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-rw-r--r--ace/Strategies.h195
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diff --git a/ace/Strategies.h b/ace/Strategies.h
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-/* -*- C++ -*- */
-// $Id$
-
-// ============================================================================
-//
-// = LIBRARY
-// ace
-//
-// = FILENAME
-// Strategies.h
-//
-// = AUTHOR
-// Doug Schmidt
-//
-// ============================================================================
-
-#ifndef ACE_STRATEGIES_H
-#define ACE_STRATEGIES_H
-#include "ace/pre.h"
-
-#include "ace/Event_Handler.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-# pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-// Forward decls.
-class ACE_Reactor;
-
-class ACE_Export ACE_Notification_Strategy
-{
- // = TITLE
- // Abstract class used for notifing an interested party
- //
- // = DESCRIPTION
- // A vehicle for extending the behavior of ACE_Message_Queue wrt
- // notification *without subclassing*. Thus, it's an example of
- // the Bridge/Strategy patterns.
-public:
- ACE_Notification_Strategy (ACE_Event_Handler *eh,
- ACE_Reactor_Mask mask);
- virtual ~ACE_Notification_Strategy (void);
-
- virtual int notify (void) = 0;
- virtual int notify (ACE_Event_Handler *,
- ACE_Reactor_Mask mask) = 0;
-
- // Get/Set the event handler
- ACE_Event_Handler *event_handler (void);
- void event_handler (ACE_Event_Handler *eh);
-
- // Get/Set the reactor mask
- ACE_Reactor_Mask mask (void);
- void mask (ACE_Reactor_Mask m);
-
-protected:
- ACE_Event_Handler *eh_;
- ACE_Reactor_Mask mask_;
-};
-
-class ACE_Export ACE_Reactor_Notification_Strategy : public ACE_Notification_Strategy
-{
- // = TITLE
- // Used to notify an ACE_Reactor
- //
- // = DESCRIPTION
- // Integrates the <ACE_Message_Queue> notification into the
- // <ACE_Reactor::notify> method.
-public:
- ACE_Reactor_Notification_Strategy (ACE_Reactor *reactor,
- ACE_Event_Handler *eh,
- ACE_Reactor_Mask mask);
-
- virtual ~ACE_Reactor_Notification_Strategy (void);
- // Default dtor.
-
- virtual int notify (void);
-
- virtual int notify (ACE_Event_Handler *,
- ACE_Reactor_Mask mask);
-
- // Get/Set the reactor
- ACE_Reactor *reactor (void);
- void reactor (ACE_Reactor *r);
-
-protected:
- ACE_Reactor *reactor_;
-};
-
-class ACE_Export ACE_Connection_Recycling_Strategy
-{
- // = TITLE
- // Defines the interface for a connection recycler.
-public:
- virtual ~ACE_Connection_Recycling_Strategy (void);
- // Virtual Destructor
-
- virtual int purge (const void *recycling_act) = 0;
- // Remove from cache.
-
- virtual int cache (const void *recycling_act) = 0;
- // Add to cache.
-
- virtual int recycle_state (const void *recycling_act,
- ACE_Recyclable_State new_state) = 0;
-
- virtual ACE_Recyclable_State recycle_state (const void *recycling_act) const = 0;
- // Get/Set <recycle_state>.
-
- virtual int mark_as_closed (const void *recycling_act) = 0;
- // Mark as closed.
-
- virtual int mark_as_closed_i (const void *recycling_act) = 0;
- // Mark as closed.(non-locking version)
-
- virtual int cleanup_hint (const void *recycling_act,
- void **act_holder = 0) = 0;
- // Cleanup hint and reset <*act_holder> to zero if <act_holder != 0>.
-
-protected:
- ACE_Connection_Recycling_Strategy (void);
- // Default ctor.
-};
-
-class ACE_Export ACE_Recyclable
-{
-public:
- virtual ~ACE_Recyclable (void);
- // Destructor.
-
- // = Set/Get the recyclable bit
- ACE_Recyclable_State recycle_state (void) const;
- void recycle_state (ACE_Recyclable_State new_state);
-
-protected:
- ACE_Recyclable (ACE_Recyclable_State initial_state);
- // Protected constructor.
-
- ACE_Recyclable_State recycle_state_;
- // Our state.
-};
-
-class ACE_Export ACE_Hashable
-{
-public:
- virtual ~ACE_Hashable (void);
- // Destructor.
-
- virtual u_long hash (void) const;
- // Computes and returns hash value. This "caches" the hash value to
- // improve performance.
-
-protected:
- ACE_Hashable (void);
- // Protected constructor.
-
- virtual u_long hash_i (void) const = 0;
- // This is the method that actually performs the non-cached hash
- // computation.
-
- u_long hash_value_;
- // Pre-computed hash-value.
-
-};
-
-class ACE_Export ACE_Refcountable
-{
-public:
- virtual ~ACE_Refcountable (void);
- // Destructor.
-
- // = Increment/Decrement refcount
- int increment (void);
- int decrement (void);
-
- int refcount (void) const;
- // Returns the current refcount.
-
-protected:
- ACE_Refcountable (int refcount);
- // Protected constructor.
-
- int refcount_;
- // Current refcount.
-};
-
-// This needs to come here to avoid circular dependencies.
-#include "ace/Strategies_T.h"
-
-#if defined (__ACE_INLINE__)
-#include "ace/Strategies.i"
-#endif /* __ACE_INLINE __ */
-
-#include "ace/post.h"
-#endif /* ACE_STRATEGIES_H */