---

DataObject.h

Go to the documentation of this file.

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

// Include files
#include "GaudiKernel/ClassID.h"
#include "GaudiKernel/IDataDirectory.h"
#include "GaudiKernel/IInspectable.h"
#include "GaudiKernel/ISerialize.h"

#include <vector>

// Forward declarations
class IDataDirectory;
class IOpaqueAddress;
class StreamBuffer;
class DataObject;

// Definition of the CLID for this class  
static const CLID CLID_DataObject = 1;

class DataObject : virtual public IInspectable  {
public:
  enum DirLinkType {INVALID, VALID};
  class Link   {
    friend class DataObject;
    std::string m_path;
    DataObject* m_pObject;
    long m_id;
    Link(long id, const std::string& path, const DataObject* pObject=0) 
    : m_path(path), m_id(id) {
      set(pObject);
    }
    Link() : m_path(""), m_pObject(0), m_id(INVALID) {
    }
    Link& operator=(const Link& link)  {
      set(link.m_pObject);
      m_path = link.m_path;
      m_id   = link.m_id;
      return *this;
    }
    void set(const DataObject* pObject)   {
      m_pObject = const_cast<DataObject*>(pObject);
    }
    void set(long id, const std::string& path, const DataObject* pObject)   {
      set(pObject);
      m_path = path;
      m_id   = id;
    }
  public:
    bool operator==(const Link& link)  const  {
      return link.m_path == m_path;
    }
    DataObject* object()    {
      return m_pObject;
    }
    const DataObject* object()  const  {
      return m_pObject;
    }
    const std::string& path()   const   {
      return m_path;
    }
    long ID()  const    {
      return m_id;
    }
    IOpaqueAddress* address();
  };
  typedef std::vector<Link*>           LinkVector;
  typedef IDataDirectory::DirIterator  DirIterator;
  typedef IDataDirectory::DirIterator  ConstDirIterator;
  typedef LinkVector::iterator         LinkIterator;
  typedef LinkVector::const_iterator   ConstLinkIterator;
private:
  IDataDirectory*    m_pDirectory;
  unsigned long      m_refCount;
  mutable LinkVector m_linkVector;
  unsigned char      m_version;
  bool               m_isLocked;
public:
  DataObject(const std::string& name = "");
  virtual ~DataObject();
  virtual unsigned long addRef();
  virtual unsigned long release();
  virtual unsigned long refCount()    const;
  virtual const CLID& clID() const;
  static const CLID& classID();
  virtual const unsigned char version()    const;
  virtual void setVersion(unsigned char vsn);
  const std::string& localPath() const;
  const std::string& location() const;
  const std::string& fullpath() const;
  DataObject* parent();
  const DataObject* parent()  const;
  DataObject* find(const std::string& path);
  const DataObject* find(const std::string& path)     const;
  IDataDirectory* leaf(const std::string& path);
  const IDataDirectory* leaf(const std::string& path)     const;
  void setDirectory(IDataDirectory* dir);
  IDataDirectory* directory();
  const IDataDirectory* directory()  const;
  virtual TransientStore* store();
  virtual const TransientStore* store()   const;
  IOpaqueAddress* address();
  const IOpaqueAddress* address()  const;
  DirIterator dirBegin();
  ConstDirIterator dirBegin()    const;
  DirIterator dirEnd();
  ConstDirIterator dirEnd()      const;
  LinkIterator linkBegin();
  ConstLinkIterator linkBegin()    const;
  LinkIterator linkEnd();
  ConstLinkIterator linkEnd()      const;
  size_t linkSize()    const;
  Link* symLink(long id);
  Link* symLink(DataObject* pObject);
  Link* symLink(const std::string& path);
  long addLink(const std::string& path, const DataObject* pObject)   const;
  long removeLink(const DataObject* pObject)   const;
  long removeLink(const std::string& fullPath)   const;
  long removeLink(long id)   const;
  void clearLinks();
  virtual StreamBuffer& serialize(StreamBuffer& s);
  virtual StreamBuffer& serialize(StreamBuffer& s)  const;
  virtual bool acceptInspector(IInspector* pI);
  virtual bool acceptInspector(IInspector* pI)  const;
  bool isLocked( ) const;
  StatusCode setLocked( );

private:
  StatusCode setUnlocked( );

};

#endif // GAUDIKERNEL_DATAOBJECT_H

---