CCompositeMigrationControllerComp.h

// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ImtCore-Commercial
#pragma once
 
 
// ACF includes
#include <ilog/TLoggerCompWrap.h>
#include <ifile/IFileNameParam.h>
 
// ImtCore includes
#include <imtdb/IMigrationController.h>
#include <imtdb/IDatabaseEngine.h>
 
 
namespace imtdb
{
 
 
class CCompositeMigrationControllerComp: public ilog::CLoggerComponentBase, virtual public imtdb::IMigrationController
{
public:
       typedef ilog::CLoggerComponentBase BaseClass;
 
       I_BEGIN_COMPONENT(CCompositeMigrationControllerComp);
              I_REGISTER_INTERFACE(imtdb::IMigrationController)
              I_ASSIGN_MULTI_0(m_migrationControllersCompPtr, "MigrationControllers", "Migration controllers", false);
       I_END_COMPONENT;
 
protected:
       struct MigrationStep
       {
              int from = -1;
              int to = -1;
              const imtdb::IMigrationController* migrationControllerPtr = nullptr;
       };
 
       typedef QVector<MigrationStep> MigrationSteps;
 
       const imtdb::IMigrationController* FindMigrationController(int migrationIndex) const;
 
       // reimplemented (imtdb::IMigrationController)
       virtual istd::CIntRange GetMigrationRange() const override;
       virtual bool DoMigration(int& resultRevision, const istd::CIntRange& subRange = istd::CIntRange()) const override;
       
private:
       MigrationStep CreateMigrationStep(int from, int to, const imtdb::IMigrationController* migrationControllerPtr) const;
       bool ContainsStep(const istd::CIntRange& range, const MigrationSteps steps) const;
 
private:
       I_MULTIREF(imtdb::IMigrationController, m_migrationControllersCompPtr);
};
 
 
} // namespace imtdb