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/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Activation_Queue.h
//
// = AUTHOR
// Andres Kruse <Andres.Kruse@cern.ch> and Douglas C. Schmidt
// <schmidt@cs.wustl.edu>
//
// ============================================================================
#if !defined (ACE_ACTIVATION_QUEUE_H)
#define ACE_ACTIVATION_QUEUE_H
#include "ace/Synch.h"
#include "ace/Message_Queue.h"
#include "ace/Method_Object.h"
class ACE_Export ACE_Activation_Queue
// = TITLE
// Reifies a method into an object. Subclasses typically
// represent necessary state and behavior.
//
// = DESCRIPTION
// A <Method_Object> is inserted in the <Activation_Queue>, where
// it is subsequently removed by the <Scheduler> and invoked.
{
public:
// = Initialization and termination methods.
ACE_Activation_Queue (ACE_Message_Queue<ACE_SYNCH> *new_queue = 0);
~ACE_Activation_Queue (void);
// = Queue operations.
ACE_Method_Object *dequeue (ACE_Time_Value *tv = 0);
// Dequeue the next available <Method_Object>.
int enqueue (ACE_Method_Object *new_method_object,
ACE_Time_Value *tv = 0);
// Enqueue the <Method_Object>.
void dump (void) const;
// Dump the state of an object.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
private:
ACE_Message_Queue<ACE_SYNCH> *queue_;
// Stores the <Method_Objects>.
int delete_queue_;
// Keeps track of whether we need to delete the queue.
};
#endif /* ACE_ACTIVATION_QUEUE_H */
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