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https://issues.apache.org/jira/browse/EDGENT-246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15467923#comment-15467923
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Dale LaBossiere commented on EDGENT-246:
----------------------------------------
Please use the edgent developers list for general questions:
dev@edgent.apache.org
Have you looked at the SensorsAggregates sample? Use of the Edgent Console
only requires using the DevelopmentProvider.
Not sure why that use of aggregate() might cause a compile error - assuming you
did the static imports for MIN,...
Note JsonAggregates.aggregate() only aggregates a single property in a
JsonObject tuple. Its 2nd and 3rd arguments are the property name to contain
the aggregated **results** and the name of the property to aggregate
respectively.
It seems you're trying to aggregate two properties: temp and voltage?
> Aggregate Function and Console
> ------------------------------
>
> Key: EDGENT-246
> URL: https://issues.apache.org/jira/browse/EDGENT-246
> Project: Edgent
> Issue Type: Task
> Components: Analytics
> Affects Versions: 0.4.0
> Environment: Demonstration (Meetup)
> Reporter: Brandon Swink
> Fix For: 0.4.0
>
>
> I would like to use this function in a demo for my meetup in the next few
> weeks and my modification seems to have a compile error on the aggregate. I
> would also like to couple it with the Edgent Console. Do I need to modify
> this code to include the console or do I need to trigger using another
> component?
> //*****CODE
> // Create a window on the stream of the last 50 readings partitioned
> //TWindow<JsonObject,JsonElement> sensorWindow = sensors.last(50, j
> -> j.get("ts"));
> TWindow<JsonObject,Integer> sensorWindow = sensors.last(50,
> unpartitioned());
>
> // Aggregate the windows calculating the min, max, mean standard
> deviation and Slope across each window independently.
> sensors =
> JsonAnalytics.aggregate(sensorWindow,"cpuTemperature","cpuVoltage", MIN, MAX,
> MEAN, STDDEV, SLOPE);
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