public void setWhatIfAnalysisArn(String whatIfAnalysisArn) {
        this.whatIfAnalysisArn = whatIfAnalysisArn;
    }
<p>
The Amazon Resource Name (ARN) of the what-if analysis that contains this what-if forecast.
</p>

@param whatIfAnalysisArn
       The Amazon Resource Name (ARN) of the what-if analysis that contains this what-if forecast.
aws-java-sdk-forecast/src/main/java/com/amazonaws/services/forecast/model/WhatIfForecastSummary.java