ogrmutexeddatasource.h

/******************************************************************************
 * $Id$
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Purpose:  Defines OGRLMutexedDataSource class
 * Author:   Even Rouault, even dot rouault at spatialys.com
 *
 ******************************************************************************
 * Copyright (c) 2013, Even Rouault <even dot rouault at spatialys.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ****************************************************************************/
 
#ifndef OGRMUTEXEDDATASOURCELAYER_H_INCLUDED
#define OGRMUTEXEDDATASOURCELAYER_H_INCLUDED
 
#ifndef DOXYGEN_SKIP
 
#include "ogrsf_frmts.h"
#include "cpl_multiproc.h"
#include "ogrmutexedlayer.h"
#include <map>
 
class CPL_DLL OGRMutexedDataSource : public OGRDataSource
{
    CPL_DISALLOW_COPY_ASSIGN(OGRMutexedDataSource)
 
  protected:
    OGRDataSource *m_poBaseDataSource;
    int m_bHasOwnership;
    CPLMutex *m_hGlobalMutex;
    int m_bWrapLayersInMutexedLayer;
    std::map<OGRLayer *, OGRMutexedLayer *> m_oMapLayers{};
    std::map<OGRMutexedLayer *, OGRLayer *> m_oReverseMapLayers{};
 
    OGRLayer *WrapLayerIfNecessary(OGRLayer *poLayer);
 
  public:
    /* The construction of the object isn't protected by the mutex */
    OGRMutexedDataSource(OGRDataSource *poBaseDataSource, int bTakeOwnership,
                         CPLMutex *hMutexIn, int bWrapLayersInMutexedLayer);
 
    /* The destruction of the object isn't protected by the mutex */
    virtual ~OGRMutexedDataSource() override;
 
    OGRDataSource *GetBaseDataSource()
    {
        return m_poBaseDataSource;
    }
 
    virtual const char *GetName() override;
 
    virtual int GetLayerCount() override;
    virtual OGRLayer *GetLayer(int) override;
    virtual OGRLayer *GetLayerByName(const char *) override;
    virtual OGRErr DeleteLayer(int) override;
    virtual bool IsLayerPrivate(int iLayer) const override;
 
    virtual int TestCapability(const char *) override;
 
    virtual OGRLayer *ICreateLayer(const char *pszName,
                                   const OGRGeomFieldDefn *poGeomFieldDefn,
                                   CSLConstList papszOptions) override;
    virtual OGRLayer *CopyLayer(OGRLayer *poSrcLayer, const char *pszNewName,
                                char **papszOptions = nullptr) override;
 
    virtual OGRStyleTable *GetStyleTable() override;
    virtual void SetStyleTableDirectly(OGRStyleTable *poStyleTable) override;
 
    virtual void SetStyleTable(OGRStyleTable *poStyleTable) override;
 
    virtual OGRLayer *ExecuteSQL(const char *pszStatement,
                                 OGRGeometry *poSpatialFilter,
                                 const char *pszDialect) override;
    virtual void ReleaseResultSet(OGRLayer *poResultsSet) override;
 
    virtual CPLErr FlushCache(bool bAtClosing) override;
 
    virtual OGRErr StartTransaction(int bForce = FALSE) override;
    virtual OGRErr CommitTransaction() override;
    virtual OGRErr RollbackTransaction() override;
 
    virtual char **GetMetadata(const char *pszDomain = "") override;
    virtual CPLErr SetMetadata(char **papszMetadata,
                               const char *pszDomain = "") override;
    virtual const char *GetMetadataItem(const char *pszName,
                                        const char *pszDomain = "") override;
    virtual CPLErr SetMetadataItem(const char *pszName, const char *pszValue,
                                   const char *pszDomain = "") override;
 
    virtual std::vector<std::string>
    GetFieldDomainNames(CSLConstList papszOptions = nullptr) const override;
    virtual const OGRFieldDomain *
    GetFieldDomain(const std::string &name) const override;
 
    virtual bool AddFieldDomain(std::unique_ptr<OGRFieldDomain> &&domain,
                                std::string &failureReason) override;
    virtual bool DeleteFieldDomain(const std::string &name,
                                   std::string &failureReason) override;
    virtual bool UpdateFieldDomain(std::unique_ptr<OGRFieldDomain> &&domain,
                                   std::string &failureReason) override;
 
    std::vector<std::string>
    GetRelationshipNames(CSLConstList papszOptions = nullptr) const override;
 
    const GDALRelationship *
    GetRelationship(const std::string &name) const override;
 
    virtual std::shared_ptr<GDALGroup> GetRootGroup() const override;
};
 
#endif /* #ifndef DOXYGEN_SKIP */
 
#endif  // OGRMUTEXEDDATASOURCELAYER_H_INCLUDED