view Odbc/Plugins/OdbcIndex.h @ 595:272eeb046a88 find-refactoring

Introduced a new ChildCount table in PG to improve retrieval of NumberOfRelatedStudyInstances and other similar tags that could consume up to 95% of a request time + added a DB-Housekeeper thread to populate the new table
author Alain Mazy <am@orthanc.team>
date Tue, 26 Nov 2024 17:59:14 +0100
parents 3b1070dcab2f
children
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/**
 * Orthanc - A Lightweight, RESTful DICOM Store
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017-2023 Osimis S.A., Belgium
 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "../../Framework/Plugins/IndexBackend.h"

namespace OrthancDatabases
{
  class OdbcIndex : public IndexBackend
  {
  private:
    unsigned int maxConnectionRetries_;
    unsigned int connectionRetryInterval_;
    std::string  connectionString_;
    
  protected:
    virtual bool HasChildCountTable() const
    {
      return false;
    }

  public:
    OdbcIndex(OrthancPluginContext* context,
              const std::string& connectionString,
              bool readOnly);

    unsigned int GetMaxConnectionRetries() const
    {
      return maxConnectionRetries_;
    }

    void SetMaxConnectionRetries(unsigned int retries)
    {
      maxConnectionRetries_ = retries;
    }

    unsigned int GetConnectionRetryInterval() const
    {
      return connectionRetryInterval_;
    }

    void SetConnectionRetryInterval(unsigned int seconds);

    virtual IDatabaseFactory* CreateDatabaseFactory() ORTHANC_OVERRIDE;    
    
    virtual void ConfigureDatabase(DatabaseManager& manager,
                                   bool hasIdentifierTags,
                                   const std::list<IdentifierTag>& identifierTags) ORTHANC_OVERRIDE;
    
    virtual bool HasRevisionsSupport() const ORTHANC_OVERRIDE
    {
      return true;
    }

    virtual int64_t CreateResource(DatabaseManager& manager,
                                   const char* publicId,
                                   OrthancPluginResourceType type) ORTHANC_OVERRIDE;
    
    virtual void DeleteResource(IDatabaseBackendOutput& output,
                                DatabaseManager& manager,
                                int64_t id) ORTHANC_OVERRIDE;
    
    virtual void LogChange(DatabaseManager& manager,
                           int32_t changeType,
                           int64_t resourceId,
                           OrthancPluginResourceType resourceType,
                           const char* date) ORTHANC_OVERRIDE;

    virtual int64_t GetLastChangeIndex(DatabaseManager& manager) ORTHANC_OVERRIDE;

    virtual void DeleteAttachment(IDatabaseBackendOutput& output,
                                  DatabaseManager& manager,
                                  int64_t id,
                                  int32_t attachment) ORTHANC_OVERRIDE;
    
    // New primitive since Orthanc 1.12.0
    virtual bool HasLabelsSupport() const ORTHANC_OVERRIDE
    {
      return false;
    }

#if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 12, 5)
    virtual bool HasFindSupport() const ORTHANC_OVERRIDE;
#endif

#if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 12, 5)
    // virtual void ExecuteFind(Orthanc::DatabasePluginMessages::TransactionResponse& response,
    //                          DatabaseManager& manager,
    //                          const Orthanc::DatabasePluginMessages::Find_Request& request) ORTHANC_OVERRIDE;

    // virtual void ExecuteCount(Orthanc::DatabasePluginMessages::TransactionResponse& response,
    //                           DatabaseManager& manager,
    //                           const Orthanc::DatabasePluginMessages::Find_Request& request) ORTHANC_OVERRIDE;
#endif
  };
}