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DataSvc.h

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// $Header: /nfs/slac/g/glast/ground/cvs/GaudiKernel/GaudiKernel/DataSvc.h,v 1.1.1.1 2001/04/18 18:14:18 tlindner Exp $
#ifndef GAUDIKERNEL_DATASVC_H
#define GAUDIKERNEL_DATASVC_H

// Include files
#include "GaudiKernel/Service.h"
#include "GaudiKernel/IDataManagerSvc.h"
#include "GaudiKernel/IDataProviderSvc.h"
#include "GaudiKernel/TransientStore.h"
#include "GaudiKernel/DataStoreItem.h"

// Forward declarations
// Generic registry entry
class RegistryEntry;
// Generic address
class IOpaqueAddress;
// Generic interface to data object class
class DataObject;
// Data store agent
class IDataStoreAgent;
// Service factory
template <class TYPE> class SvcFactory;

class DataSvc  : public Service,
                 virtual public IDataProviderSvc, 
                 virtual public IDataManagerSvc   {
  friend class SvcFactory<DataSvc>;

public:
  typedef std::vector<DataStoreItem> LoadItems;

  virtual CLID rootEventCLID() const;
  virtual std::string rootEventName() const;

protected:
  TransientStore  m_root;
  int             m_rootEventCLID;
  std::string m_rootEventName;
  IConversionSvc* m_dataLoader;
  LoadItems       m_preLoads;
public:
  virtual StatusCode clearSubTree( const std::string& sub_tree_path );

  virtual StatusCode clearSubTree( DataObject* pObject );

  virtual StatusCode clearStore();

  virtual StatusCode traverseSubTree( const std::string& sub_tree_path, IDataStoreAgent* pAgent );

  virtual StatusCode traverseSubTree( DataObject* pObject, IDataStoreAgent* pAgent );

  virtual StatusCode traverseTree( IDataStoreAgent* pAgent );

  virtual StatusCode setRoot( const std::string& root_name, DataObject* pRootObj );

  virtual StatusCode setRoot( const std::string& root_path, IOpaqueAddress* pRootAddr );

  virtual StatusCode setDataLoader( IConversionSvc* svc );

  virtual StatusCode addPreLoadItem( const DataStoreItem& item );

  virtual StatusCode addPreLoadItem( const std::string& itemPath );

  virtual StatusCode removePreLoadItem( const DataStoreItem& item );

  virtual StatusCode removePreLoadItem( const std::string& itemPath );

  virtual StatusCode resetPreLoad();

  virtual StatusCode preLoad( int depth, int load_depth, DataObject* pObject );

  virtual StatusCode preLoad();

  virtual StatusCode registerObject( const std::string& fullPath, DataObject* pObject );

  virtual StatusCode registerObject( const std::string& parentPath, const std::string& objPath, DataObject* pObject );

  virtual StatusCode registerObject( const std::string& parentPath, int item, DataObject* pObject );

  virtual StatusCode registerObject( DataObject* parentObj, const std::string& objPath, DataObject* pObject );

  virtual StatusCode registerObject( DataObject* parentObj, int item, DataObject* pObject );

  virtual StatusCode unregisterObject( const std::string& fullPath );

  virtual StatusCode unregisterObject( const std::string& parentPath, const std::string& objectPath );

  virtual StatusCode unregisterObject( const std::string& parentPath, int item );

  virtual StatusCode unregisterObject( DataObject* pObject );

  virtual StatusCode unregisterObject( DataObject* pObject, const std::string& objectPath );

  virtual StatusCode unregisterObject( DataObject* pObject, int item );

  virtual StatusCode retrieveObject( IDataDirectory* pDirectory, const std::string& path, DataObject*& pObject );

  virtual StatusCode retrieveObject( const std::string& fullPath, DataObject*& pObject );

  virtual StatusCode retrieveObject( const std::string& parentPath, const std::string& objPath, DataObject*& pObject );

  virtual StatusCode retrieveObject( const std::string& parentPath, int item, DataObject*& pObject );

  virtual StatusCode retrieveObject( DataObject* parentObj, const std::string& objPath, DataObject*& pObject );

  virtual StatusCode retrieveObject( DataObject* parentObj, int item, DataObject*& pObject );

  virtual StatusCode findObject( const std::string& fullPath, DataObject*& pObject );

  virtual StatusCode findObject( IDataDirectory* pDirectory, const std::string& path, DataObject*& pObject );

  virtual StatusCode findObject( const std::string& parentPath, const std::string& objPath, DataObject*& pObject );

  virtual StatusCode findObject( const std::string& parentPath, int item, DataObject*& pObject );

  virtual StatusCode findObject( DataObject* parentObj, const std::string& objPath, DataObject*& pObject );

  virtual StatusCode findObject( DataObject* parentObj, int item, DataObject*& pObject );

  virtual StatusCode updateRegistryEntry( IOpaqueAddress* pAddress, DataObject* pObj );

  virtual StatusCode linkObject( IDataDirectory* from, const std::string& objPath, DataObject* to );

  virtual StatusCode linkObject( const std::string& fromPath, const std::string& objPath, DataObject* to );

  virtual StatusCode linkObject( DataObject* from, const std::string& objPath, DataObject* to );

  virtual StatusCode linkObject( const std::string& fullPath, DataObject* to );

  virtual StatusCode unlinkObject( IDataDirectory* from, const std::string& objPath );

  virtual StatusCode unlinkObject( const std::string& fromPath, const std::string& objPath );

  virtual StatusCode unlinkObject( DataObject* fromObj, const std::string& objPath );

  virtual StatusCode unlinkObject( const std::string& fullPath );

  virtual StatusCode updateObject(IDataDirectory* pDirectory );

  virtual StatusCode updateObject( const std::string& updatePath );

  virtual StatusCode updateObject( DataObject* toUpdate );

  virtual StatusCode updateObject( const std::string& parentPath, const std::string& updatePath );

  virtual StatusCode updateObject( DataObject* pParent, const std::string& updatePath );

  virtual StatusCode queryInterface( const IID& riid, void** ppvUnknown );

  virtual StatusCode initialize();

  virtual StatusCode finalize();

protected:
  DataSvc( const std::string& name, ISvcLocator* svc );

  virtual ~DataSvc();

  bool checkRoot()    {
    return m_root.isValid();
  }

  StatusCode retrieveEntry( RegistryEntry* pNode,const std::string& path, RegistryEntry*& pEntry );

  virtual StatusCode loadObject( IDataDirectory* pNode );
};
#endif // GAUDIKERNEL_DATASVC_H

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