blob: 70f84dc9d21afaebafc6f81e1172439818849574 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
/* -*- C++ -*- */
// $Id$
// ===========================================================
//
// = LIBRARY
// TAO/examples/Callback_Quoter
//
// = FILENAME
// Notifier.h
//
// = DESCRIPTION
// 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"
#include "ConsumerC.h"
#include "tao/TAO.h"
#include "ace/Containers.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/SString.h"
class Notifier_i : public POA_Notifier
{
// = TITLE
// Notifier servant class.
//
// = DESCRIPTION
// The implementation of the Notifier class, which is the servant
// object for the callback quoter server.
//
public:
// = Initialization and termination methods.
Notifier_i (void);
// Constructor.
~Notifier_i (void);
// Destructor.
virtual void register_callback (const char *stock_name,
CORBA::Long threshold_value,
Callback_Quoter::Consumer_ptr consumer_handler,
CORBA::Environment &TAO_TRY_ENV);
// Register a distributed callback handler that is invoked when the
// given stock reaches the desired threshold value.
virtual void unregister_callback (Callback_Quoter::Consumer_ptr consumer_handler,
CORBA::Environment &TAO_TRY_ENV);
// Remove the consumer object.
virtual void market_status (const char *stock_name,
CORBA::Long stock_value,
CORBA::Environment &TAO_TRY_ENV);
// Get the market status.
void orb (CORBA::ORB_ptr orb);
// Get the orb pointer.
virtual void shutdown (CORBA::Environment &env);
// Shutdown the Notifier.
// CONSUMER_MAP* get_consumer_map_ptr ();
// Returns the consumer map ptr.
//private:
public:
CORBA::ORB_ptr orb_;
// The ORB manager.
class Consumer_Data
{
// = TITLE
// Saves the Consumer_var and the threshold stock value.
public:
int operator== (const Consumer_Data &rhs);
// Comparison operator.
Callback_Quoter::Consumer_var consumer_;
// Stores the consumer object reference.
CORBA::Long desired_value_;
// Stores the stock threshold value.
};
typedef ACE_Unbounded_Set<Consumer_Data>
CONSUMERS;
typedef ACE_Hash_Map_Manager<ACE_CString, CONSUMERS *, ACE_Null_Mutex>
CONSUMER_MAP;
CONSUMER_MAP 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.
int notifier_exited_;
//This marks the exit of the notifier. This should be taken care of
// before the consumer tries to unregister after the notifier quits.
};
#endif /* NOTIFIER_I_H */
|
