--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/routing/ProphetNodeList.h	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,97 @@
+/*
+ *    Copyright 2007 Baylor 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.
+ */
+
+#ifndef _PROPHET_NODE_LIST_H_
+#define _PROPHET_NODE_LIST_H_
+
+#include "prophet/Node.h"
+#include "prophet/Table.h"
+#include "storage/ProphetStore.h"
+#include <oasys/debug/Log.h>
+
+namespace dtn
+{
+
+/**
+ * Maintain a one-to-one mapping of objects in memory to objects
+ * in permanent store, much like a write-thru cache
+ */
+class ProphetNodeList
+{
+public:
+    /**
+     * Constructor
+     */
+    ProphetNodeList();
+
+    /**
+     * Destructor
+     */
+    virtual ~ProphetNodeList();
+    
+    /**
+     * Deserialize from storage
+     */
+    void load(const prophet::Node* n);
+
+    /**
+     * Update (or add new) node in permanent store
+     */
+    void update(const prophet::Node* n);
+
+    /**
+     * Remove node from permanent store
+     */
+    void del(const prophet::Node* n);
+
+    /**
+     * Retrieve node from permanent store; returns NULL if not found
+     */
+    const prophet::Node* find(const std::string& dest_id) const;
+
+    /**
+     * Copy list of nodes from permanent store into prophet::Table
+     */
+    void clone(prophet::Table* nodes, const prophet::NodeParams* params);
+
+    /**
+     * Clean up memory associated with this list (leaving permanent
+     * store untouched)
+     */
+    void clear();
+
+    ///@{ Accessors
+    bool empty() const { return list_.empty(); }
+    size_t size() const { return list_.size(); }
+    ///@}
+
+protected:
+    typedef std::list<prophet::Node*> List;
+    typedef List::iterator iterator;
+    typedef List::const_iterator const_iterator;
+
+    /**
+     * Given primary key, locate node in list
+     */
+    bool find(const std::string& dest_id, iterator& i);
+
+    List list_; ///< collection of prophet::Node's
+
+}; // class ProphetNodeList
+
+}; // namespace dtn
+
+#endif // _PROPHET_NODE_LIST_H_