--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servlib/prophet/PointerList.h	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,120 @@
+/*
+ *    Copyright 2006 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_POINTER_LIST_H_
+#define _PROPHET_POINTER_LIST_H_
+
+#include <vector>
+
+namespace prophet
+{
+
+/**
+ * Auto deletes pointers in list destructor
+ * This object assumes ownership for member pointers
+ * Creates copies of members instead of copies of pointers to members
+ */
+template<class T>
+class PointerList : public std::vector<T*>
+{
+public: 
+    typedef std::vector<T*> List;
+    typedef typename std::vector<T*>::iterator iterator;
+    typedef typename std::vector<T*>::const_iterator const_iterator;
+
+    /**
+     * Default constructor
+     */
+    PointerList()
+        : std::vector<T*>() {}
+
+    /**
+     * Copy constructor
+     */
+    PointerList(const PointerList& a)
+        : std::vector<T*>()
+    {
+        clear();
+        copy_from(a);
+    }
+
+    /**
+     * Destructor
+     */
+    virtual ~PointerList()
+    {
+        clear();
+    }
+
+    /**
+     * Assignment operator creates deep copy, not pointer copy
+     */
+    PointerList& operator= (const PointerList& a)
+    {
+        clear();
+        copy_from(a);
+        return *this;
+    }
+
+    /**
+     * Deletes member pointed to by iterator, then removes pointer
+     */
+    void erase(iterator i)
+    {
+        delete (*i);
+        List::erase(i);
+    }
+
+    /**
+     * Delete all member variables, then remove pointers from
+     * container
+     */
+    void clear()
+    {
+        free();
+        List::clear();
+    }
+
+protected:
+    /**
+     * Free memory pointed to by member variables
+     */
+    void free()
+    {
+        for(iterator i = List::begin();
+            i != List::end();
+            i++)
+        {
+            delete *i;
+        }
+    }
+    /**
+     * Utility function to perform deep copy from peer object
+     */
+    void copy_from(const PointerList& a)
+    {
+        for(const_iterator i = a.begin();
+            i != a.end();
+            i++)
+        {
+            push_back(new T(**i));
+        }
+    }
+}; // template PointerList<T>
+
+}; // namespace prophet
+
+#endif // _PROPHET_POINTER_LIST_H_