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/* -*- C++ -*- */
//=============================================================================
/**
* @file Notifier_i.h
*
* Defines the implementation header for the Supplier interface.
*
* @author Kirthika Parameswaran <kirthika@cs.wustl.edu>
*/
//=============================================================================
#ifndef NOTIFIER_I_H
#define NOTIFIER_I_H
#include "NotifierS.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ConsumerC.h"
#include "ace/Hash_Map_Manager.h"
#include "ace/Containers.h"
#include "ace/SString.h"
#include "ace/Null_Mutex.h"
/**
* @class Notifier_i
*
* @brief Notifier servant class.
*
* The implementation of the Notifier class, which is the servant
* object for the callback quoter server.
*/
class Notifier_i : public POA_Notifier
{
public:
// = Initialization and termination methods.
/// Constructor.
Notifier_i (void);
/// Destructor.
~Notifier_i (void);
/// Register a distributed callback handler that is invoked when the
/// given stock reaches the desired threshold value.
virtual void register_callback (const char *stock_name,
CORBA::Long threshold_value,
Callback_Quoter::Consumer_ptr consumer_handler);
/// Remove the consumer object.
virtual void unregister_callback (Callback_Quoter::Consumer_ptr consumer_handler);
/// Get the market status.
virtual void market_status (const char *stock_name,
CORBA::Long stock_value);
/// Get the orb pointer.
void orb (CORBA::ORB_ptr orb);
/// Shutdown the Notifier.
virtual void shutdown (void);
// CONSUMER_MAP* get_consumer_map_ptr ();
// Returns the consumer map ptr.
//private:
public:
/// The ORB manager.
CORBA::ORB_var orb_;
/**
* @class Consumer_Data
*
* @brief Saves the Consumer_var and the threshold stock value.
*/
class Consumer_Data
{
public:
/// Comparison operator.
bool operator== (const Consumer_Data &rhs) const;
/// Stores the consumer object reference.
Callback_Quoter::Consumer_var consumer_;
/// Stores the stock threshold value.
CORBA::Long desired_value_;
};
typedef ACE_Unbounded_Set<Consumer_Data>
CONSUMERS;
typedef ACE_Hash_Map_Manager<ACE_CString, CONSUMERS *, ACE_Null_Mutex>
CONSUMER_MAP;
/// This is the hash map with each hash_entry consisting of the stockname
/// and an unbounded set of consumer object pointer and the desired stockvalue.
CONSUMER_MAP consumer_map_;
///This marks the exit of the notifier. This should be taken care of
/// before the consumer tries to unregister after the notifier quits.
int notifier_exited_;
};
#endif /* NOTIFIER_I_H */
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