From 34a4e1ee1e5d50b19964383635db4713d2d35042 Mon Sep 17 00:00:00 2001
From: Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
Date: Wed, 11 Dec 2019 16:46:31 +0300
Subject: [PATCH] prevent FileIndexDataInitialization leak: use static class
 instead of lambda

GitOrigin-RevId: 604e0ae30d71262df405e93ae97beccc65317e46
---
 .../intellij/util/indexing/FileBasedIndexImpl.java  | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java
index 3161c6d8576b..96d22ce0bdc7 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndexImpl.java
@@ -2500,9 +2500,11 @@ public final class FileBasedIndexImpl extends FileBasedIndex {
       // 2) we dispose FileBasedIndex before PersistentFS disposing
       PersistentFSImpl fs = (PersistentFSImpl)ManagingFS.getInstance();
       FileBasedIndexImpl fileBasedIndex = (FileBasedIndexImpl)FileBasedIndex.getInstance();
-      Disposable disposable = () -> fileBasedIndex.performShutdown(false);
+      Disposable disposable = () -> new MyShutDownTask().run();
       ApplicationManager.getApplication().addApplicationListener(new MyApplicationListener(fileBasedIndex), disposable);
       Disposer.register(fs, disposable);
+      myShutDownTask = new MyShutDownTask();
+      ShutDownTracker.getInstance().registerShutdownTask(myShutDownTask);
 
       initAssociatedDataForExtensions();
 
@@ -2571,8 +2573,6 @@ public final class FileBasedIndexImpl extends FileBasedIndex {
         return state;
       }
       finally {
-        myShutDownTask = () -> FileBasedIndexImpl.this.performShutdown(false);
-        ShutDownTracker.getInstance().registerShutdownTask(myShutDownTask);
 
         myFlushingFuture = FlushingDaemon.everyFiveSeconds(new Runnable() {
           private final SerializationManagerEx mySerializationManager = SerializationManagerEx.getInstanceEx();
@@ -2596,6 +2596,13 @@ public final class FileBasedIndexImpl extends FileBasedIndex {
     }
   }
 
+  private static class MyShutDownTask implements Runnable {
+    @Override
+    public void run() {
+      ((FileBasedIndexImpl)FileBasedIndex.getInstance()).performShutdown(false);
+    }
+  }
+
   private static class MyApplicationListener implements ApplicationListener {
     private final FileBasedIndexImpl myFileBasedIndex;