From 06ff8fa1e9bdb8f59f9d613efe6d347f6bcd35fb Mon Sep 17 00:00:00 2001
From: Eugene Zhuravlev <jeka@intellij.com>
Date: Tue, 22 Jun 2010 13:52:24 +0400
Subject: [PATCH] cleanup mem storage on all vfs events originated from inside
 IDEA

---
 .../src/com/intellij/util/indexing/FileBasedIndex.java | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java
index 814b85a91c7b..9cf1f579ec40 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java
@@ -48,7 +48,10 @@ import com.intellij.openapi.vfs.newvfs.ManagingFS;
 import com.intellij.openapi.vfs.newvfs.NewVirtualFile;
 import com.intellij.openapi.vfs.newvfs.events.VFileEvent;
 import com.intellij.openapi.vfs.newvfs.persistent.PersistentFS;
-import com.intellij.psi.*;
+import com.intellij.psi.PsiDocumentManager;
+import com.intellij.psi.PsiFile;
+import com.intellij.psi.PsiLock;
+import com.intellij.psi.SingleRootFileViewProvider;
 import com.intellij.psi.impl.PsiDocumentTransactionListener;
 import com.intellij.psi.impl.source.PsiFileImpl;
 import com.intellij.psi.search.EverythingGlobalScope;
@@ -213,9 +216,8 @@ public class FileBasedIndex implements ApplicationComponent {
     connection.subscribe(VirtualFileManager.VFS_CHANGES, new BulkFileListener() {
       public void before(List<? extends VFileEvent> events) {
         for (VFileEvent event : events) {
-          final Object requestor = event.getRequestor();
-          if (requestor instanceof FileDocumentManager || requestor instanceof PsiManager) {
-            cleanupMemoryStorage();
+          if (event.getRequestor() != null) {
+            cleanupMemoryStorage(); // the event was originated from inside IDEA
             break;
           }
         }