1 /* $Id: hookdata.cpp 191764 2010-05-17 13:55:18Z gouriano $
2 * ===========================================================================
3 *
4 * PUBLIC DOMAIN NOTICE
5 * National Center for Biotechnology Information
6 *
7 * This software/database is a "United States Government Work" under the
8 * terms of the United States Copyright Act. It was written as part of
9 * the author's official duties as a United States Government employee and
10 * thus cannot be copyrighted. This software/database is freely available
11 * to the public for use. The National Library of Medicine and the U.S.
12 * Government have not placed any restriction on its use or reproduction.
13 *
14 * Although all reasonable efforts have been taken to ensure the accuracy
15 * and reliability of the software and data, the NLM and the U.S.
16 * Government do not and cannot warrant the performance or results that
17 * may be obtained by using this software or data. The NLM and the U.S.
18 * Government disclaim all warranties, express or implied, including
19 * warranties of performance, merchantability or fitness for any particular
20 * purpose.
21 *
22 * Please cite the author in any work or product based on this material.
23 *
24 * ===========================================================================
25 *
26 * Author: Eugene Vasilchenko
27 *
28 * File Description:
29 * Class for storing local hooks information in CTypeInfo
30 */
31
32 #include <ncbi_pch.hpp>
33 #include <corelib/ncbistd.hpp>
34
35 #include <serial/impl/hookdata.hpp>
36 #include <serial/impl/objstack.hpp>
37
38 BEGIN_NCBI_SCOPE
39
40
41 /////////////////////////////////////////////////////////////////////////////
42 // CHookDataBase
43 /////////////////////////////////////////////////////////////////////////////
44
45
CHookDataBase(void)46 CHookDataBase::CHookDataBase(void)
47 {
48 }
49
50
~CHookDataBase(void)51 CHookDataBase::~CHookDataBase(void)
52 {
53 _ASSERT(m_HookCount.Get() == 0);
54 }
55
56
SetLocalHook(TLocalHooks & key,THook * hook)57 void CHookDataBase::SetLocalHook(TLocalHooks& key, THook* hook)
58 {
59 _ASSERT(hook);
60 _ASSERT(m_HookCount.Get() >= (TNCBIAtomicValue)(m_GlobalHook? 1: 0));
61 key.SetHook(this, hook);
62 m_HookCount.Add(1);
63 _ASSERT(m_HookCount.Get() > (TNCBIAtomicValue)(m_GlobalHook? 1: 0));
64 _ASSERT(!Empty());
65 }
66
67
ResetLocalHook(TLocalHooks & key)68 void CHookDataBase::ResetLocalHook(TLocalHooks& key)
69 {
70 _ASSERT(!Empty());
71 _ASSERT(m_HookCount.Get() > (TNCBIAtomicValue)(m_GlobalHook? 1: 0));
72 key.ResetHook(this);
73 m_HookCount.Add(-1);
74 _ASSERT(m_HookCount.Get() >= (TNCBIAtomicValue)(m_GlobalHook? 1: 0));
75 }
76
77
ForgetLocalHook(TLocalHooks & _DEBUG_ARG (key))78 void CHookDataBase::ForgetLocalHook(TLocalHooks& _DEBUG_ARG(key))
79 {
80 _ASSERT(!Empty());
81 _ASSERT(m_HookCount.Get() > (TNCBIAtomicValue)(m_GlobalHook? 1: 0));
82 _ASSERT(key.GetHook(this) != 0);
83 m_HookCount.Add(-1);
84 _ASSERT(m_HookCount.Get() >= (TNCBIAtomicValue)(m_GlobalHook? 1: 0));
85 }
86
87
SetGlobalHook(THook * hook)88 void CHookDataBase::SetGlobalHook(THook* hook)
89 {
90 _ASSERT(hook);
91 _ASSERT(!m_GlobalHook);
92 m_GlobalHook.Reset(hook);
93 m_HookCount.Add(1);
94 _ASSERT(m_HookCount.Get() > 0);
95 _ASSERT(!Empty());
96 }
97
98
ResetGlobalHook(void)99 void CHookDataBase::ResetGlobalHook(void)
100 {
101 _ASSERT(!Empty());
102 _ASSERT(m_GlobalHook);
103 _ASSERT(m_HookCount.Get() > 0);
104 m_GlobalHook.Reset();
105 m_HookCount.Add(-1);
106 }
107
SetPathHook(CObjectStack * stk,const string & path,THook * hook)108 void CHookDataBase::SetPathHook(CObjectStack* stk, const string& path, THook* hook)
109 {
110 if (m_PathHooks.SetHook(stk, path, hook)) {
111 m_HookCount.Add(hook ? 1 : -1);
112 }
113 }
114
ResetPathHook(CObjectStack * stk,const string & path)115 void CHookDataBase::ResetPathHook(CObjectStack* stk, const string& path)
116 {
117 if (m_PathHooks.SetHook(stk, path, 0)) {
118 m_HookCount.Add(-1);
119 }
120 }
121
122
123 END_NCBI_SCOPE
124