IJPL-243276 Migrate ModulePackageIndex service

GitOrigin-RevId: 01b14673e026e4697a153187390371b5f7d837b7

java/java-backend/resources/META-INF/JavaPlugin.xml

@@ -41,8 +41,8 @@
     <indexingFlavor filetype="CLASS" implementationClass="com.intellij.index.ClassFileIndexingFlavor"/>
     <indexingFlavor filetype="kotlin_builtins" implementationClass="com.intellij.index.KtBuiltInFileIndexingFlavorProvider"/>
 
-    <moduleService serviceInterface="com.intellij.openapi.roots.ModulePackageIndex"
-                   serviceImplementation="com.intellij.openapi.roots.impl.ModulePackageIndexImpl"/>
+    <projectService serviceInterface="com.intellij.openapi.roots.ModulePackageIndexFactory"
+                   serviceImplementation="com.intellij.openapi.roots.impl.ModulePackageIndexFactoryImpl"/>
 
     <implicitToStringSearch implementation="com.intellij.psi.impl.search.ImplicitToStringSearcher"/>
 

java/java-impl/src/com/intellij/openapi/roots/impl/ModulePackageIndexFactoryImpl.kt

@@ -0,0 +1,12 @@
+// Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.openapi.roots.impl
+
+import com.intellij.openapi.module.Module
+import com.intellij.openapi.roots.ModulePackageIndex
+import com.intellij.openapi.roots.ModulePackageIndexFactory
+
+internal class ModulePackageIndexFactoryImpl: ModulePackageIndexFactory {
+  override fun getService(module: Module): ModulePackageIndex {
+    return ModulePackageIndexImpl(module)
+  }
+}

java/java-indexing-api/src/com/intellij/openapi/roots/ModulePackageIndex.java

@@ -5,6 +5,6 @@ import com.intellij.openapi.module.Module;
 
 public abstract class ModulePackageIndex extends PackageIndex {
   public static ModulePackageIndex getInstance(Module module) {
-    return module.getService(ModulePackageIndex.class);
+    return module.getProject().getService(ModulePackageIndexFactory.class).getService(module);
   }
 }

java/java-indexing-api/src/com/intellij/openapi/roots/ModulePackageIndexFactory.kt

@@ -0,0 +1,10 @@
+// Copyright 2000-2026 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+package com.intellij.openapi.roots
+
+import com.intellij.openapi.module.Module
+import org.jetbrains.annotations.ApiStatus
+
+@ApiStatus.Internal
+interface ModulePackageIndexFactory {
+  fun getService(module: Module): ModulePackageIndex
+}