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
|
/*
* Copyright (C) 2013, 2014, 2015 by the Konclude Developer Team.
*
* This file is part of the reasoning system Konclude.
* For details and support, see <http://konclude.com/>.
*
* Konclude is free software: you can redistribute it and/or modify it under
* the terms of version 2.1 of the GNU Lesser General Public License (LGPL2.1)
* as published by the Free Software Foundation.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Konclude. If not, see <http://www.gnu.org/licenses/>.
*
* Konclude is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For more
* details, see GNU Lesser General Public License.
*
*/
#include "CSignatureSatisfiableExpanderCacheReader.h"
namespace Konclude {
namespace Reasoner {
namespace Kernel {
namespace Cache {
CSignatureSatisfiableExpanderCacheReader::CSignatureSatisfiableExpanderCacheReader() : CLinkerBase<CSignatureSatisfiableExpanderCacheReader*,CSignatureSatisfiableExpanderCacheReader>(this) {
mCurrentSlot = nullptr;
}
CSignatureSatisfiableExpanderCacheReader* CSignatureSatisfiableExpanderCacheReader::updateSlot(CSignatureSatisfiableExpanderCacheSlotItem* updatedSlot) {
CSignatureSatisfiableExpanderCacheSlotItem* prevSlot = mUpdatedSlot.fetchAndStoreOrdered(updatedSlot);
if (prevSlot != nullptr) {
prevSlot->decReader();
}
return this;
}
bool CSignatureSatisfiableExpanderCacheReader::hasUpdatedSlotItem() {
return mUpdatedSlot.fetchAndAddRelaxed(0) != nullptr;
}
bool CSignatureSatisfiableExpanderCacheReader::switchToUpdatedSlotItem() {
CSignatureSatisfiableExpanderCacheSlotItem* updatedSlot = mUpdatedSlot.fetchAndStoreOrdered(nullptr);
if (updatedSlot) {
CSignatureSatisfiableExpanderCacheSlotItem* prevSlot = mCurrentSlot;
mCurrentSlot = updatedSlot;
if (prevSlot != nullptr) {
prevSlot->decReader();
}
return true;
}
return false;
}
bool CSignatureSatisfiableExpanderCacheReader::hasCacheEntry(cint64 signature) {
if (hasUpdatedSlotItem()) {
switchToUpdatedSlotItem();
}
if (mCurrentSlot) {
CCACHINGHASH<cint64,CSignatureSatisfiableExpanderCacheRedirectionItem*>* sigItemHash = mCurrentSlot->getSignatureItemHash();
if (sigItemHash) {
return sigItemHash->contains(signature);
}
}
return false;
}
CSignatureSatisfiableExpanderCacheEntry* CSignatureSatisfiableExpanderCacheReader::getCacheEntry(cint64 signature) {
CSignatureSatisfiableExpanderCacheEntry* entry = nullptr;
if (hasUpdatedSlotItem()) {
switchToUpdatedSlotItem();
}
if (mCurrentSlot) {
CCACHINGHASH<cint64,CSignatureSatisfiableExpanderCacheRedirectionItem*>* sigItemHash = mCurrentSlot->getSignatureItemHash();
if (sigItemHash) {
CSignatureSatisfiableExpanderCacheRedirectionItem* item = sigItemHash->value(signature,nullptr);
if (item) {
entry = item->getCacheEntry();
}
}
}
return entry;
}
CSignatureSatisfiableExpanderCacheEntry* CSignatureSatisfiableExpanderCacheReader::getCacheEntry(CCACHINGSET<CCacheValue>* cacheValueSet) {
CSignatureSatisfiableExpanderCacheEntry* entry = nullptr;
if (hasUpdatedSlotItem()) {
switchToUpdatedSlotItem();
}
if (mCurrentSlot) {
CCACHINGHASH<CSignatureSatisfiableExpanderCacheHasher,CSignatureSatisfiableExpanderCacheRedirectionItem*>* hasherItemHash = mCurrentSlot->getHasherItemHash();
if (hasherItemHash) {
CSignatureSatisfiableExpanderCacheHasher hashValue(cacheValueSet);
CSignatureSatisfiableExpanderCacheRedirectionItem* item = hasherItemHash->value(hashValue,nullptr);
if (item) {
entry = item->getCacheEntry();
}
}
}
return entry;
}
}; // end namespace Cache
}; // end namespace Kernel
}; // end namespace Reasoner
}; // end namespace Konclude
|
