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
|
/* -*- c++ -*- */
// $Id$
// @@ James, please add a standard "header" here like you see in all
// the other ACE headerfiles.
#ifndef ACE_CACHE_HASH_T_H
#define ACE_CACHE_HASH_T_H
#include "ace/OS.h"
// @@ James, I think that this #include is wrong...
#include "ace_Cache_Object.h"
// Forward declaration
template <class EXT_ID, class INT_ID, class EQ_FUNC>
class ACE_Hash_Bucket_Manager;
// @@ James, can you please update ALL of these classes and methods to
// use the standard ACE commenting style, i.e., add = TITLE and =
// DESCRIPTION headers and comments for each method.
template <class EXT_ID, class HASH_FUNC, class EQ_FUNC>
class ACE_Cache_Hash
{
public:
typedef ACE_Hash_Bucket_Manager<EXT_ID, ACE_Cache_Object *, EQ_FUNC>
CACHE_BUCKET_MANAGER;
ACE_Cache_Hash (ACE_Allocator *alloc = 0, size_t size = 521);
// 521 == smallest number > 512 that is prime. Why is a prime
// number important? I am trying to maximize scattering when using
// mod on the hashed value. This might be bogus though.
virtual ~ACE_Cache_Hash (void);
int find (const EXT_ID &ext_id) const;
int find (const EXT_ID &ext_id, ACE_Cache_Object *&int_id) const;
int bind (const EXT_ID &ext_id, ACE_Cache_Object *const &int_id);
int trybind (const EXT_ID &ext_id, ACE_Cache_Object *&int_id);
int rebind (const EXT_ID &ext_id, ACE_Cache_Object *const &int_id,
EXT_ID &old_ext_id, ACE_Cache_Object *&old_int_id);
int unbind (const EXT_ID &ext_id);
int unbind (const EXT_ID &ext_id, ACE_Cache_Object *&int_id);
size_t size (void) const;
protected:
virtual u_long hash (const EXT_ID &ext_id) const;
int isprime (u_long number) const;
int new_cachebucket (size_t idx);
private:
ACE_Allocator *allocator_;
size_t size_;
ACE_SYNCH_MUTEX lock_;
CACHE_BUCKET_MANAGER **hashtable_;
};
// @@ James, please also make sure that you add the
// #if defined (ACE_TEMPLATES_REQUIRE_PRAGMA)
// stuff as well... (see other template files to see how this works).
#if defined (ACE_TEMPLATES_REQUIRE_SOURCE)
#include "ace_Cache_Hash_T.cpp"
#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */
#endif /* ACE_CACHE_HASH_T_H */
|
