NAME

ACE_Activation_Queue - Reifies a method into a request. Subclasses typically represent necessary state and behavior.

SYNOPSIS

#include <ace/Activation_Queue.h>

class ACE_Activation_Queue { public: ACE_Activation_Queue ( ACE_Message_Queue<ACE_SYNCH> *new_queue = 0 ); virtual ~ACE_Activation_Queue (void); ACE_Method_Request *dequeue (ACE_Time_Value *tv = 0); int enqueue ( ACE_Method_Request *new_method_request, ACE_Time_Value *tv = 0 ); int method_count (void) const; int is_empty (void) const; int is_full (void) const; void dump (void) const; ACE_ALLOC_HOOK_DECLARE; protected: ACE_Message_Queue<ACE_SYNCH> *queue_; int delete_queue_; };

DESCRIPTION

A Method_Request is inserted in the Activation_Queue, where it is subsequently removed by the Scheduler, which invokes its call method..

Initialization and termination methods.

ACE_Activation_Queue (ACE_Message_Queue<ACE_SYNCH> *new_queue = 0);

virtual ~ACE_Activation_Queue (void);

Activate Queue operations.

For the following two methods if timeout == 0, the caller will block until action is possible, else will wait until the absolute time specified in *timeout elapses. These calls will return, however, when queue is closed, deactivated, when a signal occurs, or if the time specified in timeout elapses, (in which case errno
ACE_Method_Request *dequeue (ACE_Time_Value *tv = 0);

int enqueue (
    ACE_Method_Request *new_method_request,
    ACE_Time_Value *tv = 0
    );

int method_count (void) const;

int is_empty (void) const;

int is_full (void) const;

void dump (void) const;

ACE_ALLOC_HOOK_DECLARE;

AUTHOR

Andres Kruse Andres.Kruse@cern.ch and Douglas C. Schmidt schmidt@cs.wustl.edu

LIBRARY

ace