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diff --git a/TAO/tao/Connection_Purging_Strategy.h b/TAO/tao/Connection_Purging_Strategy.h
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+// -*- C++ -*-
+
+// ================================================================
+/**
+ * @file Connection_Purging_Strategy.h
+ *
+ * $Id$
+ *
+ * @author Chad Elliott (elliott_c@ociweb.com)
+ */
+// ================================================================
+
+#ifndef TAO_PURGING_STRATEGY_H
+#define TAO_PURGING_STRATEGY_H
+
+#include /**/ "ace/pre.h"
+
+#include /**/ "tao/TAO_Export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include /**/ "tao/Versioned_Namespace.h"
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+class TAO_Transport;
+
+// ****************************************************************
+
+/**
+ * @class TAO_Connection_Purging_Strategy
+ *
+ * @brief The base class for all purging strategies
+ *
+ * This class is used by the Transport_Cache_Manager to maintain
+ * ordering information on each Transport that is created.
+ */
+
+class TAO_Export TAO_Connection_Purging_Strategy
+{
+public:
+ /// The constructor
+ TAO_Connection_Purging_Strategy (int cache_maximum);
+
+ /// The destructor
+ virtual ~TAO_Connection_Purging_Strategy (void);
+
+ /// Return the maximum number of cache entries
+ virtual int cache_maximum (void) const;
+
+ /// Sub-classes must implement these methods
+ virtual void update_item (TAO_Transport* transport) = 0;
+
+private:
+ /// The maximum number of cach entries
+ int cache_maximum_;
+};
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#if defined (__ACE_INLINE__)
+# include "tao/Connection_Purging_Strategy.inl"
+#endif /* __ACE_INLINE__ */
+
+#include /**/ "ace/post.h"
+#endif /* TAO_PURGING_STRATEGY_H */