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// -*- C++ -*-
//=============================================================================
/**
* @file Storable.h
*
* $Id$
*
* @author Bruce Trask <trask_b@ociweb.com>
* @author Chanaka Liyanaarachchi <chanaka@ociweb.com>
*/
//=============================================================================
#ifndef TAO_NAMING_STORABLE_H
#define TAO_NAMING_STORABLE_H
#include "ace/config-all.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "tao/Versioned_Namespace.h"
#include "ace/SString.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
static const int szInt = sizeof(int);
static const int szChar = sizeof(char);
static const int szBool = sizeof(int);
class TAO_NS_Persistence_Header
{
public:
void size (unsigned int size);
unsigned int size () const ;
void destroyed (int flag);
int destroyed () const ;
private:
unsigned int size_;
int destroyed_;
};
class TAO_NS_Persistence_Record
{
public:
enum Record_Type {LOCAL_NCONTEXT, OBJREF, REMOTE_NCONTEXT};
Record_Type type () const;
void type (Record_Type type);
ACE_CString id () const;
void id (const ACE_CString& id);
ACE_CString kind () const;
void kind (const ACE_CString& kind);
ACE_CString ref () const;
void ref (const ACE_CString& ior);
private:
Record_Type type_;
ACE_CString id_;
ACE_CString kind_;
ACE_CString ref_;
};
class TAO_NS_Persistence_Global
{
public:
void counter (unsigned int counter);
unsigned int counter () const ;
private:
unsigned int counter_;
};
class TAO_Storable_Base
{
public:
TAO_Storable_Base();
virtual ~TAO_Storable_Base();
virtual void remove() = 0;
virtual int exists() = 0;
virtual int open () = 0;
virtual int close () = 0;
virtual int flock (int whence, int start, int len) = 0;
virtual int funlock (int whence, int start, int len) = 0;
virtual time_t last_changed(void) = 0;
// Mimic a portion of the std::ios interface. We need to be able
// to indicate error states from the extraction operators below.
enum Storable_State { goodbit = 0,
badbit = 1,
eofbit = 2,
failbit = 4
};
void clear (Storable_State state = goodbit);
void setstate (Storable_State state);
Storable_State rdstate (void) const;
bool good (void) const;
bool bad (void) const;
bool eof (void) const;
bool fail (void) const;
virtual TAO_Storable_Base& operator << (
const TAO_NS_Persistence_Header& header) = 0;
virtual TAO_Storable_Base& operator << (
const TAO_NS_Persistence_Record& record) = 0;
virtual TAO_Storable_Base& operator >> (
TAO_NS_Persistence_Header& header) = 0;
virtual TAO_Storable_Base& operator >> (
TAO_NS_Persistence_Record& record) = 0;
virtual TAO_Storable_Base& operator << (
const TAO_NS_Persistence_Global& global) = 0;
virtual TAO_Storable_Base& operator >> (
TAO_NS_Persistence_Global& global) = 0;
private:
Storable_State state_;
};
class TAO_Naming_Service_Persistence_Factory
{
public:
TAO_Naming_Service_Persistence_Factory();
virtual ~TAO_Naming_Service_Persistence_Factory();
// Factory Methods
virtual TAO_Storable_Base *create_stream(const ACE_CString & file,
const ACE_TCHAR * mode) = 0;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined (__ACE_INLINE__)
#include "orbsvcs/Naming/Storable.inl"
#endif /* __ACE_INLINE_ */
#endif /* TAO_NAMING_STORABLE_H */
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