--- /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_