From 88b3ecdc6f86a96ae90ab875dafa644452bd4d9a Mon Sep 17 00:00:00 2001
From: "Maxim.Mossienko" <Maxim.Mossienko@jetbrains.com>
Date: Mon, 3 Nov 2014 13:13:55 +0100
Subject: [PATCH] avoid Map.Entry instances creation:

 gnu.trove.THashMap$EntryView$EntryIterator.objectAtIndex: 1,354,005,709,608 (10.80%) bytes in 56,416,904,567 (15.09%) objects (avg size 24 bytes)
 	gnu.trove.THashMap$Entry: 1,354,005,709,608 (10.80%) bytes in 56,416,904,567 (15.09%) objects (avg size 24 bytes)
---
 .../intellij/util/indexing/ValueContainerImpl.java   | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/platform/lang-impl/src/com/intellij/util/indexing/ValueContainerImpl.java b/platform/lang-impl/src/com/intellij/util/indexing/ValueContainerImpl.java
index 90f29dccb4d1..55586b5e8b76 100644
--- a/platform/lang-impl/src/com/intellij/util/indexing/ValueContainerImpl.java
+++ b/platform/lang-impl/src/com/intellij/util/indexing/ValueContainerImpl.java
@@ -184,8 +184,10 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
         };
       } else {
         return new ValueIterator<Value>() {
-          private Map.Entry<Value, Object> current;
-          final Iterator<Map.Entry<Value, Object>> iterator = ((THashMap<Value, Object>)myInputIdMapping).entrySet().iterator();
+          private Value current;
+          private Object currentValue;
+          private final THashMap<Value, Object> myMapping = ((THashMap<Value, Object>)myInputIdMapping);
+          private final Iterator<Value> iterator = myMapping.keySet().iterator();
 
           @Override
           public boolean hasNext() {
@@ -194,7 +196,9 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
 
           @Override
           public Value next() {
-            Value next = (current = iterator.next()).getKey();
+            current = iterator.next();
+            Value next = current;
+            currentValue = myMapping.get(next);
             if (next == myNullValue) next = null;
             return next;
           }
@@ -219,7 +223,7 @@ class ValueContainerImpl<Value> extends UpdatableValueContainer<Value> implement
           @Override
           public Object getFileSetObject() {
             if (current == null) throw new IllegalStateException();
-            return current.getValue();
+            return currentValue;
           }
         };
       }