diff options
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Notify/ETCL_Filter.h')
-rw-r--r-- | TAO/orbsvcs/orbsvcs/Notify/ETCL_Filter.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Notify/ETCL_Filter.h b/TAO/orbsvcs/orbsvcs/Notify/ETCL_Filter.h new file mode 100644 index 00000000000..a5014412d7e --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/Notify/ETCL_Filter.h @@ -0,0 +1,120 @@ +/* -*- 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 "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_ETCL_Filter + * + * @brief Implementation of CosNotifyFilter::Filter servant. + * + */ +class TAO_Notify_Serv_Export TAO_Notify_ETCL_Filter + : public POA_CosNotifyFilter::Filter +{ +public: + /// Constuctor + TAO_Notify_ETCL_Filter (void); + + /// Destructor + virtual ~TAO_Notify_ETCL_Filter (); + +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: + void add_constraints_i (const CosNotifyFilter::ConstraintInfoSeq& constraint_info_seq); + + void remove_all_constraints_i (void); + + struct TAO_Notify_Constraint_Expr + { + // = DESCRIPTION + // Structure for associating ConstraintInfo with an interpreter. + // + CosNotifyFilter::ConstraintExp constr_expr; + // Constraint Expression. + + TAO_Notify_Constraint_Interpreter interpreter; + // Constraint Interpreter. + }; + + /// 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_ETCL_Filter::TAO_Notify_Constraint_Expr*, + ACE_SYNCH_NULL_MUTEX> + CONSTRAINT_EXPR_LIST; + + CONSTRAINT_EXPR_LIST constraint_expr_list_; +}; + +TAO_END_VERSIONED_NAMESPACE_DECL + +#if defined(_MSC_VER) +#pragma warning(pop) +#endif /* _MSC_VER */ + +#include /**/ "ace/post.h" +#endif /* TAO_ETCL_FILTER_H */ |