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// -*- C++ -*-
//=============================================================================
/**
* @file CSD_TP_Collocated_Synch_With_Server_Request.h
*
* $Id$
*
* @author Tim Bradley <bradley_t@ociweb.com>
*/
//=============================================================================
#ifndef TAO_CSD_TP_COLLOCATED_SYNCH_WITH_SERVER_REQUEST_H
#define TAO_CSD_TP_COLLOCATED_SYNCH_WITH_SERVER_REQUEST_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/CSD_ThreadPool/CSD_TP_Corba_Request.h"
#include "tao/CSD_ThreadPool/CSD_TP_Synch_Helper.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
namespace TAO
{
namespace CSD
{
class TP_Collocated_Synch_With_Server_Request;
typedef TAO_Intrusive_Ref_Count_Handle
<TP_Collocated_Synch_With_Server_Request>
TP_Collocated_Synch_With_Server_Request_Handle;
/**
* @class TP_Collocated_Synch_With_Server_Request
*
* @brief Represents a "queue-able", one-way, collocated, CORBA
* request with a "Synch Scope" policy of SYNC_WITH_SERVER.
*
* This kind of request is one-way request with the SYNC_WITH_SERVER
* policy applied. It is cloned before enqueuing and the "enqueuing"
* thread will block until it is signalled by the TP_Task thread that
* will happen just before the request is dispatched or the request
* is cancelled.
*/
class TAO_CSD_TP_Export TP_Collocated_Synch_With_Server_Request
: public TP_Corba_Request
{
public:
/// Constructor.
TP_Collocated_Synch_With_Server_Request
(TAO_ServerRequest& server_request,
const PortableServer::ObjectId& object_id,
PortableServer::POA_ptr poa,
const char* operation,
PortableServer::Servant servant,
TP_Servant_State* servant_state);
/// Virtual Destructor.
virtual ~TP_Collocated_Synch_With_Server_Request();
/// Wait until the request has been dispatched (but not completed), or
/// until it has been cancelled. Note that this will wait until just
/// *before* the request is dispatched by a worker thread. This is
/// different than the TP_Collocated_Synch_Request which waits until
/// just *after* the request is dispatched by a worker thread.
/// Returns true if the request has been dispatched, and returns
/// false if the request has been cancelled.
bool wait(ACE_ENV_SINGLE_ARG_DECL);
protected:
/// Prepare this TP_Collocated_Synch_With_Server_Request object to be
/// placed into the request queue. This will cause the underlying
/// TAO_ServerRequest object to be cloned.
virtual void prepare_for_queue_i();
/// Dispatch the request to the servant.
virtual void dispatch_i();
/// Cancel the request.
virtual void cancel_i();
private:
/// Helper used to block and unblock the thread that invokes our
/// wait() method.
TP_Synch_Helper synch_helper_;
};
}
}
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
# include "tao/CSD_ThreadPool/CSD_TP_Collocated_Synch_With_Server_Request.inl"
#endif /* __ACE_INLINE__ */
#include /**/ "ace/post.h"
#endif /* TAO_CSD_TP_COLLOCATED_SYNCH_WITH_SERVER_REQUEST_H */
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