From 85a280b356e0d2d7d4e2b781e745a4d071e45cf9 Mon Sep 17 00:00:00 2001
From: norman <norman@apache.org>
Date: Fri, 4 May 2012 13:20:08 +0200
Subject: [PATCH] Let ChannelLocal implement Iterable. See #307

---
 .../java/org/jboss/netty/channel/ChannelLocal.java   | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/jboss/netty/channel/ChannelLocal.java b/src/main/java/org/jboss/netty/channel/ChannelLocal.java
index c8f1d80b92..1b883fb559 100644
--- a/src/main/java/org/jboss/netty/channel/ChannelLocal.java
+++ b/src/main/java/org/jboss/netty/channel/ChannelLocal.java
@@ -15,6 +15,9 @@
  */
 package org.jboss.netty.channel;
 
+import java.util.Collections;
+import java.util.Iterator;
+import java.util.Map.Entry;
 import java.util.concurrent.ConcurrentMap;
 
 import org.jboss.netty.util.internal.ConcurrentIdentityWeakKeyHashMap;
@@ -30,7 +33,7 @@ import org.jboss.netty.util.internal.ConcurrentIdentityWeakKeyHashMap;
  * property, which performs better.
  * @apiviz.stereotype utility
  */
-public class ChannelLocal<T> {
+public class ChannelLocal<T> implements Iterable<Entry<Channel, T>>{
 
     private final ConcurrentMap<Channel, T> map =
         new ConcurrentIdentityWeakKeyHashMap<Channel, T>();
@@ -153,4 +156,11 @@ public class ChannelLocal<T> {
             return removed;
         }
     }
+
+    /**
+     * Returns a <strong>read-only</strong> {@link Iterator} that holds all {@link Entry}'s of this ChannelLocal
+     */
+    public Iterator<Entry<Channel, T>> iterator() {
+        return Collections.unmodifiableSet(map.entrySet()).iterator();
+    }
 }