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ACE_Method_Request Class Reference

Reifies a method into a request. Subclasses must provide the necessary state and behavior. More...

#include <Method_Request.h>

List of all members.

Public Methods
	ACE_Method_Request (unsigned long priority=0)
	Constructor.
virtual	~ACE_Method_Request (void)
	Destructor.
unsigned long	priority (void) const
	Get priority.
void	priority (unsigned long prio)
	Set priority.
virtual int	call (void)=0
	Invoked by the scheduler to execute the request.
Protected Attributes
unsigned long	priority_
	The priority of the request.
Private Methods
void	operator= (const ACE_Method_Request &)
	ACE_Method_Request (const ACE_Method_Request &)

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Detailed Description

Reifies a method into a request. Subclasses must provide the necessary state and behavior.

An ACE_Method_Request is inserted in an ACE_Activation_Queue, where it is subsequently removed by a scheduler object (often derived from ACE_Task), which invokes the call() method.

This class is discussed in depth in the Active Object chapter of POSA2.

See also:

ACE_Activation_Queue

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Constructor & Destructor Documentation

ACE_Method_Request::ACE_Method_Request (  unsigned long    priority = 0 )

Constructor.

ACE_Method_Request::~ACE_Method_Request (  void    )  [virtual]

Destructor.

ACE_Method_Request::ACE_Method_Request (  const ACE_Method_Request &    )  [private]

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Member Function Documentation

virtual int ACE_Method_Request::call (  void    )  [pure virtual]

Invoked by the scheduler to execute the request. This method must be implemented by the subclass to perform the desired actions. Returns: int; not interpreted by ACE. The scheduler class must decide the meaning of this return value and act on it if needed.

void ACE_Method_Request::operator= (  const ACE_Method_Request &    )  [private]

void ACE_Method_Request::priority (  unsigned long    prio )

Set priority. Priority values are user-defined. The default (set in the constructor) is 0. The priority value is used in the ACE_Activation_Queue::enqueue() method to order the method requests in the queue by priority. 0 is the lowest priority. Parameters: prio  unsigned long, the new priority value for this object. See also: ACE_Activation_Queue::enqueue

unsigned long ACE_Method_Request::priority (  void    )  const

Get priority.

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Member Data Documentation

unsigned long ACE_Method_Request::priority_ [protected]

The priority of the request.

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The documentation for this class was generated from the following files:

• /export2/deucetmp/bala/release_try/ACE_wrappers/ace/Method_Request.h
• /export2/deucetmp/bala/release_try/ACE_wrappers/ace/Method_Request.cpp

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