Package storm.trident.operation.builtin

Examples of storm.trident.operation.builtin.TupleCollectionGet

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        ;


        topology
                .newDRPCStream("top_hashtags")
                .stateQuery(count, new TupleCollectionGet(), new Fields("followerClass", "contentName"))
                .stateQuery(count, new Fields("followerClass", "contentName"), new MapGet(), new Fields("count"))
                .aggregate(new Fields("contentName", "count"), new FirstN.FirstNSortedAgg(5,"count", true), new Fields("contentName", "count"))
        ;

        return topology.build();
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        ;


        topology
                .newDRPCStream("location_hashtag_count")
                .stateQuery(count, new TupleCollectionGet(), new Fields("country", "contentName"))
                .stateQuery(count, new Fields("country", "contentName"), new MapGet(), new Fields("count"))
                .groupBy(new Fields("country"))
                .aggregate(new Fields("contentName", "count"), new FirstN.FirstNSortedAgg(3,"count", true), new Fields("contentName", "count"))
        ;
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        ;


        topology
                .newDRPCStream("hashtag_count")
                .stateQuery(count, new TupleCollectionGet(), new Fields("followerClass", "contentName"))
                .stateQuery(count, new Fields("followerClass", "contentName"), new MapGet(), new Fields("count"))
                .groupBy(new Fields("followerClass"))
                .aggregate(new Fields("contentName", "count"), new FirstN.FirstNSortedAgg(1,"count", true), new Fields("contentName", "count"))
        ;
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                        .persistentAggregate(new MemoryMapState.Factory(), new Count(), new Fields("count"));

        // Now, let's calculate the average age of actors seen
        topology
                .newDRPCStream("age_stats", drpc)
                .stateQuery(countState, new TupleCollectionGet(), new Fields("actor", "location"))
                .stateQuery(nameToAge, new Fields("actor"), new MapGet(), new Fields("age"))
                .each(new Fields("actor","location","age"), new Print())
                .groupBy(new Fields("location"))
                .chainedAgg()
                .aggregate(new Count(), new Fields("count"))
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Related Classes of storm.trident.operation.builtin.TupleCollectionGet

  • tutorial.storm.trident.example.GlobalTop20Hashtags
  • tutorial.storm.trident.example.TopHashtagByCountry
  • tutorial.storm.trident.example.TopHashtagByFollowerClass
  • tutorial.storm.trident.Part05_AdvancedStateAndDRPC
  • java.util.ArrayList
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