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// -*- C++ -*-
//=============================================================================
/**
* @file CSD_TP_Custom_Request_Operation.h
*
* $Id$
*
* @author Tim Bradley <bradley_t@ociweb.com>
*/
//=============================================================================
#ifndef TAO_CSD_TP_CUSTOM_REQUEST_OPERATION_H
#define TAO_CSD_TP_CUSTOM_REQUEST_OPERATION_H
#include /**/ "ace/pre.h"
#include "tao/CSD_ThreadPool/CSD_TP_Export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Intrusive_Ref_Count_Base_T.h"
#include "tao/Intrusive_Ref_Count_Handle_T.h"
#include "tao/PortableServer/Servant_Base.h"
#include "ace/Synch.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
namespace CSD
{
class TP_Custom_Request_Operation;
typedef TAO_Intrusive_Ref_Count_Handle<TP_Custom_Request_Operation>
TP_Custom_Request_Operation_Handle;
/**
* @class TP_Custom_Request_Operation
*
* @brief Base class for all custom request operations.
*
* @note The caller that creates a new TP_Custom_Request_Operation
* object needs call _add_ref () on the servant before
* constructing it and the TP_Custom_Request_Operation object
* is responsible to decrement the reference count.
*
* TBD - Add description
*/
class TAO_CSD_TP_Export TP_Custom_Request_Operation
: public TAO_Intrusive_Ref_Count_Base<ACE_SYNCH_MUTEX>
{
public:
/// Virtual Destructor.
virtual ~TP_Custom_Request_Operation();
/// Invoked by a worker thread to perform the operation.
void execute();
/// Invoked when the request has been cancelled.
void cancel();
/// Used by the TP_Strategy to obtain the target servant in order
/// to construct the custom request object. Returns the servant as
/// an "in" argument (the caller does not get a new 'copy'). This
/// is useful for chaining.
PortableServer::Servant servant();
protected:
/// Constructor.
TP_Custom_Request_Operation(PortableServer::Servant servant);
virtual void execute_i() = 0;
virtual void cancel_i() = 0;
private:
PortableServer::ServantBase_var servant_;
};
}
}
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
# include "tao/CSD_ThreadPool/CSD_TP_Custom_Request_Operation.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_CSD_TP_CUSTOM_REQUEST_OPERATION_H */
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