From 0c2e0b2f96ea29a38898d8a5012e8726a2e66353 Mon Sep 17 00:00:00 2001
From: Alexey Kudravtsev <cdr@intellij.com>
Date: Wed, 20 Nov 2013 15:39:14 +0400
Subject: [PATCH] read action

---
 .../intellij/psi/search/SearchRequestCollector.java | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/platform/indexing-api/src/com/intellij/psi/search/SearchRequestCollector.java b/platform/indexing-api/src/com/intellij/psi/search/SearchRequestCollector.java
index f11b5fbf9b65..fef43be72ba5 100644
--- a/platform/indexing-api/src/com/intellij/psi/search/SearchRequestCollector.java
+++ b/platform/indexing-api/src/com/intellij/psi/search/SearchRequestCollector.java
@@ -16,6 +16,8 @@
 package com.intellij.psi.search;
 
 import com.intellij.codeInsight.ContainerProvider;
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.util.Computable;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.PsiFileSystemItem;
@@ -82,9 +84,14 @@ public class SearchRequestCollector {
     searchWord(word, searchScope, searchContext, caseSensitive, getContainerName(searchTarget), processor);
   }
 
-  private static String getContainerName(@NotNull PsiElement target) {
-    PsiElement container = getContainer(target);
-    return container instanceof PsiNamedElement ? ((PsiNamedElement)container).getName() : null;
+  private static String getContainerName(@NotNull final PsiElement target) {
+    return ApplicationManager.getApplication().runReadAction(new Computable<String>() {
+      @Override
+      public String compute() {
+        PsiElement container = getContainer(target);
+        return container instanceof PsiNamedElement ? ((PsiNamedElement)container).getName() : null;
+      }
+    });
   }
 
   private static PsiElement getContainer(@NotNull PsiElement refElement) {