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-rw-r--r--TAO/tao/Context.h299
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diff --git a/TAO/tao/Context.h b/TAO/tao/Context.h
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-// This may look like C, but it's really -*- C++ -*-
-// $Id$
-
-// ============================================================================
-//
-// = LIBRARY
-// TAO
-//
-// = FILENAME
-// Context.h
-//
-// = DESCRIPTION
-// Header file for CORBA Context class.
-//
-// = AUTHOR
-// Jeff Parsons <parsons@cs.wustl.edu>
-//
-// ============================================================================
-
-#ifndef TAO_CONTEXT_H
-#define TAO_CONTEXT_H
-
-#include "tao/corbafwd.h"
-
-#if !defined (TAO_HAS_MINIMUM_CORBA)
-
-class TAO_Export CORBA_Context
-{
- // = TITLE
- // CORBA_Context
- //
- // = DESCRIPTION
- // TAO's minimal implementation of the Context interface. Since
- // Contexts are inherently un-typesafe, there use is deprecated
- // and the feature may eventaully disappear from CORBA. It is
- // implemented only to make the arg list of
- // CORBA_Object::_create_request() compliant. The only (pointer)
- // value that should be passed is 0.
- //
-public:
- // = Initialization and termination methods.
- CORBA_Context (void);
- // Constructor.
-
- ~CORBA_Context (void);
- // Destructor.
-
- // = Pseudo-object methods
- static CORBA_Context *_duplicate (CORBA_Context*);
- static CORBA_Context *_nil (void);
-
- // = Reference counting.
- CORBA::ULong _incr_refcnt (void);
- CORBA::ULong _decr_refcnt (void);
-
- // = All the spec-required functions below will just throw a
- // CORBA::NO_IMPLEMENT exception and do nothing else.
-
- const char *context_name (CORBA::Environment &ACE_TRY_ENV =
- TAO_default_environment ()) const;
-
- CORBA_Context_ptr parent (CORBA::Environment &ACE_TRY_ENV =
- TAO_default_environment ()) const;
-
- void create_child (const char *child_ctx_name,
- CORBA_Context_out child_ctx,
- CORBA::Environment &ACE_TRY_ENV =
- TAO_default_environment ());
-
- void set_one_value (const char *propname,
- const CORBA_Any &propvalue,
- CORBA::Environment &ACE_TRY_ENV =
- TAO_default_environment ());
-
- void set_values (CORBA::NVList_ptr values,
- CORBA::Environment &ACE_TRY_ENV =
- TAO_default_environment ());
-
- void delete_values (const char *propname,
- CORBA::Environment &ACE_TRY_ENV =
- TAO_default_environment ());
-
- void get_values (const char *start_scope,
- CORBA::Flags op_flags,
- const char *pattern,
- CORBA::NVList_ptr &values,
- CORBA::Environment &ACE_TRY_ENV =
- TAO_default_environment ());
-
-#if !defined(__GNUC__) || __GNUC__ > 2 || __GNUC_MINOR__ >= 8
- typedef CORBA_Context_ptr _ptr_type;
- typedef CORBA_Context_var _var_type;
-#endif /* __GNUC__ */
- // Useful for template programming.
-
-private:
- CORBA::ULong refcount_;
- // Reference counting.
-
- ACE_SYNCH_MUTEX refcount_lock_;
- // Protect the reference count.
-};
-
-typedef CORBA_Context* CORBA_Context_ptr;
-
-class TAO_Export CORBA_Context_var
-{
- // = TITLE
- // The T_var class for Context
- //
- // = DESCRIPTION
- // As any other pseudo object Context must have a T_var class,
- // the interface an semantics are specified in the CORBA spec.
- //
- // We use <CORBA_Context_ptr> as the _ptr type instead of
- // <CORBA::Context_ptr> in an attempt to reduced the cyclic
- // dependencies in TAO.
-public:
- CORBA_Context_var (void);
- CORBA_Context_var (CORBA_Context_ptr);
- CORBA_Context_var (const CORBA_Context_var &);
- ~CORBA_Context_var (void);
-
- CORBA_Context_var &operator= (CORBA_Context_ptr);
- CORBA_Context_var &operator= (const CORBA_Context_var &);
- CORBA_Context_ptr operator-> (void) const;
-
- operator const CORBA_Context_ptr &() const;
- operator CORBA_Context_ptr &();
- // in, inout, out, _retn
- CORBA_Context_ptr in (void) const;
- CORBA_Context_ptr &inout (void);
- CORBA_Context_ptr &out (void);
- CORBA_Context_ptr _retn (void);
- CORBA_Context_ptr ptr (void) const;
-
-private:
- CORBA_Context_ptr ptr_;
-};
-
-class TAO_Export CORBA_Context_out
-{
- // = TITLE
- // The T_out class for Context
- //
- // = DESCRIPTION
- // As any other pseudo object Context must have a T_out class,
- // the interface an semantics are specified in the CORBA spec.
- //
- // We use <CORBA_Context_ptr> as the _ptr type instead of
- // <CORBA::Context_ptr> in an attempt to reduced the cyclic
- // dependencies in TAO.
