private void processRelationTraffic(MeterEntity entity) {
        switch (entity.getDetectPoint()) {
            case SERVER:
                processRelationServerSide(entity);
                break;
            case CLIENT:
                processRelationClientSide(entity);
                break;
            default:
        }
    }
analyse intends to parse expression with input samples to meter-system metrics.

@param sampleFamilies input samples.
oap-server/analyzer/meter-analyzer/src/main/java/org/apache/skywalking/oap/meter/analyzer/Analyzer.java