From c39bc3c6ca3e302e309bcc459a1338d95d4711c5 Mon Sep 17 00:00:00 2001
From: Anton Romanov <a.romanov@ulstu.ru>
Date: Tue, 25 Oct 2022 16:51:51 +0400
Subject: [PATCH] #74 -- fix

---
 .../ulstu/extractor/rule/service/FuzzyInferenceService.java   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/java/ru/ulstu/extractor/rule/service/FuzzyInferenceService.java b/src/main/java/ru/ulstu/extractor/rule/service/FuzzyInferenceService.java
index 1a4fe35..88e0026 100644
--- a/src/main/java/ru/ulstu/extractor/rule/service/FuzzyInferenceService.java
+++ b/src/main/java/ru/ulstu/extractor/rule/service/FuzzyInferenceService.java
@@ -116,7 +116,9 @@ public class FuzzyInferenceService {
         if (outputVariable != null) {
             outputVariable.defuzzify();
         }
-        return outputVariable == null ? "" : outputVariable.highestMembership(outputVariable.getValue()).getSecond().getName();
+        return (outputVariable == null || Double.isNaN(outputVariable.getValue()))
+                ? "Нет рекомендаций"
+                : outputVariable.highestMembership(outputVariable.getValue()).getSecond().getName();
         //return outputVariable == null ? "" : outputVariable.fuzzyOutputValue();
     }
 }