XD-2107&1048: --nameExpression for metrics & --incrementExpression for agg-counter

Had suggested same in an email to Fisher.
The book quote doesn't support usage model
in typical streaming apps (high event rate).


On Oct 17, 2014, at 2:52 PM, David Turanski <notifications@github.com>
wrote:

In
spring-xd-analytics/src/main/java/org/springframework/xd/analytics/metrics/core/RichGauge.java:

> @@ -130,14 +130,10 @@ public double getAlpha() {
>  		return alpha;
>  	}
>
> -	public RichGauge setAlpha(double alpha) {
> +	RichGauge set(double value, double alpha) {

Just reviewing this. I think we need a resolution to this discussion before
merging. I don't quite understand why we need to set the alpha every time.
It doesn't smell right.

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