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# ogrmutexeddatasource.h

    00001 /******************************************************************************
    00002  * $Id: ogrmutexeddatasource.h 28601 2015-03-03 11:06:40Z 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 #include "cpl_multiproc.h"
    00035 #include "ogrmutexedlayer.h"
    00036 #include <map>
    00037
    00045 class CPL_DLL OGRMutexedDataSource : public OGRDataSource
    00046 {
    00047   protected:
    00048     OGRDataSource *m_poBaseDataSource;
    00049     int            m_bHasOwnership;
    00050     CPLMutex      *m_hGlobalMutex;
    00051     int            m_bWrapLayersInMutexedLayer;
    00052     std::map<OGRLayer*, OGRMutexedLayer* > m_oMapLayers;
    00053     std::map<OGRMutexedLayer*, OGRLayer* > m_oReverseMapLayers;
    00054
    00055     OGRLayer*           WrapLayerIfNecessary(OGRLayer* poLayer);
    00056
    00057   public:
    00058
    00059     /* The construction of the object isn't protected by the mutex */
    00060                  OGRMutexedDataSource(OGRDataSource* poBaseDataSource,
    00061                                       int bTakeOwnership,
    00062                                       CPLMutex* hMutexIn,
    00063                                       int bWrapLayersInMutexedLayer);
    00064
    00065     /* The destruction of the object isn't protected by the mutex */
    00066     virtual     ~OGRMutexedDataSource();
    00067
    00068     OGRDataSource*      GetBaseDataSource() { return m_poBaseDataSource; }
    00069
    00070     virtual const char  *GetName();
    00071
    00072     virtual int         GetLayerCount() ;
    00073     virtual OGRLayer    *GetLayer(int);
    00074     virtual OGRLayer    *GetLayerByName(const char *);
    00075     virtual OGRErr      DeleteLayer(int);
    00076
    00077     virtual int         TestCapability( const char * );
    00078
    00079     virtual OGRLayer   *ICreateLayer( const char *pszName,
    00080                                      OGRSpatialReference *poSpatialRef = NULL,
    00081                                      OGRwkbGeometryType eGType = wkbUnknown,
    00082                                      char ** papszOptions = NULL );
    00083     virtual OGRLayer   *CopyLayer( OGRLayer *poSrcLayer,
    00084                                    const char *pszNewName,
    00085                                    char **papszOptions = NULL );
    00086
    00087     virtual OGRStyleTable *GetStyleTable();
    00088     virtual void        SetStyleTableDirectly( OGRStyleTable *poStyleTable );
    00089
    00090     virtual void        SetStyleTable(OGRStyleTable *poStyleTable);
    00091
    00092     virtual OGRLayer *  ExecuteSQL( const char *pszStatement,
    00093                                     OGRGeometry *poSpatialFilter,
    00094                                     const char *pszDialect );
    00095     virtual void        ReleaseResultSet( OGRLayer * poResultsSet );
    00096
    00097     virtual void        FlushCache();
    00098
    00099     virtual OGRErr      StartTransaction(int bForce=FALSE);
    00100     virtual OGRErr      CommitTransaction();
    00101     virtual OGRErr      RollbackTransaction();
    00102
    00103     virtual char      **GetMetadata( const char * pszDomain = "" );
    00104     virtual CPLErr      SetMetadata( char ** papszMetadata,
    00105                                      const char * pszDomain = "" );
    00106     virtual const char *GetMetadataItem( const char * pszName,
    00107                                          const char * pszDomain = "" );
    00108     virtual CPLErr      SetMetadataItem( const char * pszName,
    00109                                          const char * pszValue,
    00110                                          const char * pszDomain = "" );
    00111 };
    00112
    00113 #endif // _OGRMUTEXEDDATASOURCELAYER_H_INCLUDED

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