-public:
- CORBA_Context_out (CORBA_Context_ptr &);
- CORBA_Context_out (CORBA_Context_var &);
- CORBA_Context_out (CORBA_Context_out &);
- CORBA_Context_out &operator= (CORBA_Context_out &);
- CORBA_Context_out &operator= (const CORBA_Context_var &);
- CORBA_Context_out &operator= (CORBA_Context_ptr);
- operator CORBA_Context_ptr &();
- CORBA_Context_ptr &ptr (void);
- CORBA_Context_ptr operator-> (void);
-
-private:
- CORBA_Context_ptr &ptr_;
-};
-
-class CORBA_ContextList
-{
- // = TITLE
- // ContextList definition taken from CORBA v2.3a Dec 1998
- //
- // = DESCRIPTION
- // Maintains a list of strings for Contexts.
-public:
- CORBA_ContextList (void);
- // Constructor.
-
- CORBA_ContextList (CORBA::ULong len,
- char **ctx_list);
- // Constructor - initialize given a length and an array of
- // strings.
-
- ~CORBA_ContextList (void);
- // destructor
-
- CORBA::ULong count ();
- // return the number of elements
-
- CORBA_ContextList_ptr _duplicate (void);
- // Increment the reference count.
-
- static CORBA_ContextList_ptr _duplicate (CORBA_ContextList *);
- // Increment the reference count.
-
- void _destroy (void);
- // Decrement the reference count and delete if it is 0.
-
- static CORBA_ContextList_ptr _nil ();
- // Return null pointer of this type.
-
- void add (char *ctx);
- // Add a string to the list.
-
- void add_consume (char *ctx);
- // Add and consume a string to the list.
-
- char *item (CORBA::ULong slot,
- CORBA_Environment &ACE_TRY_ENV =
- TAO_default_environment ());
- // Return the typecode at slot i. Raises the "Bounds" exception.
-
- void remove (CORBA::ULong slot,
- CORBA_Environment &ACE_TRY_ENV =
- TAO_default_environment ());
- // remove the typecode at slot i. Raises the "Bounds" exception
-
- void _incr_refcnt (void);
- void _decr_refcnt (void);
- // Increment and decrement ref counts
-
-#if !defined(__GNUC__) || __GNUC__ > 2 || __GNUC_MINOR__ >= 8
- typedef CORBA::ContextList_ptr _ptr_type;
- typedef CORBA::ContextList_var _var_type;
-#endif /* __GNUC__ */
- // Useful for template programming.
-
-private:
- // Not allowed.
- CORBA_ContextList (const CORBA_ContextList &);
- CORBA_ContextList &operator= (const CORBA_ContextList &);
-
- ACE_Atomic_Op<ACE_SYNCH_MUTEX, CORBA::ULong> ref_count_;
- // Reference counter.
-
- ACE_Unbounded_Queue<char *> ctx_list_;
- // Internal list of typecodes.
-};
-
-class TAO_Export CORBA_ContextList_var
-{
-public:
- CORBA_ContextList_var (void); // default constructor
- CORBA_ContextList_var (CORBA_ContextList_ptr);
- CORBA_ContextList_var (const CORBA_ContextList_var &); // copy constructor
- ~CORBA_ContextList_var (void); // destructor
-
- CORBA_ContextList_var &operator= (CORBA_ContextList_ptr);
- CORBA_ContextList_var &operator= (const CORBA_ContextList_var &);
- CORBA_ContextList_ptr operator-> (void) const;
-
- operator const CORBA_ContextList_ptr &() const;
- operator CORBA_ContextList_ptr &();
- // in, inout, out, _retn
- CORBA_ContextList_ptr in (void) const;
- CORBA_ContextList_ptr &inout (void);
- CORBA_ContextList_ptr &out (void);
- CORBA_ContextList_ptr _retn (void);
- CORBA_ContextList_ptr ptr (void) const;
-
-private:
- CORBA_ContextList_ptr ptr_;
-};
-
-class TAO_Export CORBA_ContextList_out
-{
- // = TITLE
- // The T_out class for ContextList
- //
- // = DESCRIPTION
- // As any other pseudo object ContextList must have a T_out class,
- // the interface an semantics are specified in the CORBA spec.
- //
- // = NOTE
- // We use CORBA_ContextList_ptr as the _ptr type instead of
- // CORBA::ContextList_ptr, this is an attempt to reduced the cyclic
- // dependencies in TAO.
- //
-public:
- CORBA_ContextList_out (CORBA_ContextList_ptr &);
- CORBA_ContextList_out (CORBA_ContextList_var &);
- CORBA_ContextList_out (CORBA_ContextList_out &);
- CORBA_ContextList_out &operator= (CORBA_ContextList_out &);
- CORBA_ContextList_out &operator= (const CORBA_ContextList_var &);
- CORBA_ContextList_out &operator= (CORBA_ContextList_ptr);
- operator CORBA_ContextList_ptr &();
- CORBA_ContextList_ptr &ptr (void);
- CORBA_ContextList_ptr operator-> (void);
-
-private:
- CORBA_ContextList_ptr &ptr_;
-};
-
-#if defined (__ACE_INLINE__)
-# include "tao/Context.i"
-#endif /* __ACE_INLINE__ */
-
-#endif /* TAO_HAS_MINIMUM_CORBA */
-#endif /* TAO_CONTEXT_H */
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