Source/Base/Threading/OSGThreadManager.inl

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
   3  *                                                                           *
   4  *                                                                           *
   5  *             Copyright (C) 2000-2003 by the OpenSG Forum                   *
   6  *                                                                           *
   7  *                            www.opensg.org                                 *
   8  *                                                                           *
   9  *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
  10  *                                                                           *
  11 \*---------------------------------------------------------------------------*/
  12 /*---------------------------------------------------------------------------*\
  13  *                                License                                    *
  14  *                                                                           *
  15  * This library is free software; you can redistribute it and/or modify it   *
  16  * under the terms of the GNU Library General Public License as published    *
  17  * by the Free Software Foundation, version 2.                               *
  18  *                                                                           *
  19  * This library is distributed in the hope that it will be useful, but       *
  20  * WITHOUT ANY WARRANTY; without even the implied warranty of                *
  21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU         *
  22  * Library General Public License for more details.                          *
  23  *                                                                           *
  24  * You should have received a copy of the GNU Library General Public         *
  25  * License along with this library; if not, write to the Free Software       *
  26  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
  27  *                                                                           *
  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
  31  *                                                                           *
  32  *                                                                           *
  33  *                                                                           *
  34  *                                                                           *
  35  *                                                                           *
  36  *                                                                           *
  37 \*---------------------------------------------------------------------------*/
  38
  39 OSG_BEGIN_NAMESPACE
  40
  41
  42 /*-------------------------- constructor ----------------------------------*/
  43
  44 template <class MPFieldT> inline
  45 MPFieldStore<MPFieldT>::MPFieldStore(void) :
  46     _mFieldTypeMap(),
  47     _mFieldMap    ()
  48 {
  49 }
  50
  51 /*--------------------------- destructor ----------------------------------*/
  52
  53 template <class MPFieldT> inline
  54 MPFieldStore<MPFieldT>::~MPFieldStore(void)
  55 {
  56 }
  57
  58 /*------------------------------ access -----------------------------------*/
  59
  60 template <class MPFieldT> inline
  61 MPFieldT *MPFieldStore<MPFieldT>::getMPField(const Char8 *szName,
  62                                              const Char8 *szTypeName,
  63                                                    bool   bGlobal   )
  64 {
  65     MPFieldT    *returnValue = NULL;
  66     MPFieldType *pElemType;
  67
  68     returnValue = findMPField(szName);
  69
  70     if(returnValue == NULL)
  71     {
  72         pElemType = findMPFieldType(szTypeName);
  73
  74         if(pElemType != NULL)
  75         {
  76             returnValue = pElemType->create(szName, bGlobal);
  77
  78             if(returnValue != NULL)
  79             {
  80                 if(returnValue->isGlobal() == true)
  81                 {
  82                     OSG::addRef(returnValue);
  83                 }
  84
  85                 _mFieldMap[std::string(returnValue->getCName())]= returnValue;
  86             }
  87         }
  88         else
  89         {
  90             PWARNING  << "could not find type named : " << szName << std::endl;
  91
  92             returnValue = NULL;
  93         }
  94     }
  95
  96     return returnValue;
  97 }
  98
  99
 100 /*------------------------------- get -----------------------------------*/
 101
 102 template <class MPFieldT> inline
 103 MPFieldT *MPFieldStore<MPFieldT>::findMPField(const Char8 *szName)
 104 {
 105     MPFieldMapIt gIt;
 106
 107     if(szName == NULL)
 108         return NULL;
 109
 110     gIt = _mFieldMap.find(std::string(szName));
 111
 112     if(gIt != _mFieldMap.end())
 113     {
 114         return (*gIt).second;
 115     }
 116     else
 117     {
 118         return NULL;
 119     }
 120 }
 121
 122 template <class MPFieldT> inline
 123 void MPFieldStore<MPFieldT>::removeMPField(MPFieldT *pField)
 124 {
 125     if(pField == NULL)
 126         return;
 127
 128     MPFieldMapIt gIt = _mFieldMap.find(std::string(pField->getCName()));
 129
 130     if(gIt != _mFieldMap.end())
 131     {
 132         if((*gIt).second->isGlobal() == true)
 133         {
 134             subRef((*gIt).second);
 135         }
 136
 137         _mFieldMap.erase(gIt);
 138     }
 139 }
 140
 141 /*-------------------------------------------------------------------------*/
 142 /*                               Helper                                    */
 143
 144 template <class MPFieldT> inline
 145 void MPFieldStore<MPFieldT>::clear(void)
 146 {
 147     MPFieldMapIt gIt = _mFieldMap.begin();
 148
 149     // don't delete objects that are refcounted - rather leak them
 150     // than destroying an object with active references to it.
 151
 152      while(gIt != _mFieldMap.end())
 153      {
 154          if((*gIt).second                != NULL &&
 155             (*gIt).second->isGlobal()    == true &&
 156             (*gIt).second->getRefCount() == 1     )
 157          {
 158              delete (*gIt).second;
 159          }
 160
 161          ++gIt;
 162      }
 163
 164     _mFieldMap.clear();
 165 }
 166
 167
 168 template <class MPFieldT> inline
 169 typename MPFieldStore<MPFieldT>::MPFieldType *
 170     MPFieldStore<MPFieldT>::findMPFieldType(const Char8 *szName) const
 171 {
 172     MPFieldTypeMapCIt gIt;
 173
 174     if(szName == NULL)
 175     {
 176         SWARNING << "typename == NULL" << std::endl;
 177         return NULL;
 178     }
 179
 180     gIt = _mFieldTypeMap.find(std::string(szName));
 181
 182     if(gIt != _mFieldTypeMap.end())
 183     {
 184         return (*gIt).second;
 185     }
 186     else
 187     {
 188         return NULL;
 189     }
 190 }
 191
 192 /*-------------------------------------------------------------------------*/
 193 /*                             Register                                    */
 194
 195 template <class MPFieldT> inline
 196 UInt32 MPFieldStore<MPFieldT>::registerMPType(MPFieldType *pType)
 197 {
 198     UInt32 returnValue = 0;
 199
 200     if(pType == NULL)
 201         return 0;
 202
 203     MPFieldType *pTmp = findMPFieldType(pType->getCName());
 204
 205     if(pTmp != NULL)
 206     {
 207         SLOG << "Error could not add second mp type with name "
 208                 << pType->getCName()
 209                 << std::endl;
 210
 211         return returnValue;
 212     }
 213
 214 /*
 215     returnValue = TypeFactory::the()->registerType(pType);
 216
 217     if(returnValue == 0)
 218     {
 219         SLOG << "Error in base type registration" << std::endl;
 220         return returnValue;
 221     }
 222 */
 223
 224     _mFieldTypeMap[std::string(pType->getCName())] = pType;
 225
 226     return returnValue;
 227 }
 228
 229 OSG_END_NAMESPACE