Package com.clearspring.analytics.stream.cardinality

Examples of com.clearspring.analytics.stream.cardinality.HyperLogLogPlus.cardinality()

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    Object result = udafEvaluator.terminate(agg);
    Assert.assertNotNull(result);
   
    byte[] b = ((JavaBinaryObjectInspector) finalOutputOi).getPrimitiveJavaObject(result);
    HyperLogLogPlus hll = HyperLogLogPlus.Builder.build( b );
    Long cardEst = hll.cardinality();
   
    LOG.info("cardEst = " + cardEst);
   
    int actualUniques = h.keySet().size();
    LOG.info("actualUniques = " + actualUniques);
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      if(bref == null)
        return null;
      HyperLogLogPlus hll = HyperLogLogPlus.Builder.build( bref );
     
     
      return hll.cardinality();
    } catch(Exception e) {
      LOG.error("Error", e);
      throw new HiveException(e);
    }
   
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