1/****************************************************************************
2**
3** Copyright (C) 2015 The Qt Company Ltd and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the QtSystems module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL21$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see http://www.qt.io/terms-conditions. For further
15** information use the contact form at http://www.qt.io/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 or version 3 as published by the Free
20** Software Foundation and appearing in the file LICENSE.LGPLv21 and
21** LICENSE.LGPLv3 included in the packaging of this file. Please review the
22** following information to ensure the GNU Lesser General Public License
23** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
24** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
25**
26** As a special exception, The Qt Company gives you certain additional
27** rights. These rights are described in The Qt Company LGPL Exception
28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
29**
30** $QT_END_LICENSE$
31**
32****************************************************************************/
33
34#ifndef QSERVICE_INSTANCE_MANAGER_P_H
35#define QSERVICE_INSTANCE_MANAGER_P_H
36
37//
38// W A R N I N G
39// -------------
40//
41// This file is not part of the Qt API. It exists purely as an
42// implementation detail. This header file may change from version to
43// version without notice, or even be removed.
44//
45// We mean it.
46//
47
48#include <qserviceframeworkglobal.h>
49#include "qremoteserviceregister.h"
50#include "qremoteserviceregisterentry_p.h"
51#include <private/qserviceclientcredentials_p.h>
52#include <QHash>
53#include <QMutexLocker>
54#include <QMetaObject>
55#include <QMetaClassInfo>
56#include <QUuid>
57#include <QDebug>
58
59QT_BEGIN_NAMESPACE
60
61struct ServiceIdentDescriptor
62{
63 ServiceIdentDescriptor() : globalInstance(0), globalRefCount(0)
64 {
65 }
66
67 QExplicitlySharedDataPointer<QRemoteServiceRegisterEntryPrivate> entryData;
68
69 QHash<QUuid, QObject*> individualInstances;
70 QObject* globalInstance;
71 QUuid globalId;
72 int globalRefCount;
73};
74
75class Q_AUTOTEST_EXPORT InstanceManager : public QObject
76{
77 Q_OBJECT
78public:
79 InstanceManager(QObject *parent = 0);
80 ~InstanceManager();
81
82 bool addType(const QRemoteServiceRegister::Entry& entry);
83
84 const QMetaObject* metaObject(const QRemoteServiceRegister::Entry& ident) const;
85 QList<QRemoteServiceRegister::Entry> allEntries() const;
86
87 int totalInstances() const;
88
89 QObject* createObjectInstance(const QRemoteServiceRegister::Entry& entry, QUuid& instanceId, QServiceClientCredentials& creds);
90 void removeObjectInstance(const QRemoteServiceRegister::Entry& entry, const QUuid& instanceId);
91
92 static InstanceManager* instance();
93
94Q_SIGNALS:
95 void allInstancesClosed();
96 void instanceClosed(const QRemoteServiceRegister::Entry&);
97 void instanceClosed(const QRemoteServiceRegister::Entry&, const QUuid&);
98
99private:
100 mutable QMutex lock;
101 QHash<QRemoteServiceRegister::Entry, ServiceIdentDescriptor> metaMap;
102};
103
104
105
106QT_END_NAMESPACE
107
108
109#endif //QSERVICE_INSTANCE_MANAGER_P_H
110

source code of qtsystems/src/serviceframework/ipc/instancemanager_p.h