From f031f57a6b1472ab64f58be4fc94b74d859b4b61 Mon Sep 17 00:00:00 2001
From: fhanik <fhanik@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 20 Apr 2009 23:25:51 +0000
Subject: [PATCH] narrow down the interface for extension purposes

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@766912 13f79535-47bb-0310-9956-ffa450edef68
---
 .../jdbc-pool/java/org/apache/tomcat/jdbc/pool/FairBlockingQueue.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/FairBlockingQueue.java b/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/FairBlockingQueue.java
index 67f83e5f3..db5a0b3a0 100644
--- a/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/FairBlockingQueue.java
+++ b/modules/jdbc-pool/java/org/apache/tomcat/jdbc/pool/FairBlockingQueue.java
@@ -17,6 +17,7 @@
 package org.apache.tomcat.jdbc.pool;
 
 import java.util.Collection;
+import java.util.Deque;
 import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.NoSuchElementException;
@@ -39,7 +40,7 @@ import java.util.concurrent.locks.ReentrantLock;
 public class FairBlockingQueue<E> implements BlockingQueue<E> {
     ReentrantLock lock = new ReentrantLock(false);
 
-    LinkedList<E> items = null;
+    Deque<E> items = null;
 
     LinkedList<ExchangeCountDownLatch<E>> waiters = null;
     
-- 
2.11.0