Examples with Difference io.confluent.kafka.schemaregistry.protobuf.diff.Difference used on opensource projects

Example 1 with Difference

use of io.confluent.kafka.schemaregistry.protobuf.diff.Difference in project schema-registry by confluentinc.

the class ProtobufSchema method isBackwardCompatible.

@Override
public List<String> isBackwardCompatible(ParsedSchema previousSchema) {
    if (!schemaType().equals(previousSchema.schemaType())) {
        return Collections.singletonList("Incompatible because of different schema type");
    }
    final List<Difference> differences = SchemaDiff.compare((ProtobufSchema) previousSchema, this);
    final List<Difference> incompatibleDiffs = differences.stream().filter(diff -> !SchemaDiff.COMPATIBLE_CHANGES.contains(diff.getType())).collect(Collectors.toList());
    boolean isCompatible = incompatibleDiffs.isEmpty();
    if (!isCompatible) {
        boolean first = true;
        List<String> errorMessages = new ArrayList<>();
        for (Difference incompatibleDiff : incompatibleDiffs) {
            if (first) {
                // Log first incompatible change as warning
                log.warn("Found incompatible change: {}", incompatibleDiff);
                errorMessages.add(String.format("Found incompatible change: %s", incompatibleDiff));
                first = false;
            } else {
                log.debug("Found incompatible change: {}", incompatibleDiff);
                errorMessages.add(String.format("Found incompatible change: %s", incompatibleDiff));
            }
        }
        return errorMessages;
    } else {
        return Collections.emptyList();
    }
}