@VisibleForTesting
    PSpan buildPSpan(Span span) {
        final PSpan.Builder pSpan = PSpan.newBuilder();

        this.spanProcessor.preProcess(span, pSpan);
        mapper.map(span, applicationServiceType, pSpan);
        this.spanProcessor.postProcess(span, pSpan);
        return pSpan.build();

    }
Not thread safe

@author Woonduk Kang(emeroad)
agent-module/profiler/src/main/java/com/navercorp/pinpoint/profiler/context/grpc/GrpcSpanMessageConverter.java