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
|
/*
* Copyright (C) 2016 Christian Mollekopf <mollekopf@kolabsys.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "sink_export.h"
#include <domainadaptor.h>
#include "storage.h"
#include "adaptorfactoryregistry.h"
namespace Sink {
class SINK_EXPORT EntityStore
{
public:
EntityStore(const QByteArray &resourceType, const QByteArray &mResourceInstanceIdentifier, Sink::Storage::Transaction &transaction);
template<typename T>
T read(const QByteArray &identifier) const
{
auto typeName = ApplicationDomain::getTypeName<T>();
auto mainDatabase = Storage::mainDatabase(mTransaction, typeName);
qint64 retrievedRevision = 0;
auto bufferAdaptor = getLatest(mainDatabase, identifier, *Sink::AdaptorFactoryRegistry::instance().getFactory<T>(mResourceType), retrievedRevision);
if (!bufferAdaptor) {
return T();
}
return T(mResourceInstanceIdentifier, identifier, retrievedRevision, bufferAdaptor);
}
template<typename T>
T readFromKey(const QByteArray &key) const
{
auto typeName = ApplicationDomain::getTypeName<T>();
auto mainDatabase = Storage::mainDatabase(mTransaction, typeName);
qint64 retrievedRevision = 0;
auto bufferAdaptor = get(mainDatabase, key, *Sink::AdaptorFactoryRegistry::instance().getFactory<T>(mResourceType), retrievedRevision);
const auto identifier = Storage::uidFromKey(key);
if (!bufferAdaptor) {
return T();
}
return T(mResourceInstanceIdentifier, identifier, retrievedRevision, bufferAdaptor);
}
template<typename T>
T readPrevious(const QByteArray &uid, qint64 revision) const
{
auto typeName = ApplicationDomain::getTypeName<T>();
auto mainDatabase = Storage::mainDatabase(mTransaction, typeName);
qint64 retrievedRevision = 0;
auto bufferAdaptor = getPrevious(mainDatabase, uid, revision, *Sink::AdaptorFactoryRegistry::instance().getFactory<T>(mResourceType), retrievedRevision);
if (!bufferAdaptor) {
return T();
}
return T(mResourceInstanceIdentifier, uid, retrievedRevision, bufferAdaptor);
}
static QSharedPointer<Sink::ApplicationDomain::BufferAdaptor> getLatest(const Sink::Storage::NamedDatabase &db, const QByteArray &uid, DomainTypeAdaptorFactoryInterface &adaptorFactory, qint64 &retrievedRevision);
static QSharedPointer<Sink::ApplicationDomain::BufferAdaptor> get(const Sink::Storage::NamedDatabase &db, const QByteArray &key, DomainTypeAdaptorFactoryInterface &adaptorFactory, qint64 &retrievedRevision);
static QSharedPointer<Sink::ApplicationDomain::BufferAdaptor> getPrevious(const Sink::Storage::NamedDatabase &db, const QByteArray &uid, qint64 revision, DomainTypeAdaptorFactoryInterface &adaptorFactory, qint64 &retrievedRevision);
private:
QByteArray mResourceType;
QByteArray mResourceInstanceIdentifier;
Sink::Storage::Transaction &mTransaction;
};
}
|
