Service toService() {
        Service service = new Service();
        service.setName(destServiceName);
        service.setServiceInstanceName(destServiceInstanceName);
        service.setEndpointName(destEndpointName);
        service.setLayer(destLayer);
        service.setLatency(latency);
        service.setStatus(status);
        service.setHttpResponseStatusCode(httpResponseStatusCode);
        service.setRpcStatusCode(rpcStatusCode);
        service.setType(type);
        service.setTags(tags);
        service.setTimeBucket(timeBucket);
        service.setOriginalTags(originalTags);
        return service;
    }
Service meta and metrics related source of {@link #destServiceName}. The metrics base on the OAL scripts.
oap-server/analyzer/agent-analyzer/src/main/java/org/apache/skywalking/oap/server/analyzer/provider/trace/parser/listener/RPCTrafficSourceBuilder.java