From f93ad462825b26fef3777116a50895d6fb04c70b Mon Sep 17 00:00:00 2001
From: Tagir Valeev <Tagir.Valeev@jetbrains.com>
Date: Wed, 2 Dec 2020 13:04:49 +0700
Subject: [PATCH] [java-psi] filterAnnotations: avoid Streams

Usually the resulting list is 0-1 element but queried kinda often, so stream overhead is visible

GitOrigin-RevId: 06f9932a35b1cfbe4c9a619de986e0c54f8c0c52
---
 .../codeInsight/BaseExternalAnnotationsManager.java  | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/java/java-psi-impl/src/com/intellij/codeInsight/BaseExternalAnnotationsManager.java b/java/java-psi-impl/src/com/intellij/codeInsight/BaseExternalAnnotationsManager.java
index c484454aa0b9..9d9311b4c84b 100644
--- a/java/java-psi-impl/src/com/intellij/codeInsight/BaseExternalAnnotationsManager.java
+++ b/java/java-psi-impl/src/com/intellij/codeInsight/BaseExternalAnnotationsManager.java
@@ -105,10 +105,14 @@ public abstract class BaseExternalAnnotationsManager extends ExternalAnnotations
 
   @NotNull
   private List<PsiAnnotation> filterAnnotations(@NotNull List<AnnotationData> result, @NotNull String annotationFQN) {
-    return StreamEx.of(result)
-      .filter(data -> data.annotationClassFqName.equals(annotationFQN))
-      .map(data -> data.getAnnotation(this))
-      .toCollection(SmartList::new);
+    SmartList<PsiAnnotation> annotations = new SmartList<>();
+    for (AnnotationData data : result) {
+      if (data.annotationClassFqName.equals(annotationFQN)) {
+        PsiAnnotation annotation = data.getAnnotation(this);
+        annotations.add(annotation);
+      }
+    }
+    return annotations;
   }
 
   @Nullable