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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/* -*- C++ -*- */
// $Id$
// ============================================================================
//
// = LIBRARY
// ace
//
// = FILENAME
// Active_Map_Manager_T.h
//
// = AUTHOR
// Irfan Pyarali
//
// ============================================================================
#ifndef ACE_ACTIVE_MAP_MANAGER_T_H
#define ACE_ACTIVE_MAP_MANAGER_T_H
#include "ace/Map_Manager.h"
#include "ace/Active_Map_Manager.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
template <class T>
class ACE_Active_Map_Manager : public ACE_Map_Manager<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex>
{
// = TITLE
// Define a map abstraction that associates system generated
// keys with user specified values.
//
// = DESCRIPTION
// Since the key is system generated, searches are very fast and
// take a constant amount of time.
public:
// = Traits.
typedef ACE_Active_Map_Manager_Key key_type;
typedef T mapped_type;
typedef ACE_Map_Entry<ACE_Active_Map_Manager_Key, T> ENTRY;
typedef ACE_Map_Iterator<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex> ITERATOR;
typedef ACE_Map_Reverse_Iterator<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex> REVERSE_ITERATOR;
typedef ENTRY entry;
typedef ITERATOR iterator;
typedef REVERSE_ITERATOR reverse_iterator;
// = Initialization and termination methods.
ACE_Active_Map_Manager (ACE_Allocator *alloc = 0);
// Initialize a <Active_Map_Manager> with the <ACE_DEFAULT_MAP_SIZE>.
ACE_Active_Map_Manager (size_t size,
ACE_Allocator *alloc = 0);
// Initialize a <Active_Map_Manager> with <size> entries.
~ACE_Active_Map_Manager (void);
// Close down a <Active_Map_Manager> and release dynamically
// allocated resources.
int open (size_t length = ACE_DEFAULT_MAP_SIZE,
ACE_Allocator *alloc = 0);
// Initialize a <Active_Map_Manager> with size <length>.
int close (void);
// Close down a <Active_Map_Manager> and release dynamically
// allocated resources.
int bind (const T &value,
ACE_Active_Map_Manager_Key &key);
// Add <value> to the map, and the corresponding key produced by the
// Active_Map_Manager is returned through <key>.
int bind (const T &value);
// Add <value> to the map. The user does not care about the
// corresponding key produced by the Active_Map_Manager.
int bind (ACE_Active_Map_Manager_Key &key,
T *&internal_value);
// Reserves a slot in the internal structure and returns the key and
// a pointer to the value. User should place their <value> into
// <*internal_value>. This method is useful in reducing the number
// of copies required in some cases. Note that <internal_value> is
// only a temporary pointer and will change when the map resizes.
// Therefore, the user should use the pointer immediately and not
// hold on to it.
int rebind (const ACE_Active_Map_Manager_Key &key,
const T &value);
// Reassociate <key> with <value>. The function fails if <key> is
// not in the map.
int rebind (const ACE_Active_Map_Manager_Key &key,
const T &value,
T &old_value);
// Reassociate <key> with <value>, storing the old value into the
// "out" parameter <old_value>. The function fails if <key> is not
// in the map.
int rebind (const ACE_Active_Map_Manager_Key &key,
const T &value,
ACE_Active_Map_Manager_Key &old_key,
T &old_value);
// Reassociate <key> with <value>, storing the old key and value
// into the "out" parameter <old_key> and <old_value>. The function
// fails if <key> is not in the map.
int find (const ACE_Active_Map_Manager_Key &key,
T &value);
// Locate <value> associated with <key>.
int find (const ACE_Active_Map_Manager_Key &key);
// Is <key> in the map?
int find (const ACE_Active_Map_Manager_Key &key,
T *&internal_value);
// Locate <value> associated with <key>. The value is returned via
// <internal_value> and hence a copy is saved. Note that
// <internal_value> is only a temporary pointer and will change when
// the map resizes. Therefore, the user should use the pointer
// immediately and not hold on to it.
// Creates a key. User should place their <value> into
// <*internal_value>. This method is useful in reducing the number
// of copies required in some cases.
int unbind (const ACE_Active_Map_Manager_Key &key);
// Remove <key> from the map.
int unbind (const ACE_Active_Map_Manager_Key &key,
T &value);
// Remove <key> from the map, and return the <value> associated with
// <key>.
int unbind (const ACE_Active_Map_Manager_Key &key,
T *&internal_value);
// Locate <value> associated with <key>. The value is returned via
// <internal_value> and hence a copy is saved. Note that
// <internal_value> is only a temporary pointer and will change when
// the map resizes or when this slot is reused. Therefore, the user
// should use the pointer immediately and not hold on to it.
size_t current_size (void) const;
// Return the current size of the map.
size_t total_size (void) const;
// Return the total size of the map.
static const ACE_Active_Map_Manager_Key npos (void);
// Returns a key that cannot be found in the map.
void dump (void) const;
// Dump the state of an object.
// = STL styled iterator factory functions.
ACE_Map_Iterator<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex> begin (void);
ACE_Map_Iterator<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex> end (void);
// Return forward iterator.
ACE_Map_Reverse_Iterator<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex> rbegin (void);
ACE_Map_Reverse_Iterator<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex> rend (void);
// Return reverse iterator.
ACE_ALLOC_HOOK_DECLARE;
// Declare the dynamic allocation hooks.
protected:
typedef ACE_Map_Manager<ACE_Active_Map_Manager_Key, T, ACE_Null_Mutex> ACE_AMM_BASE;
// Private base class
private:
// = Disallow these operations.
ACE_UNIMPLEMENTED_FUNC (void operator= (const ACE_Active_Map_Manager<T> &))
ACE_UNIMPLEMENTED_FUNC (ACE_Active_Map_Manager (const ACE_Active_Map_Manager<T> &))
};
#if defined (__ACE_INLINE__)
#include "ace/Active_Map_Manager_T.i"
#endif /* __ACE_INLINE__ */
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "ace/Active_Map_Manager_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
#pragma implementation ("Active_Map_Manager_T.cpp")
#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */
#endif /* ACE_ACTIVE_MAP_MANAGER_T_H */
|
