protected LogEntry2MetricsAdapter newAdapter(
        final HTTPAccessLogEntry entry,
        final ServiceMetaInfo sourceService,
        final ServiceMetaInfo targetService) {
        return new LogEntry2MetricsAdapter(entry, sourceService, targetService);
    }
Create an adapter to adapt the {@link HTTPAccessLogEntry log entry} into a {@link HTTPServiceMeshMetric.Builder}.

@param entry         the access log entry that is to be adapted from.
@param sourceService the source service.
@param targetService the target/destination service.
@return an adapter that adapts {@link HTTPAccessLogEntry log entry} into a {@link HTTPServiceMeshMetric.Builder}.
oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/als/AbstractALSAnalyzer.java