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// -*- C++ -*-
//=============================================================================
/**
* @file FT_Storable_Naming_Context.h
*
*
* @author Kevin Stanley <stanleyk@ociweb.com>
*/
//=============================================================================
#ifndef TAO_FT_STORABLE_NAMING_CONTEXT_H
#define TAO_FT_STORABLE_NAMING_CONTEXT_H
#include /**/ "ace/pre.h"
#include "orbsvcs/Naming/Storable_Naming_Context.h"
#include "orbsvcs/Naming/FaultTolerant/ftnaming_export.h"
#include "orbsvcs/PortableGroupC.h"
#include "orbsvcs/Naming/FaultTolerant/FT_Naming_Manager.h"
#include "orbsvcs/FT_NamingReplicationC.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_FT_Naming_Replication_Manager;
/**
* @class FT_TAO_Storable_Naming_Context
*
* @brief This class specializes the TAO_Storable_Naming_Context
* 'ConcreteImplementor' in the Bridge pattern architecture of the
* CosNaming::NamingContext implementation.
*
*/
class TAO_FtNaming_Export TAO_FT_Storable_Naming_Context :
public TAO_Storable_Naming_Context
{
public:
/**
* Constructor that takes in preallocated data structure and takes
* ownership of it. Derived class from TAO_Persistent_Naming_Context
* provides specialization of the resolve operation to support
* load balancing.
*/
TAO_FT_Storable_Naming_Context (CORBA::ORB_ptr orb,
PortableServer::POA_ptr poa,
const char *poa_id,
TAO_Storable_Naming_Context_Factory *cxt_factory,
TAO::Storable_Factory *factory);
/// Destructor.
virtual ~TAO_FT_Storable_Naming_Context () = default;
/**
* Override the resolve operation to support load balancing using
* the object group manager and associated strategy.
*/
virtual CORBA::Object_ptr resolve (const CosNaming::Name &n);
// Set the Naming Manager as a static so that it is available for all
// naming context implementations.
static void set_naming_manager (TAO_FT_Naming_Manager *mgr_impl);
bool is_object_group (const CORBA::Object_ptr obj) const;
/**
* Queues a request to update the peer replica instance of this
* context.
*/
void propagate_update_notification (FT_Naming::ChangeType change_type);
/**
* Find the indicated context below this context. Returns 0
* if it cannot be found.
*/
TAO_FT_Storable_Naming_Context* find_relative_context (
const CosNaming::Name &n);
/**
* Mark the implementation as stale for replicated persistence support.
*/
virtual void stale (bool is_stale);
virtual bool stale (void);
/**
* An internal utility used to signal that this context was updated.
* Check the last_changed_ attribute for the time of the write.
*/
void context_written (void);
/**
* An internal callback invoked by the File_Open_Lock_and_Check
* object to determine if this context is obsolete with respect to the
* file object .
*/
virtual bool is_obsolete (time_t stored_time);
protected:
static TAO_FT_Naming_Manager *naming_manager_;
bool stale_;
TAO_FT_Naming_Replication_Manager *replicator_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_FT_STORABLE_NAMING_CONTEXT_H */
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