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-rw-r--r--ace/Future_Set.h118
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diff --git a/ace/Future_Set.h b/ace/Future_Set.h
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-/* -*- C++ -*- */
-// $Id$
-
-// ============================================================================
-//
-// = LIBRARY
-// ace
-//
-// = FILENAME
-// Future_Set.h
-//
-// = AUTHOR (S)
-// John Tucker <jtucker@infoglide.com>
-//
-// ============================================================================
-
-#ifndef ACE_FUTURE_SET_H
-#define ACE_FUTURE_SET_H
-
-#include /**/ "ace/Thread.h"
-#include /**/ "ace/Message_Queue.h"
-#include /**/ "ace/Future.h"
-#include /**/ "ace/Hash_Map_Manager.h"
-
-#if !defined (ACE_LACKS_PRAGMA_ONCE)
-#pragma once
-#endif /* ACE_LACKS_PRAGMA_ONCE */
-
-#if defined (ACE_HAS_THREADS)
-
-template <class T>
-class ACE_Future_Set : public ACE_Future_Observer<T>
-{
- // = TITLE
- // This class implements a mechanism which allows the values of
- // a collections of <ACE_Future> objects to be accessed by
- // reader threads as they become available.
-public:
- // = Initialization and termination methods.
-
- ACE_Future_Set (ACE_Message_Queue<ACE_SYNCH> *future_notification_queue_ = 0);
- // Constructor.
-
- ~ACE_Future_Set (void);
- // Destructor.
-
- int is_empty (void) const;
- // Return 1 if their are no <ACE_Future> objects left on its queue and
- // 0 otherwise
-
- int insert (ACE_Future<T> &future);
- // Enqueus the given <ACE_Future> into this objects queue when it is
- // readable.
- //
- // Returns 0 if the future is successfully inserted, 1 if the
- // future is already inserted, and -1 if failures occur.
-
- int next_readable (ACE_Future<T> &result,
- ACE_Time_Value *tv = 0);
- // Wait up to <tv> time to get the <value>. Note that <tv> must be
- // specified in absolute time rather than relative time.); get the
- // next <ACE_Future> that is readable. If <tv> = 0, the will block
- // forever.
- //
- // If a readable future becomes available, then the input result
- // will be assigned with it and 1 will will be returned. If the set
- // is empty, then 0 is returned.
-
- virtual void update (const ACE_Future<T> &future);
- // Called by the <ACE_Future> subject in which we are subscribed to
- // when its value is written to.
-
- ACE_ALLOC_HOOK_DECLARE;
- // Declare the dynamic allocation hooks.
-
-private:
- // = Disallow these operations.
- ACE_UNIMPLEMENTED_FUNC (void operator= (const ACE_Future_Set<T> &))
- ACE_UNIMPLEMENTED_FUNC (ACE_Future_Set (const ACE_Future_Set<T> &))
-
- typedef ACE_Future<T> FUTURE;
-
- typedef ACE_Future_Rep<T> FUTURE_REP;
-
- typedef ACE_Future_Holder<T> FUTURE_HOLDER;
-
- typedef ACE_Pointer_Hash<FUTURE_REP *> FUTURE_REP_HASH;
-
- typedef ACE_Equal_To<FUTURE_REP *> FUTURE_REP_COMPARE;
-
- typedef ACE_Hash_Map_Manager_Ex<FUTURE_REP *,
- FUTURE_HOLDER *,
- FUTURE_REP_HASH,
- FUTURE_REP_COMPARE,
- ACE_Null_Mutex> FUTURE_HASH_MAP;
-
- FUTURE_HASH_MAP future_map_;
- // Map of <ACE_Futures>, subjects, which have not been written to by
- // client's writer thread.
-
- ACE_Message_Queue<ACE_SYNCH> *future_notification_queue_;
- // Message queue for notifying the reader thread of <ACE_Futures> which
- // have been written to by client's writer thread.
-
- int delete_queue_;
- // Keeps track of whether we need to delete the message queue.
-};
-
-#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
-#include "ace/Future_Set.cpp"
-#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
-
-#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
-#pragma implementation ("Future_Set.cpp")
-#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
-
-#endif /* ACE_HAS_THREADS */
-#endif /* ACE_FUTURE_SET_H */