From da374205d6f5175dffe14fa5244f82666a246ee7 Mon Sep 17 00:00:00 2001
From: Dave Brosius <dbrosius@mebigfatguy.com>
Date: Wed, 25 May 2016 20:19:12 -0400
Subject: [PATCH] avoid map lookups, in loops

---
 .../com/netflix/hystrix/HystrixObservableCollapser.java   | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/hystrix-core/src/main/java/com/netflix/hystrix/HystrixObservableCollapser.java b/hystrix-core/src/main/java/com/netflix/hystrix/HystrixObservableCollapser.java
index 0ee9f94d9..9f32fc734 100644
--- a/hystrix-core/src/main/java/com/netflix/hystrix/HystrixObservableCollapser.java
+++ b/hystrix-core/src/main/java/com/netflix/hystrix/HystrixObservableCollapser.java
@@ -202,8 +202,7 @@ public void call(BatchReturnType batchReturnType) {
                             @Override
                             public void call(Throwable t) {
                                 Exception ex = getExceptionFromThrowable(t);
-                                for (K key: requestsByKey.keySet()) {
-                                    CollapsedRequest<ResponseType, RequestArgumentType> collapsedReq = requestsByKey.get(key);
+                                for (CollapsedRequest<ResponseType, RequestArgumentType> collapsedReq : requestsByKey.values()) {
                                     collapsedReq.setException(ex);
                                 }
                             }
@@ -212,8 +211,9 @@ public void call(Throwable t) {
                             @Override
                             public void call() {
 
-                                for (K key : requestsByKey.keySet()) {
-                                    CollapsedRequest<ResponseType, RequestArgumentType> collapsedReq = requestsByKey.get(key);
+                                for (Map.Entry<K, CollapsedRequest<ResponseType, RequestArgumentType>> entry : requestsByKey.entrySet()) {
+                                    K key = entry.getKey();
+                                    CollapsedRequest<ResponseType, RequestArgumentType> collapsedReq = entry.getValue();
                                     if (!seenKeys.contains(key)) {
                                         try {
                                             onMissingResponse(collapsedReq);