Examples of persistentAggregate()

Examples of storm.trident.Stream.persistentAggregate()

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      // Predict
      Stream predictionStream = toppology.newStream("nandsamples", new NANDSpout()) //
          .stateQuery(perceptronModel, new Fields("instance"), new ClassifyQuery<Boolean>("perceptron"), new Fields("prediction"));

      // Update evaluation
      predictionStream //
          .persistentAggregate(evaluationStateFactory, new Fields("instance", "prediction"), new AccuracyAggregator<Boolean>(), new Fields("accuracy"));

      // Update model
      predictionStream.partitionPersist(perceptronModelStateFactory, new Fields("instance"), new ClassifierUpdater<Boolean>("perceptron", new PerceptronClassifier()));
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