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// -*- C++ -*-
//=============================================================================
/**
* @file PG_Group_Factory.h
*
* $Id$
*
* @author Dale Wilson <wilson_d@ociweb.com>
* @author Byron Harris <harrisb@ociweb.com>
*/
//=============================================================================
#ifndef TAO_PG_GROUP_FACTORY_H
#define TAO_PG_GROUP_FACTORY_H
#include /**/ "ace/pre.h"
#include "orbsvcs/PortableGroup/portablegroup_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "orbsvcs/PortableGroup/PG_Object_Group_Manipulator.h"
#include "orbsvcs/PortableGroupC.h"
#include "tao/PortableServer/PortableServer.h"
#include "ace/ACE.h"
#include "ace/Hash_Map_Manager.h"
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
//////////////////
// Forward references
namespace TAO
{
class PG_Property_Set;
class PG_Group_List_Store;
class PG_Object_Group_Storable;
class Storable_Factory;
}
namespace TAO
{
/////////////////////
// forward references
class PG_Object_Group;
/**
* class PG_Group_Factory
*/
class TAO_PortableGroup_Export PG_Group_Factory
{
////////////////////////////////////////////////////////////
// typedef private implementation classes
typedef ACE_Hash_Map_Manager_Ex<
PortableGroup::ObjectGroupId,
::TAO::PG_Object_Group *,
ACE_Hash<ACE_UINT64>,
ACE_Equal_To<ACE_UINT64>,
TAO_SYNCH_MUTEX> Group_Map;
typedef ACE_Hash_Map_Entry <PortableGroup::ObjectGroupId, ::TAO::PG_Object_Group *> Group_Map_Entry;
typedef ACE_Hash_Map_Iterator_Ex <
PortableGroup::ObjectGroupId,
::TAO::PG_Object_Group *,
ACE_Hash<ACE_UINT64>,
ACE_Equal_To<ACE_UINT64>,
TAO_SYNCH_MUTEX> Group_Map_Iterator;
public:
/// Constructor.
PG_Group_Factory ();
/// Destructor.
virtual ~PG_Group_Factory ();
void init (
CORBA::ORB_ptr orb,
PortableServer::POA_ptr poa,
PortableGroup::FactoryRegistry_ptr factory_registry);
TAO::PG_Object_Group * create_group (
const char * type_id,
const PortableGroup::Criteria & the_criteria,
TAO::PG_Property_Set * typeid_properties);
void delete_group (PortableGroup::ObjectGroup_ptr object_group);
void delete_group (PortableGroup::ObjectGroupId group_id);
PortableGroup::ObjectGroups *
groups_at_location (
const PortableGroup::Location & the_location);
/**
* return all groups in the factory
*/
PortableGroup::ObjectGroups *
all_groups (void);
/**
* insert existing group. Take ownership
* note: uses group id extracted from group object
* @return bool true if insertion successful
*/
int insert_group ( ::TAO::PG_Object_Group * group);
/**
* insert group. Take ownership
* @return bool true if insertion successful
*/
int insert_group (PortableGroup::ObjectGroupId group_id, ::TAO::PG_Object_Group * group);
/**
* find group
* @return bool true if found
*/
int find_group (PortableGroup::ObjectGroupId group_id, ::TAO::PG_Object_Group *& group);
/**
* find group
* note: uses group id extracted from object_group
* @return bool true if found
*/
int find_group (PortableGroup::ObjectGroup_ptr object_group, ::TAO::PG_Object_Group *& group);
/**
* find group with the property with the designated value
* @return bool true if found
*/
int find_group_with_name (const char* group_name, ::TAO::PG_Object_Group *& group);
/**
* remove group from map and delete it.
* @return bool true if found
*/
int destroy_group (PortableGroup::ObjectGroupId object_group_id);
/**
* remove group from map and delete it.
* note: uses group id extracted from object_group
* @return bool true if found
*/
int destroy_group (PortableGroup::ObjectGroup_ptr object_group);
/**
* persist internal state to file for fault tolerant purposes.
*/
void set_object_group_storable_factory (TAO::Storable_Factory * factory);
protected:
/**
* Factory function to create a storable object object from
* scratch.
*/
virtual PG_Object_Group_Storable * create_persistent_group (
CORBA::ORB_ptr orb,
PortableGroup::FactoryRegistry_ptr factory_registry,
TAO::PG_Object_Group_Manipulator & manipulator,
CORBA::Object_ptr empty_group,
const PortableGroup::TagGroupTaggedComponent & tagged_component,
const char * type_id,
const PortableGroup::Criteria & the_criteria,
TAO::PG_Property_Set * type_properties,
TAO::Storable_Factory & storable_factory);
/**
* Factory function to restore an object group from
* persistent store.
*/
virtual PG_Object_Group_Storable * restore_persistent_group (
PortableGroup::ObjectGroupId group_id,
CORBA::ORB_ptr orb,
PortableGroup::FactoryRegistry_ptr factory_registry,
TAO::PG_Object_Group_Manipulator & manipulator,
TAO::Storable_Factory & storable_factory);
bool use_persistence_;
PG_Group_List_Store * list_store_;
private:
CORBA::ORB_var orb_;
/// Reference to the POA used to create object group references.
PortableServer::POA_var poa_;
/// The factory registry for replica factories
PortableGroup::FactoryRegistry_var factory_registry_;
::TAO::PG_Object_Group_Manipulator manipulator_;
const char * domain_id_;
/**
* If persistence is being used, update the map as
* necessary based on what's in the group list store.
*/
Group_Map & get_group_map ();
Group_Map group_map_;
///// Support for object group persistent /////
// Lazily read groups from store
bool groups_read_;
Storable_Factory * storable_factory_;
};
} // namespace TAO
TAO_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* TAO_PG_GROUP_FACTORY_H */
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