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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef _STORE_OBJECT_HXX_
21 : #define _STORE_OBJECT_HXX_
22 :
23 : #include "sal/types.h"
24 :
25 : #include "rtl/ref.hxx"
26 :
27 : #include "osl/interlck.h"
28 :
29 : namespace store
30 : {
31 :
32 : /*========================================================================
33 : *
34 : * IStoreHandle interface.
35 : *
36 : *======================================================================*/
37 950970 : class IStoreHandle : public rtl::IReference
38 : {
39 : public:
40 : /** Replaces dynamic_cast type checking.
41 : */
42 : virtual sal_Bool SAL_CALL isKindOf (sal_uInt32 nTypeId) = 0;
43 :
44 : protected:
45 950181 : ~IStoreHandle() {}
46 : };
47 :
48 :
49 : /** Template helper function as dynamic_cast replacement.
50 : */
51 : template<class store_handle_type>
52 : store_handle_type * SAL_CALL query (
53 : IStoreHandle * pHandle, store_handle_type *);
54 :
55 : /*========================================================================
56 : *
57 : * OStoreObject interface.
58 : *
59 : *======================================================================*/
60 : class OStoreObject : public store::IStoreHandle
61 : {
62 : /** Template function specialization as dynamic_cast replacement.
63 : */
64 : friend OStoreObject*
65 : SAL_CALL query<> (IStoreHandle *pHandle, OStoreObject*);
66 :
67 : public:
68 : /** Construction.
69 : */
70 : OStoreObject (void);
71 :
72 : /** Allocation.
73 : */
74 : static void* operator new (size_t n);
75 : static void operator delete (void *p);
76 :
77 : /** IStoreHandle.
78 : */
79 : virtual sal_Bool SAL_CALL isKindOf (sal_uInt32 nTypeId);
80 :
81 : /** IReference.
82 : */
83 : virtual oslInterlockedCount SAL_CALL acquire (void);
84 : virtual oslInterlockedCount SAL_CALL release (void);
85 :
86 : protected:
87 : /** Destruction.
88 : */
89 : virtual ~OStoreObject (void);
90 :
91 : private:
92 : /** The IStoreHandle TypeId.
93 : */
94 : static const sal_uInt32 m_nTypeId;
95 :
96 : /** Representation.
97 : */
98 : oslInterlockedCount m_nRefCount;
99 :
100 : /** Not implemented.
101 : */
102 : OStoreObject (const OStoreObject&);
103 : OStoreObject& operator= (const OStoreObject&);
104 : };
105 :
106 : /** Template function specialization as dynamic_cast replacement.
107 : */
108 : template<> inline OStoreObject*
109 : SAL_CALL query (IStoreHandle *pHandle, OStoreObject*)
110 : {
111 : if (pHandle && pHandle->isKindOf (OStoreObject::m_nTypeId))
112 : {
113 : // Handle is kind of OStoreObject.
114 : return static_cast<OStoreObject*>(pHandle);
115 : }
116 : return 0;
117 : }
118 :
119 : /*========================================================================
120 : *
121 : * The End.
122 : *
123 : *======================================================================*/
124 :
125 : } // namespace store
126 :
127 : #endif /* !_STORE_OBJECT_HXX_ */
128 :
129 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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