Introduce methods for (de)initializing Backend; drop ReactorLifecycle

reactor/Core/src/jetbrains/mps/logic/reactor/evaluation/EvaluationSession.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2019 JetBrains s.r.o.
+ * Copyright 2014-2024 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -14,24 +14,14 @@
  * limitations under the License.
  */
 
-package jetbrains.mps.logic.reactor.core
+package jetbrains.mps.logic.reactor.evaluation
 
 import jetbrains.mps.logic.reactor.core.internal.EvaluationSessionImpl
 
 /**
- * Must be invoked by the code responsible for application's initialization and teardown.
- *
  * @author Fedor Isakov
  */
-class ReactorLifecycle {
 
-    companion object {
-        fun init() {
-            EvaluationSessionImpl.Backend.init()
-        }
+fun initBackend() = EvaluationSessionImpl.Backend.init()
 
-        fun deinit() {
-            EvaluationSessionImpl.Backend.deinit()
-        }
-    }
-}
+fun deinitBackend() = EvaluationSessionImpl.Backend.deinit()

reactor/Test/test/TestProgram.kt

@@ -1,7 +1,4 @@
-import jetbrains.mps.logic.reactor.core.ReactorLifecycle
-import jetbrains.mps.logic.reactor.evaluation.EvaluationSession
-import jetbrains.mps.logic.reactor.evaluation.PredicateInvocation
-import jetbrains.mps.logic.reactor.evaluation.StoreView
+import jetbrains.mps.logic.reactor.evaluation.*
 import jetbrains.mps.logic.reactor.logical.Logical
 import jetbrains.mps.logic.reactor.program.Constraint
 import jetbrains.mps.logic.reactor.program.ConstraintSymbol
@@ -23,13 +20,13 @@ class TestProgram {
         @BeforeClass
         @JvmStatic
         fun setup() {
-            ReactorLifecycle.init();
+            initBackend()
         }
 
         @AfterClass
         @JvmStatic
         fun teardown() {
-            ReactorLifecycle.deinit();
+            deinitBackend()
         }
     }