ogrmutexeddatasource.h

00001 /******************************************************************************
00002  * $Id: ogrmutexeddatasource.h 27044 2014-03-16 23:41:27Z rouault $
00003  *
00004  * Project:  OpenGIS Simple Features Reference Implementation
00005  * Purpose:  Defines OGRLMutexedDataSource class
00006  * Author:   Even Rouault, even dot rouault at mines dash paris dot org
00007  *
00008  ******************************************************************************
00009  * Copyright (c) 2013, Even Rouault <even dot rouault at mines-paris dot org>
00010  *
00011  * Permission is hereby granted, free of charge, to any person obtaining a
00012  * copy of this software and associated documentation files (the "Software"),
00013  * to deal in the Software without restriction, including without limitation
00014  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
00015  * and/or sell copies of the Software, and to permit persons to whom the
00016  * Software is furnished to do so, subject to the following conditions:
00017  *
00018  * The above copyright notice and this permission notice shall be included
00019  * in all copies or substantial portions of the Software.
00020  *
00021  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
00022  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00023  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
00024  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00025  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
00026  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
00027  * DEALINGS IN THE SOFTWARE.
00028  ****************************************************************************/
00029 
00030 #ifndef _OGRMUTEXEDDATASOURCELAYER_H_INCLUDED
00031 #define _OGRMUTEXEDDATASOURCELAYER_H_INCLUDED
00032 
00033 #include "ogrsf_frmts.h"
00034 
00042 class CPL_DLL OGRMutexedDataSource : public OGRDataSource
00043 {
00044   protected:
00045     OGRDataSource *m_poBaseDataSource;
00046     int            m_bHasOwnership;
00047     void          *m_hGlobalMutex;
00048 
00049   public:
00050 
00051     /* The construction of the object isn't protected by the mutex */
00052                  OGRMutexedDataSource(OGRDataSource* poBaseDataSource,
00053                                       int bTakeOwnership,
00054                                       void* hMutexIn);
00055 
00056     /* The destruction of the object isn't protected by the mutex */
00057     virtual     ~OGRMutexedDataSource();
00058 
00059     virtual const char  *GetName();
00060 
00061     virtual int         GetLayerCount() ;
00062     virtual OGRLayer    *GetLayer(int);
00063     virtual OGRLayer    *GetLayerByName(const char *);
00064     virtual OGRErr      DeleteLayer(int);
00065 
00066     virtual int         TestCapability( const char * );
00067 
00068     virtual OGRLayer   *CreateLayer( const char *pszName, 
00069                                      OGRSpatialReference *poSpatialRef = NULL,
00070                                      OGRwkbGeometryType eGType = wkbUnknown,
00071                                      char ** papszOptions = NULL );
00072     virtual OGRLayer   *CopyLayer( OGRLayer *poSrcLayer, 
00073                                    const char *pszNewName, 
00074                                    char **papszOptions = NULL );
00075 
00076     virtual OGRStyleTable *GetStyleTable();
00077     virtual void        SetStyleTableDirectly( OGRStyleTable *poStyleTable );
00078                             
00079     virtual void        SetStyleTable(OGRStyleTable *poStyleTable);
00080 
00081     virtual OGRLayer *  ExecuteSQL( const char *pszStatement,
00082                                     OGRGeometry *poSpatialFilter,
00083                                     const char *pszDialect );
00084     virtual void        ReleaseResultSet( OGRLayer * poResultsSet );
00085 
00086     virtual OGRErr      SyncToDisk();
00087 };
00088 
00089 #endif // _OGRMUTEXEDDATASOURCELAYER_H_INCLUDED

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