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/* -*- C++ -*- */
/**
* @file ETCL_Filter.h
*
* $Id$
*
* @author Pradeep Gore <pradeep@oomworks.com>
*/
#ifndef TAO_Notify_ETCL_FILTER_H
#define TAO_Notify_ETCL_FILTER_H
#include /**/ "ace/pre.h"
#include "orbsvcs/Notify/notify_serv_export.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
# pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Containers_T.h"
#include "ace/Hash_Map_Manager.h"
#include "ace/Atomic_Op.h"
#include "orbsvcs/CosNotifyFilterS.h"
#include "orbsvcs/Notify/Notify_Constraint_Interpreter.h"
#include "orbsvcs/Notify/Topology_Object.h"
#include "ace/Null_Mutex.h"
#if defined(_MSC_VER)
#pragma warning(push)
#pragma warning(disable:4250)
#endif /* _MSC_VER */
TAO_BEGIN_VERSIONED_NAMESPACE_DECL
class TAO_Notify_ETCL_Filter;
class TAO_Notify_Constraint_Expr : public TAO_Notify::Topology_Object
{
public:
friend class TAO_Notify_ETCL_Filter;
TAO_Notify_Constraint_Expr (void);
virtual ~TAO_Notify_Constraint_Expr ();
void save_persistent (
TAO_Notify::Topology_Saver& saver);
void load_attrs(
const TAO_Notify::NVPList& attrs);
TAO_Notify::Topology_Object* load_child (
const ACE_CString &type,
CORBA::Long id,
const TAO_Notify::NVPList& attrs);
private:
/// Release this object.
virtual void release (void);
// = DESCRIPTION
// Structure for associating ConstraintInfo with an interpreter.
//
CosNotifyFilter::ConstraintExp constr_expr;
// Constraint Expression.
TAO_Notify_Constraint_Interpreter interpreter;
// Constraint Interpreter.
};
/**
* @class TAO_ETCL_Filter
*
* @brief Implementation of CosNotifyFilter::Filter servant.
*
*/
class TAO_Notify_Serv_Export TAO_Notify_ETCL_Filter
: public POA_CosNotifyFilter::Filter,
public TAO_Notify::Topology_Object
{
public:
/// Constructor
TAO_Notify_ETCL_Filter (PortableServer::POA_ptr poa,
const char *constraint_grammar,
const TAO_Notify_Object::ID& id);
/// Destructor
virtual ~TAO_Notify_ETCL_Filter (void);
virtual void save_persistent (TAO_Notify::Topology_Saver& saver);
void load_attrs(const TAO_Notify::NVPList& attrs);
TAO_Notify::Topology_Object* load_child (const ACE_CString &type,
CORBA::Long id, const TAO_Notify::NVPList& attrs);
protected:
virtual char * constraint_grammar (void);
virtual CosNotifyFilter::ConstraintInfoSeq * add_constraints (const CosNotifyFilter::ConstraintExpSeq & constraint_list);
virtual void modify_constraints (const CosNotifyFilter::ConstraintIDSeq & del_list,
const CosNotifyFilter::ConstraintInfoSeq & modify_list);
virtual CosNotifyFilter::ConstraintInfoSeq * get_constraints (const CosNotifyFilter::ConstraintIDSeq & id_list);
virtual CosNotifyFilter::ConstraintInfoSeq * get_all_constraints (void);
virtual void remove_all_constraints (void);
virtual void destroy (void);
virtual CORBA::Boolean match (const CORBA::Any & filterable_data);
virtual CORBA::Boolean match_structured (const CosNotification::StructuredEvent & filterable_data);
virtual CORBA::Boolean match_typed (const CosNotification::PropertySeq & filterable_data);
virtual CosNotifyFilter::CallbackID attach_callback (CosNotifyComm::NotifySubscribe_ptr callback);
virtual void detach_callback (CosNotifyFilter::CallbackID callback);
virtual CosNotifyFilter::CallbackIDSeq * get_callbacks (void);
private:
/// Release this object.
virtual void release (void);
void add_constraints_i (const CosNotifyFilter::ConstraintInfoSeq& constraint_info_seq);
void add_constraint_i (const CosNotifyFilter::ConstraintInfo& constraint,
CosNotifyFilter::ConstraintID cnstr_id = 0);
TAO_Notify_Constraint_Expr*
add_constraint_i (CosNotifyFilter::ConstraintID cnstr_id);
void remove_all_constraints_i (void);
/// Lock to serialize access to data members.
TAO_SYNCH_MUTEX lock_;
/// Id generator for ConstraintInfo's.
CORBA::Long constraint_expr_ids_;
/// A list of the constraints stored in this filter.
typedef ACE_Hash_Map_Manager <CosNotifyFilter::ConstraintID,
TAO_Notify_Constraint_Expr*,
ACE_SYNCH_NULL_MUTEX>
CONSTRAINT_EXPR_LIST;
CONSTRAINT_EXPR_LIST constraint_expr_list_;
PortableServer::POA_var poa_;
TAO_Notify_Object::ID id_;
ACE_CString grammar_;
};
TAO_END_VERSIONED_NAMESPACE_DECL
#if defined(_MSC_VER)
#pragma warning(pop)
#endif /* _MSC_VER */
#include /**/ "ace/post.h"
#endif /* TAO_ETCL_FILTER_H */
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