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author | coryan <coryan@ae88bc3d-4319-0410-8dbf-d08b4c9d3795> | 1999-02-03 18:19:27 +0000 |
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committer | coryan <coryan@ae88bc3d-4319-0410-8dbf-d08b4c9d3795> | 1999-02-03 18:19:27 +0000 |
commit | a2da0587be1d76e612f1a43113a7e8d77e784b85 (patch) | |
tree | c26f1e51e3718b270aca17104e05c988d8c494f8 /TAO/orbsvcs/orbsvcs/Event/EC_Disjunction_Filter.h | |
parent | ccee081307ff3b8b86764c3091543864025dace6 (diff) | |
download | ATCD-a2da0587be1d76e612f1a43113a7e8d77e784b85.tar.gz |
ChangeLogTag:Wed Feb 3 12:17:02 1999 Carlos O'Ryan <coryan@cs.wustl.edu>
Diffstat (limited to 'TAO/orbsvcs/orbsvcs/Event/EC_Disjunction_Filter.h')
-rw-r--r-- | TAO/orbsvcs/orbsvcs/Event/EC_Disjunction_Filter.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/TAO/orbsvcs/orbsvcs/Event/EC_Disjunction_Filter.h b/TAO/orbsvcs/orbsvcs/Event/EC_Disjunction_Filter.h new file mode 100644 index 00000000000..adf973f29e3 --- /dev/null +++ b/TAO/orbsvcs/orbsvcs/Event/EC_Disjunction_Filter.h @@ -0,0 +1,102 @@ +/* -*- C++ -*- */ +// $Id$ +// +// ============================================================================ +// +// = LIBRARY +// ORBSVCS Real-time Event Channel +// +// = FILENAME +// EC_Disjunction_Filter +// +// = AUTHOR +// Carlos O'Ryan (coryan@cs.wustl.edu) +// +// = DESCRIPTION +// A per-consumer filter that accepts events from a set of +// children. +// +// = CREDITS +// Based on previous work by Tim Harrison (harrison@cs.wustl.edu) +// and other members of the DOC group. +// More details can be found in: +// http://www.cs.wustl.edu/~schmidt/oopsla.ps.gz +// http://www.cs.wustl.edu/~schmidt/JSAC-98.ps.gz +// +// +// ============================================================================ + +#ifndef TAO_EC_DISJUNCTION_FILTER_H +#define TAO_EC_DISJUNCTION_FILTER_H + +#include "EC_Filter.h" + +#if !defined (ACE_LACKS_PRAGMA_ONCE) +# pragma once +#endif /* ACE_LACKS_PRAGMA_ONCE */ + +class TAO_EC_Disjunction_Filter : public TAO_EC_Filter +{ + // = TITLE + // The disjunction filter. + // + // = DESCRIPTION + // This filter has a set of children (fixed at creation time), if + // any of the children accepts an event then it also does. + // + // = MEMORY MANAGMENT + // It assumes ownership of the children. + // +public: + TAO_EC_Disjunction_Filter (TAO_EC_Filter* children[], + size_t n); + // Constructor. It assumes ownership of both the array and the + // children. + + virtual ~TAO_EC_Disjunction_Filter (void); + // Destructor + + // = The TAO_EC_Filter methods, please check the documentation in + // TAO_EC_Filter. + virtual int filter (const RtecEventComm::EventSet& event, + TAO_EC_QOS_Info& qos_info, + CORBA::Environment& env); + virtual int filter_nocopy (RtecEventComm::EventSet& event, + TAO_EC_QOS_Info& qos_info, + CORBA::Environment& env); + virtual void push (const RtecEventComm::EventSet& event, + TAO_EC_QOS_Info& qos_info, + CORBA::Environment& env); + virtual void push_nocopy (RtecEventComm::EventSet& event, + TAO_EC_QOS_Info& qos_info, + CORBA::Environment& env); + virtual void clear (void); + virtual CORBA::ULong max_event_size (void) const; + virtual void event_ids (TAO_EC_Filter::Headers& headers); + + typedef TAO_EC_Filter* value_type; + typedef TAO_EC_Filter* const const_value_type; + typedef const_value_type* ChildrenIterator; + ChildrenIterator begin (void) const; + ChildrenIterator end (void) const; + // STL-like iterators... + +private: + ACE_UNIMPLEMENTED_FUNC (TAO_EC_Disjunction_Filter + (const TAO_EC_Disjunction_Filter&)) + ACE_UNIMPLEMENTED_FUNC (TAO_EC_Disjunction_Filter& operator= + (const TAO_EC_Disjunction_Filter&)) + +private: + TAO_EC_Filter** children_; + // The children + + size_t n_; + // The number of children. +}; + +#if defined (__ACE_INLINE__) +#include "EC_Disjunction_Filter.i" +#endif /* __ACE_INLINE__ */ + +#endif /* TAO_EC_DISJUNCTION_FILTER_H */ |