X-Git-Url: https://feistymeow.org/gitweb/?a=blobdiff_plain;f=kona%2Fsrc%2Forg%2Fgffs%2Fcache%2FLRUList.java;fp=kona%2Fsrc%2Forg%2Fgffs%2Fcache%2FLRUList.java;h=137e2a3bc8d2ff06123ef4e4ea151b8730ae1a8d;hb=13679382916f379ef7fc0cf02693f0186a905835;hp=0000000000000000000000000000000000000000;hpb=909697fd6009240b5bf2643d54b129b06b733953;p=feisty_meow.git

diff --git a/kona/src/org/gffs/cache/LRUList.java b/kona/src/org/gffs/cache/LRUList.java
new file mode 100644
index 00000000..137e2a3b
--- /dev/null
+++ b/kona/src/org/gffs/cache/LRUList.java
@@ -0,0 +1,43 @@
+package org.gffs.cache;
+
+/*
+ * Copyright 2006 University of Virginia
+ * 
+ * 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.
+ */
+
+
+class LRUList<KeyType, DataType> extends CacheList<KeyType, DataType>
+{
+	public LRUList()
+	{
+		super(RoleBasedCacheNode.ROLE_LRU);
+	}
+
+	@Override
+	public void insert(RoleBasedCacheNode<KeyType, DataType> node)
+	{
+		// LRU inserts ALWAYS go at the tail
+		if (_tail == null) {
+			_head = _tail = node;
+			return;
+		}
+
+		_tail.setNext(_myRole, node);
+		node.setPrevious(_myRole, _tail);
+		_tail = node;
+	}
+
+	public void noteUse(RoleBasedCacheNode<KeyType, DataType> node)
+	{
+		remove(node);
+		insert(node);
+	}
+}
\ No newline at end of file