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diff --git a/modules/CIAO/ciao/Port_Activator.h b/modules/CIAO/ciao/Port_Activator.h
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+++ b/modules/CIAO/ciao/Port_Activator.h
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+// -*- C++ -*-
+//=============================================================================
+/**
+ *  @file    Port_Activator.h
+ *
+ *  $Id$
+ *
+ *  @authors Bala Natarajan <bala@dre.vanderbilt.edu>
+ */
+//=============================================================================
+
+#ifndef CIAO_PORT_ACTIVATOR_H
+#define CIAO_PORT_ACTIVATOR_H
+#include /**/ "ace/pre.h"
+
+#include "ace/config-lite.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "ciao/CIAO_Server_Export.h"
+
+#include "tao/PortableServer/PortableServer.h"
+
+namespace CIAO
+{
+  /**
+   * @class Port_Activator
+   *
+   * @brief Base class for port activations
+   *
+   * This is a ABC for the Port_Activator_T <> template class where
+   * the bulk of the work is done. This class is simply a place holder
+   * so that we could use the pointer to this class to achieve
+   * polymorphism for facet and consumer servant activations.
+   *
+   */
+  class CIAO_SERVER_Export Port_Activator
+  {
+  public:
+    enum Type
+      {
+        Facet,
+        Sink
+      };
+
+    Port_Activator (const char *oid,
+                    const char *name,
+                    Type t);
+
+    virtual ~Port_Activator (void);
+
+    /// Return the oid of port that this activator encapulates.
+    const char* oid (void) const;
+
+    /// Set the oid
+    void oid (const char* oid);
+
+    /// Return the oid of port that this activator encapulates.
+    const char* name (void) const;
+
+    /// Activate the servant reponsible for this port.
+    /**
+     * There are intentionally no throw specifications. It is the
+     * caller's responsibility to handle CORBA and C++
+     * specifications.
+     */
+    virtual PortableServer::Servant activate (
+        const PortableServer::ObjectId &oid) = 0;
+
+    virtual void deactivate (
+        const PortableServer::Servant servant) = 0;
+
+  protected:
+    /// The object ID that is used to activate the servant within the
+    /// POA.
+    CORBA::String_var oid_;
+
+    /// Name of the port
+    CORBA::String_var name_;
+
+    /// What type of port is it, a consumer or facet.
+    Type const t_;
+  };
+}
+
+
+
+#include /**/ "ace/post.h"
+#endif /*CIAO_PORT_ACTIVATOR_H*/