Refactored the OpenFlow controller package name-space and fixed a number of Javadoc warnings.
diff --git a/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/util/LRUHashMap.java b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/util/LRUHashMap.java
new file mode 100644
index 0000000..866794f
--- /dev/null
+++ b/of/ctl/src/main/java/org/onlab/onos/of/controller/impl/util/LRUHashMap.java
@@ -0,0 +1,38 @@
+/**
+ *    Copyright 2011, Big Switch Networks, Inc.
+ *    Originally created by David Erickson, Stanford University
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *    not use this file except in compliance with the License. You may obtain
+ *    a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ *    License for the specific language governing permissions and limitations
+ *    under the License.
+ **/
+
+package org.onlab.onos.of.controller.impl.util;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+public class LRUHashMap<K, V> extends LinkedHashMap<K, V> {
+
+    private static final long serialVersionUID = 1L;
+
+    private final int capacity;
+
+    public LRUHashMap(int capacity) {
+        super(capacity + 1, 0.75f, true);
+        this.capacity = capacity;
+    }
+
+    protected boolean removeEldestEntry(Map.Entry<K, V> eldest) {
+        return size() > capacity;
+    }
+
+}