Package com.codahale.metrics

Examples of com.codahale.metrics.MergeableExponentiallyDecayingReservoir.merge()

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      res2.update((double)(i+100), timestamp2);
    }
    assertEquals("expected res1 landmark value to be unchanged", origLandmarkRes1, res1.getLandmark());
    assertEquals("expected res2 landmark value to be unchanged", origLandmarkRes2, res2.getLandmark());

    aggr.merge(res1);
    assertEquals("expected res1 landmark value to be unchanged", origLandmarkRes1, res1.getLandmark());
    assertEquals("expected aggregator landmark value to match res1", origLandmarkRes1, aggr.getLandmark());

    aggr.merge(res2);
    assertEquals("expected res2 landmark value to be unchanged", origLandmarkRes2, res2.getLandmark());
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    aggr.merge(res1);
    assertEquals("expected res1 landmark value to be unchanged", origLandmarkRes1, res1.getLandmark());
    assertEquals("expected aggregator landmark value to match res1", origLandmarkRes1, aggr.getLandmark());

    aggr.merge(res2);
    assertEquals("expected res2 landmark value to be unchanged", origLandmarkRes2, res2.getLandmark());
    assertEquals("expected aggregator landmark value to match res2", origLandmarkRes2, aggr.getLandmark());

    // generate some more data for both low-level reservoirs; their landmarks still should not have changed
    for (int i = 0; i < 10; ++i)
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      res2.update((double)(i+300), timestamp2);
    }
    assertEquals("expected res1 landmark value to be unchanged", origLandmarkRes1, res1.getLandmark());
    assertEquals("expected res2 landmark value to be unchanged", origLandmarkRes2, res2.getLandmark());

    aggr.merge(res1);
    assertEquals("expected aggregator landmark value to be unchanged", origLandmarkRes2, aggr.getLandmark());
    assertEquals("expected res1 landmark value to match res2", origLandmarkRes2, res1.getLandmark());
  }

  /**
 
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