static Future<Seq<Seq<Span>>> toSeqFuture(List<List<io.zipkin.Span>> traces) {
List<Seq<Span>> result = new ArrayList<>(traces.size());
for (List<io.zipkin.Span> trace : traces) {
List<Span> spans = new ArrayList<>(trace.size());
for (io.zipkin.Span span : trace) {
Span converted = convert(span);
if (converted != null) {
spans.add(converted);
}
}
result.add(JavaConversions.asScalaBuffer(spans));
}
return Future.value(JavaConversions.asScalaBuffer(result).seq());
}
@Override
public Future<String> apply(String req) {
logger.debug("received : {}", req);
return Future.value(req);
}
@Override
public Future<Seq<String>> getAllServiceNames() {
return Future.value(JavaConversions.asScalaBuffer(this.spanStore.getServiceNames()).seq());
}