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+// -*- C++ -*-
+
+// ===================================================================
+/**
+ * @file PICurrent.h
+ *
+ * $Id$
+ *
+ * @author Ossama Othman <ossama@dre.vanderbilt.edu>
+ */
+// ===================================================================
+
+#ifndef TAO_PI_CURRENT_H
+#define TAO_PI_CURRENT_H
+
+#include /**/ "ace/pre.h"
+
+#include "tao/PI/pi_export.h"
+
+#if !defined (ACE_LACKS_PRAGMA_ONCE)
+# pragma once
+#endif /* ACE_LACKS_PRAGMA_ONCE */
+
+#include "tao/orbconf.h"
+
+#if TAO_HAS_INTERCEPTORS == 1
+
+#include "tao/PI/PI_includeC.h"
+
+#include "tao/LocalObject.h"
+#include "ace/Array_Base.h"
+
+#if defined(_MSC_VER)
+# pragma warning(push)
+# pragma warning(disable:4250)
+#endif /* _MSC_VER */
+
+TAO_BEGIN_VERSIONED_NAMESPACE_DECL
+
+/// Forward declarations.
+class TAO_ORB_Core;
+
+namespace TAO
+{
+ class PICurrent_Impl;
+
+ /**
+ * @class PICurrent
+ *
+ * @brief Implementation of the PortableInterceptor::Current
+ * interface.
+ *
+ * PortableInterceptor::Current is useful for passing data between
+ * request interceptors, in addition to passing data from an
+ * interceptor to the calling thread.
+ */
+ class TAO_PI_Export PICurrent
+ : public virtual PortableInterceptor::Current,
+ public virtual ::CORBA::LocalObject
+ {
+ public:
+ /// Constructor.
+ PICurrent (TAO_ORB_Core &orb_core);
+
+ /**
+ * @name PortableInterceptor::Current Methods
+ *
+ * These are methods exposed by the PortableInterceptor::Current
+ * interface.
+ */
+ //@{
+ /// Retrieve information stored in the slot table at the given
+ /// SlotId.
+ virtual CORBA::Any *get_slot (PortableInterceptor::SlotId id);
+
+ /// Set information in the slot table at the given SlotId.
+ virtual void set_slot (PortableInterceptor::SlotId identifier,
+ const CORBA::Any & data);
+ //@}
+
+ virtual CORBA::ORB_ptr _get_orb (void);
+
+ /// Number of slots allocated in the slot table.
+ PortableInterceptor::SlotId slot_count (void) const;
+
+ /// Retrieve the PICurrent implementation from TSS, i.e. the thread
+ /// scope current (TSC).
+ PICurrent_Impl * tsc (void);
+
+ /// Verify the validity of the given SlotId.
+ void check_validity (const PortableInterceptor::SlotId &identifier);
+
+ /// Initialize the PICurrent object.
+ void initialize (PortableInterceptor::SlotId sc);
+
+ protected:
+ /// Destructor
+ /**
+ * Protected destructor to enforce the fact this class is reference
+ * counted, and should not be destroyed using delete() by anything
+ * other than the reference counting mechanism.
+ */
+ virtual ~PICurrent (void);
+
+ private:
+ /// Prevent copying through the copy constructor and the assignment
+ /// operator.
+ //@{
+ PICurrent (const PICurrent &);
+ void operator= (const PICurrent &);
+ //@}
+
+ private:
+ /// Reference to the orb core.
+ TAO_ORB_Core &orb_core_;
+
+ /// TSS slot assigned to PICurrent_Impl objects in the OrbCore.
+ /// Allocated by the orb_core_.add_tss_cleanup_func() when our
+ /// initialize() method is called.
+ size_t tss_slot_;
+
+ /// The number of allocated PICurrent slots end user wants. (0 is
+ /// uninitialized or PICurrent is not used as no data is to be stored).
+ PortableInterceptor::SlotId slot_count_;
+ };
+}
+
+TAO_END_VERSIONED_NAMESPACE_DECL
+
+#if defined (__ACE_INLINE__)
+# include "tao/PI/PICurrent.inl"
+#endif /* __ACE_INLINE__ */
+
+#if defined(_MSC_VER)
+#pragma warning(pop)
+#endif /* _MSC_VER */
+
+#endif /* TAO_HAS_INTERCEPTORS == 1 */
+
+#include /**/ "ace/post.h"
+
+#endif /* TAO_PI_CURRENT_H */