#3 -- Config of fuzzy engine

src/main/java/ru/ulstu/fc/config/FuzzyEngine.java

@@ -0,0 +1,16 @@
+package ru.ulstu.fc.config;
+
+import com.fuzzylite.Engine;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class FuzzyEngine {
+    @Bean
+    public Engine getFuzzyEngine() {
+        Engine engine = new Engine();
+        engine.setName("Fuzzy rules");
+        engine.setDescription("");
+        return engine;
+    }
+}

src/main/java/ru/ulstu/fc/rule/service/FuzzyInferenceService.java

@@ -30,6 +30,7 @@ public class FuzzyInferenceService {
             + OUTPUT_VARIABLE_NAME
             + " is %s";
     private final static String NO_RESULT = "Нет результата";
+    private final Engine fuzzyEngine;
 
     private Map<String, List<Entry<String, Integer>>> inputFuzzyTerms = Map.of(
             "возраст",
@@ -48,6 +49,10 @@ public class FuzzyInferenceService {
                     new AbstractMap.SimpleEntry("средний", 100000),
                     new AbstractMap.SimpleEntry("большой", 1000000)));
 
+    public FuzzyInferenceService(Engine fuzzyEngine) {
+        this.fuzzyEngine = fuzzyEngine;
+    }
+
     private List<String> getDemoRules() {
         return List.of(
                 String.format(RULE_TEMPLATE, "возраст", "молодой", "доход", "высокий", "большой"),
@@ -112,13 +117,6 @@ public class FuzzyInferenceService {
         return mamdani;
     }
 
-    private Engine getFuzzyEngine() {
-        Engine engine = new Engine();
-        engine.setName("Fuzzy rules");
-        engine.setDescription("");
-        return engine;
-    }
-
     private Map<String, Double> getConsequent(Engine engine, Map<String, Double> variableValues) {
         OutputVariable outputVariable = engine.getOutputVariable(OUTPUT_VARIABLE_NAME);
         for (Map.Entry<String, Double> variableValue : variableValues.entrySet()) {
@@ -135,9 +133,9 @@ public class FuzzyInferenceService {
     }
 
     public Map<String, Double> getFuzzyInference() {
-        Engine engine = getFuzzyEngine();
-        engine.addRuleBlock(getRuleBlock(engine, getDemoRules()));
-        return getConsequent(engine, Map.of("возраст", 20.0, "доход", 250000.0));
+        fuzzyEngine.getRuleBlocks().clear();
+        fuzzyEngine.addRuleBlock(getRuleBlock(fuzzyEngine, getDemoRules()));
+        return getConsequent(fuzzyEngine, Map.of("возраст", 20.0, "доход", 250000.0));
     }
 
 }