ucb/workben/cachemap/cachemapobject1.hxx

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  30
  31 #ifndef INCLUDED_UCB_CACHEMAPOBJECT1_HXX
  32 #define INCLUDED_UCB_CACHEMAPOBJECT1_HXX
  33
  34 #include "osl/interlck.h"
  35 #include "osl/mutex.hxx"
  36 #include "rtl/ref.hxx"
  37 #include "sal/types.h"
  38 #include "salhelper/simplereferenceobject.hxx"
  39
  40 #ifndef INCLUDED_MAP
  41 #include <map>
  42 #define INCLUDED_MAP
  43 #endif
  44 #ifndef INCLUDED_MEMORY
  45 #include <memory>
  46 #define INCLUDED_MEMORY
  47 #endif
  48
  49 namespace rtl { class OUString; }
  50 namespace ucb { namespace cachemap { class Object1; } }
  51
  52 namespace ucb { namespace cachemap {
  53
  54 class ObjectContainer1: public salhelper::SimpleReferenceObject
  55 {
  56 public:
  57     ObjectContainer1();
  58
  59     virtual ~ObjectContainer1() SAL_THROW(());
  60
  61     rtl::Reference< Object1 > get(rtl::OUString const & rKey);
  62
  63 private:
  64     typedef std::map< rtl::OUString, Object1 * > Map;
  65
  66     Map m_aMap;
  67     osl::Mutex m_aMutex;
  68
  69     void releaseElement(Object1 * pElement) SAL_THROW(());
  70
  71     friend class Object1; // to access Map, releaseElement()
  72 };
  73
  74 class Object1
  75 {
  76 public:
  77     inline void acquire() SAL_THROW(())
  78     { osl_incrementInterlockedCount(&m_nRefCount); }
  79
  80     inline void release() SAL_THROW(())
  81     { m_xContainer->releaseElement(this); }
  82
  83 private:
  84     rtl::Reference< ObjectContainer1 > m_xContainer;
  85     ObjectContainer1::Map::iterator m_aContainerIt;
  86     oslInterlockedCount m_nRefCount;
  87
  88     inline Object1(rtl::Reference< ObjectContainer1 > const & rContainer);
  89
  90     inline ~Object1() SAL_THROW(());
  91
  92     Object1(Object1 &); // not implemented
  93     void operator =(Object1); // not implemented
  94
  95     friend class ObjectContainer1;
  96         // to access m_aContainerIt, m_nRefCount, Object1(), ~Object1()
  97 #if defined WNT
  98     friend struct std::auto_ptr< Object1 >; // to access ~Object1()
  99         // work around compiler bug...
 100 #else // WNT
 101     friend class std::auto_ptr< Object1 >; // to access ~Object1()
 102 #endif // WNT
 103 };
 104
 105 } }
 106
 107 #endif // INCLUDED_UCB_CACHEMAPOBJECT1_HXX