1 files changed, 109 insertions, 0 deletions
diff --git a/modules/CIAO/ciao/Servant_Activator.h b/modules/CIAO/ciao/Servant_Activator.h
new file mode 100644
index 00000000000..9a3cfc58644
--- /dev/null
+++ b/modules/CIAO/ciao/Servant_Activator.h
@@ -0,0 +1,109 @@
+// -*- C++ -*-
+
+//=============================================================================
+/**
+ *  @file    Servant_Activator.h
+ *
+ *  $Id$
+ *
+ *  @authors Balachandran Natarajan <bala@dre.vanderbilt.edu>
+ */
+//=============================================================================
+
+#ifndef CIAO_SERVANT_ACTIVATOR_H
+#define CIAO_SERVANT_ACTIVATOR_H
+#include /**/ "ace/pre.h"
+
+#include "ace/Array_Base.h"
+#include "ciao/CIAO_Server_Export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "tao/PortableServer/PortableServer.h"
+#include "tao/PortableServer/ServantActivatorC.h"
+#include "tao/PortableServer/ForwardRequestC.h"
+#include "tao/LocalObject.h"
+
+#if defined(_MSC_VER)
+#pragma warning(push)
+#pragma warning(disable:4250)
+#endif /* _MSC_VER */
+
+namespace CIAO
+{
+  class Port_Activator;
+
+  /**
+   * @class Servant_Activator
+   *
+   * @brief Activator that is registered with the POA for facet and
+   * consumer servants.
+   *
+   * This class acts like a factory in some sense. This factory is
+   * registered with the POA with RETAIN policy. When the factory gets
+   * a call back as part of the upcall, this factory looks at the
+   * list of port activators registered, uses the OID to pick the
+   * right one (yes a linear algorithm is used), calls activate () on
+   * it which returns the servant for *that* port.
+   */
+  class CIAO_SERVER_Export Servant_Activator
+    : public virtual PortableServer::ServantActivator
+    , public virtual TAO_Local_RefCounted_Object
+  {
+  public:
+    Servant_Activator (CORBA::ORB_ptr o);
+
+    virtual ~Servant_Activator (void);
+
+    bool update_port_activator (const PortableServer::ObjectId &oid)
+      ACE_THROW_SPEC ((CORBA::SystemException));
+
+    /// Template methods overridden to get callbacks.
+    /**
+     * If you would like to know the details of the following two
+     * methods, please PortableServer documentation. This is probably
+     * not the place to document what these mean.
+     */
+    PortableServer::Servant incarnate (
+      const PortableServer::ObjectId &oid,
+      PortableServer::POA_ptr poa)
+      ACE_THROW_SPEC ((CORBA::SystemException,
+                       PortableServer::ForwardRequest));
+
+    void etherealize (const PortableServer::ObjectId &oid,
+                      PortableServer::POA_ptr adapter,
+                      PortableServer::Servant servant,
+                      CORBA::Boolean cleanup_in_progress,
+                      CORBA::Boolean remaining_activations)
+      ACE_THROW_SPEC ((CORBA::SystemException));
+
+    /// Local helper methods
+    bool register_port_activator (Port_Activator *pa);
+
+  private:
+    /// Pointer to our ORB
+    CORBA::ORB_var orb_;
+
+    /// @@ This should be changed at some point of time so that we
+    /// don't  land up with a linear algorithm
+    typedef ACE_Array_Base<Port_Activator *> Port_Activators;
+
+    /// Array of port activators
+    Port_Activators pa_;
+
+    /// Running index of the slot that has been just filled in.
+    size_t slot_index_;
+
+    /// Mutex that synchronizes access to the array.
+    ACE_SYNCH_MUTEX  mutex_;
+  };
+}
+
+#if defined(_MSC_VER)
+#pragma warning(pop)
+#endif /* _MSC_VER */
+
+#include /**/ "ace/post.h"
+#endif /*CIAO_SERVANT_ACTIVATOR_H*/