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//$Id$
/*
* @file Distributor_exec.h
*
* @author Ming Xiong <mxiong@dre.vanderbilt.edu>
*/
#ifndef CIAO_DISTRIBUTOR_EXEC_H
#define CIAO_DISTRIBUTOR_EXEC_H
#include /**/ "ace/pre.h"
#include "ace/Thread_Manager.h"
#include "ace/Task.h"
#include "Distributor_svnt.h"
#include "DistributorEC.h"
#include "Distributor_exec_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/LocalObject.h"
namespace CIDL_StockDistributor_Impl
{
class StockDistributor_exec_i;
/**
* @class StockQuoter_exec_i
*
* @brief Executor implementation
*
* This class implements Stock::StockQuoter interface. We use this interface
* to acquire the information of the stock
*/
class DISTRIBUTOR_EXEC_Export StockQuoter_exec_i
: public virtual ::Stock::CCM_StockQuoter,
public virtual TAO_Local_RefCounted_Object
{
public:
StockQuoter_exec_i (StockDistributor_exec_i &distributor)
:distributor_ (distributor)
{
}
// Operations from ::Stock::StockQuoter
virtual ::Stock::StockInfo *
get_stock_info (
const char * stock_name
ACE_ENV_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Stock::Invalid_Stock));
/// User defined
private:
/// Maintains a handle to the distributor so that the quoter can refer to it for latest quote
StockDistributor_exec_i &distributor_;
};
class StockDistributor_exec_i;
/**
* @class pulse generator
*
* @brief an active object used by StockDistributor to perform periodical pulse generation
*
*/
class pulse_Generator : public ACE_Task_Base
{
public:
pulse_Generator (StockDistributor_exec_i *callback);
~pulse_Generator ();
/// Hook method that performs application-defined initialization activities
int open_h (void);
/// Hook method that performs application-defined destruction activites
int close_h (void);
/// appliation-defined method for starting the pulse-generation service
int start (CORBA::Long hertz);
/// application-defined method for stopping the pulse-generation service
int stop (void);
/// Indicate whether the current object is active
int active (void);
/// Handle the timeout.
virtual int handle_timeout (const ACE_Time_Value &tv,
const void *arg);
/// Called when timer handler is removed.
virtual int handle_close (ACE_HANDLE handle,
ACE_Reactor_Mask close_mask);
/// Hook methods implemnting the task's service processing,
/// invoked by all threads activated by activate () method
virtual int svc (void);
private:
/// Tracking whether we are actively generating pulse or not.
int active_;
/// Maintains a handle that actually process the event
StockDistributor_exec_i *pulse_callback_;
};
/**
* @class StockDistributor_exec_i
*
* @brief Executor implementation
*
* This class implements Stock::StockDistributor component
*/
class DISTRIBUTOR_EXEC_Export StockDistributor_exec_i
: public virtual StockDistributor_Exec,
public virtual TAO_Local_RefCounted_Object
{
public:
StockDistributor_exec_i (void);
virtual ~StockDistributor_exec_i (void);
// Supported or inherited operations.
virtual void
start (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException));
virtual void
stop (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException));
// Attribute operations.
virtual ::CORBA::Long
rate (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException));
virtual void
rate (
::CORBA::Long
ACE_ENV_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException));
// Port operations.
virtual ::Stock::CCM_StockQuoter_ptr
get_push_quoter (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((CORBA::SystemException));
// Operations from Components::SessionComponent
virtual void
set_session_context (
::Components::SessionContext_ptr ctx
ACE_ENV_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Components::CCMException));
virtual void
ciao_preactivate (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Components::CCMException));
virtual void
ciao_postactivate (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Components::CCMException));
virtual void
ccm_activate (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Components::CCMException));
virtual void
ccm_passivate (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Components::CCMException));
virtual void
ccm_remove (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Components::CCMException));
protected:
StockDistributor_Context *context_;
/// User defined members
public:
/// push event to all subscribers
void push_notify_out ()
ACE_THROW_SPEC ((
::CORBA::SystemException
));
private:
/// pulse generation rate
CORBA::Long rate_;
/// pulser object
pulse_Generator pulser_;
/// "real-time" stock value
static CORBA::Long msft_;
/// "real-tiime" stock value
static CORBA::Long ibm_;
friend class StockQuoter_exec_i;
};
/**
* @class StockDistributorHome_exec_i
*
* @brief Executor implementation
*
* This class implements Stock::StockDistributorHome
*/
class DISTRIBUTOR_EXEC_Export StockDistributorHome_exec_i
: public virtual StockDistributorHome_Exec,
public virtual TAO_Local_RefCounted_Object
{
public:
StockDistributorHome_exec_i (void);
virtual ~StockDistributorHome_exec_i (void);
virtual ::Components::EnterpriseComponent_ptr
create (
ACE_ENV_SINGLE_ARG_DECL_WITH_DEFAULTS)
ACE_THROW_SPEC ((
::CORBA::SystemException,
::Components::CCMException));
};
extern "C" DISTRIBUTOR_EXEC_Export ::Components::HomeExecutorBase_ptr
createStockDistributorHome_Impl (void);
}
#include /**/ "ace/post.h"
#endif /* CIAO_DISTRIBUTOR_EXEC_H */
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