多样性实验

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/rank/RankService.java

@@ -496,10 +496,10 @@ public class RankService {
 
         // 3 进行密度控制
         Set<Long> videosSet = result.stream().map(r-> r.getVideoId()).collect(Collectors.toSet());
-        rovRecallRank = rovRecallRank.stream().filter(r -> !videosSet.contains(r.getVideoId())).collect(Collectors.toList());
-        flowPoolRank = flowPoolRank.stream().filter(r -> !videosSet.contains(r.getVideoId())).collect(Collectors.toList());
+        List<Video> rovRecallRankNew = rovRecallRank.stream().filter(r -> !videosSet.contains(r.getVideoId())).collect(Collectors.toList());
+        List<Video> flowPoolRankNew = flowPoolRank.stream().filter(r -> !videosSet.contains(r.getVideoId())).collect(Collectors.toList());
         List<Video> resultWithDnsity = RankProcessorDensity.mergeDensityControl(result,
-                rovRecallRank, flowPoolRank, densityRules);
+                rovRecallRankNew, flowPoolRankNew, densityRules);
         return new RankResult(resultWithDnsity);
     }