ucb/workben/cachemap/cachemapobject1.cxx

   1 /*************************************************************************
   2  *
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * Copyright 2008 by Sun Microsystems, Inc.
   6  *
   7  * OpenOffice.org - a multi-platform office productivity suite
   8  *
   9  * $RCSfile: cachemapobject1.cxx,v $
  10  * $Revision: 1.4 $
  11  *
  12  * This file is part of OpenOffice.org.
  13  *
  14  * OpenOffice.org is free software: you can redistribute it and/or modify
  15  * it under the terms of the GNU Lesser General Public License version 3
  16  * only, as published by the Free Software Foundation.
  17  *
  18  * OpenOffice.org is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU Lesser General Public License version 3 for more details
  22  * (a copy is included in the LICENSE file that accompanied this code).
  23  *
  24  * You should have received a copy of the GNU Lesser General Public License
  25  * version 3 along with OpenOffice.org.  If not, see
  26  * <http://www.openoffice.org/license.html>
  27  * for a copy of the LGPLv3 License.
  28  *
  29  ************************************************************************/
  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_ucb.hxx"
  33 #include "cachemapobject1.hxx"
  34 #include "osl/diagnose.h"
  35 #include "osl/interlck.h"
  36 #include "osl/mutex.hxx"
  37 #include "rtl/ref.hxx"
  38 #include "rtl/ustring.hxx"
  39
  40 #ifndef INCLUDED_MEMORY
  41 #include <memory>
  42 #define INCLUDED_MEMORY
  43 #endif
  44
  45 using ucb::cachemap::Object1;
  46 using ucb::cachemap::ObjectContainer1;
  47
  48 inline
  49 Object1::Object1(rtl::Reference< ObjectContainer1 > const & rContainer):
  50     m_xContainer(rContainer),
  51     m_nRefCount(0)
  52 {
  53     OSL_ASSERT(m_xContainer.is());
  54 }
  55
  56 inline Object1::~Object1() SAL_THROW(())
  57 {}
  58
  59 void ObjectContainer1::releaseElement(Object1 * pElement) SAL_THROW(())
  60 {
  61     OSL_ASSERT(pElement);
  62     bool bDelete = false;
  63     {
  64         osl::MutexGuard aGuard(m_aMutex);
  65         if (osl_decrementInterlockedCount(&pElement->m_nRefCount) == 0)
  66         {
  67             m_aMap.erase(pElement->m_aContainerIt);
  68             bDelete = true;
  69         }
  70     }
  71     if (bDelete)
  72         delete pElement;
  73 }
  74
  75 ObjectContainer1::ObjectContainer1()
  76 {}
  77
  78 ObjectContainer1::~ObjectContainer1() SAL_THROW(())
  79 {}
  80
  81 rtl::Reference< Object1 > ObjectContainer1::get(rtl::OUString const & rKey)
  82 {
  83     osl::MutexGuard aGuard(m_aMutex);
  84     Map::iterator aIt(m_aMap.find(rKey));
  85     if (aIt == m_aMap.end())
  86     {
  87         std::auto_ptr< Object1 > xElement(new Object1(this));
  88         aIt = m_aMap.insert(Map::value_type(rKey, xElement.get())).first;
  89         aIt->second->m_aContainerIt = aIt;
  90         xElement.release();
  91     }
  92     return aIt->second;
  93 }