RepeaterAdapter.onMetricSetChanged Method
        
 Takes actions required in response to a metric set change.  This may result in modifications
 to this and other metric sets.
 
         
        Parameters
        
            - adapter
            
 
            - 
                
Type: Adapter - May be null
The target adapter on which the metric set was changed. 
            - oldMetricSet
            
 
            - 
                
Type: MetricSet - May be null
The old metric set. 
            - metricSet
            
 
            - 
                
Type: MetricSet
The metric set. 
        
        Return Value
        
Type: jQuery.Promise
        
Value: dundas.entities.MetricSet
        
A promise object that is resolved when the action is finished.