From 3a26ed23a8180e4aac06b8ed3c0ff2caec232ffc Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Wed, 8 Jun 2011 08:28:43 +0200
Subject: [PATCH] cache groovy class interfaces

---
 .../psi/impl/statements/typedef/GrTypeDefinitionImpl.java  | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/typedef/GrTypeDefinitionImpl.java b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/typedef/GrTypeDefinitionImpl.java
index 65d989f6b3f1..384e26abeb4d 100644
--- a/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/typedef/GrTypeDefinitionImpl.java
+++ b/plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/typedef/GrTypeDefinitionImpl.java
@@ -308,7 +308,12 @@ public abstract class GrTypeDefinitionImpl extends GrStubElementBase<GrTypeDefin
   }
 
   public PsiClass[] getInterfaces() {
-    return GrClassImplUtil.getInterfaces(this);
+    return CachedValuesManager.getManager(getProject()).getCachedValue(this, new CachedValueProvider<PsiClass[]>() {
+      @Override
+      public Result<PsiClass[]> compute() {
+        return Result.create(GrClassImplUtil.getInterfaces(GrTypeDefinitionImpl.this), PsiModificationTracker.JAVA_STRUCTURE_MODIFICATION_COUNT);
+      }
+    });
   }
 
   @NotNull