From 673c2928a1b567958c2d9eabe2995a039f2aa1e2 Mon Sep 17 00:00:00 2001
From: "Christopher L. Shannon" <christopher.l.shannon@gmail.com>
Date: Sat, 28 Nov 2015 13:25:53 -0500
Subject: [PATCH] https://issues.apache.org/jira/browse/AMQ-6066

Improving performance of OrderedPendingList contains method

Thanks for David Sitsky for the patch
---
 .../activemq/broker/region/cursors/OrderedPendingList.java  | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/activemq-broker/src/main/java/org/apache/activemq/broker/region/cursors/OrderedPendingList.java b/activemq-broker/src/main/java/org/apache/activemq/broker/region/cursors/OrderedPendingList.java
index 31870b110a..28fc13cfa0 100644
--- a/activemq-broker/src/main/java/org/apache/activemq/broker/region/cursors/OrderedPendingList.java
+++ b/activemq-broker/src/main/java/org/apache/activemq/broker/region/cursors/OrderedPendingList.java
@@ -162,11 +162,7 @@ public class OrderedPendingList implements PendingList {
     @Override
     public boolean contains(MessageReference message) {
         if (message != null) {
-            for (PendingNode value : map.values()) {
-                if (value.getMessage().equals(message)) {
-                    return true;
-                }
-            }
+            return this.map.containsKey(message.getMessageId());
         }
         return false;
     }