStrategy namingStrategy = annotation.get().getAnnotation();
    // Safe cast because the annotation can only be used on types:
    TypeElement classElement = (TypeElement) annotation.get().getElement();
    if (namingStrategy == null) {
        return CqlNameGenerator.DEFAULT;
    }
    NamingConvention[] conventions = namingStrategy.convention();
    TypeMirror[] customConverterClasses = readCustomConverterClasses(classElement);
    if (conventions.length > 0 && customConverterClasses.length > 0) {
        context.getMessager().error(classElement, "Invalid annotation configuration: %s must have either a 'convention' " + "or 'customConverterClass' argument, but not both", NamingStrategy.class.getSimpleName());
        // Return a generator anyway, so that the processor doesn't crash downstream
        return new CqlNameGenerator(conventions[0]);
    } else if (conventions.length == 0 && customConverterClasses.length == 0) {
        context.getMessager().error(classElement, "Invalid annotation configuration: %s must have either a 'convention' " + "or 'customConverterClass' argument", NamingStrategy.class.getSimpleName());
        return CqlNameGenerator.DEFAULT;
    } else if (conventions.length > 0) {
        if (conventions.length > 1) {
            context.getMessager().warn(classElement, "Too many naming conventions: %s must have at most one 'convention' " + "argument (will use the first one: %s)", NamingStrategy.class.getSimpleName(), conventions[0]);
        }
        return new CqlNameGenerator(conventions[0]);
    } else {
        if (customConverterClasses.length > 1) {
            context.getMessager().warn(classElement, "Too many custom converters: %s must have at most one " + "'customConverterClass' argument (will use the first one: %s)", NamingStrategy.class.getSimpleName(), customConverterClasses[0]);
        }
        return new CqlNameGenerator(customConverterClasses[0]);
    }
}