1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 #ifndef INCLUDED_UCB_CACHEMAPOBJECT1_HXX
29 #define INCLUDED_UCB_CACHEMAPOBJECT1_HXX
30 
31 #include "osl/interlck.h"
32 #include "osl/mutex.hxx"
33 #include "rtl/ref.hxx"
34 #include "sal/types.h"
35 #include "salhelper/simplereferenceobject.hxx"
36 
37 #ifndef INCLUDED_MAP
38 #include <map>
39 #define INCLUDED_MAP
40 #endif
41 #ifndef INCLUDED_MEMORY
42 #include <memory>
43 #define INCLUDED_MEMORY
44 #endif
45 
46 namespace rtl { class OUString; }
47 namespace ucb { namespace cachemap { class Object1; } }
48 
49 namespace ucb { namespace cachemap {
50 
51 class ObjectContainer1: public salhelper::SimpleReferenceObject
52 {
53 public:
54     ObjectContainer1();
55 
56     virtual ~ObjectContainer1() SAL_THROW(());
57 
58     rtl::Reference< Object1 > get(rtl::OUString const & rKey);
59 
60 private:
61     typedef std::map< rtl::OUString, Object1 * > Map;
62 
63     Map m_aMap;
64     osl::Mutex m_aMutex;
65 
66     void releaseElement(Object1 * pElement) SAL_THROW(());
67 
68     friend class Object1; // to access Map, releaseElement()
69 };
70 
71 class Object1
72 {
73 public:
74     inline void acquire() SAL_THROW(())
75     { osl_incrementInterlockedCount(&m_nRefCount); }
76 
77     inline void release() SAL_THROW(())
78     { m_xContainer->releaseElement(this); }
79 
80 private:
81     rtl::Reference< ObjectContainer1 > m_xContainer;
82     ObjectContainer1::Map::iterator m_aContainerIt;
83     oslInterlockedCount m_nRefCount;
84 
85     inline Object1(rtl::Reference< ObjectContainer1 > const & rContainer);
86 
87     inline ~Object1() SAL_THROW(());
88 
89     Object1(Object1 &); // not implemented
90     void operator =(Object1); // not implemented
91 
92     friend class ObjectContainer1;
93         // to access m_aContainerIt, m_nRefCount, Object1(), ~Object1()
94 #if defined WNT
95     friend struct std::auto_ptr< Object1 >; // to access ~Object1()
96         // work around compiler bug...
97 #else // WNT
98     friend class std::auto_ptr< Object1 >; // to access ~Object1()
99 #endif // WNT
100 };
101 
102 } }
103 
104 #endif // INCLUDED_UCB_CACHEMAPOBJECT1_HXX
105