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/* -*- C++ -*- */
// ============================================================================
// $Id$
//
// = LIBRARY
// orbsvcs
//
// = FILENAME
// Query_Only_Offer_Iterator.h
//
// = AUTHOR
// Marina Spivak <marina@cs.wustl.edu>
// Seth Widoff <sbw1@cs.wustl.edu>
//
// ============================================================================
#ifndef TAO_QUERY_ONLY_OFFER_ITERATOR_H
#define TAO_QUERY_ONLY_OFFER_ITERATOR_H
#include "ace/Containers.h"
#include "Offer_Iterator.h"
class TAO_ORBSVCS_Export TAO_Query_Only_Offer_Iterator
: public TAO_Offer_Iterator
// = TITLE
// An implementation of the CosTrading::OfferIterator IDL
// interface that takes advantage of the fact that the trader is
// Query Only, and therefore its service offers are not being
// changed or removed.
//
// = DESCRIPTION
// The iterator stores pointers to Offers to be iterated over,
// and later accesses the Offers directly through the pointers.
//
{
public:
// = Initialization and termination methods.
TAO_Query_Only_Offer_Iterator (const TAO_Property_Filter& pfilter);
virtual ~TAO_Query_Only_Offer_Iterator (void);
virtual CORBA::Boolean next_n (CORBA::ULong n,
CosTrading::OfferSeq_out offers,
CORBA::Environment& _env)
TAO_THROW_SPEC ((CORBA::SystemException));
// Deposit at maximum n offers into the return sequence and return 1,
// or return 0 if the iterator is done and no offers are returned.
virtual CORBA::ULong max_left (CORBA::Environment& _env)
TAO_THROW_SPEC ((CORBA::SystemException,
CosTrading::UnknownMaxLeft));
// Return the number of items left in the iterator.
void add_offer (CosTrading::OfferId offer_id,
CosTrading::Offer* offer);
// Add an offer the iterator should iterate over.
private:
ACE_Unbounded_Queue <CosTrading::Offer *> offers_;
// Structure that stores pointers to offers
// to iterate over.
};
#endif /* TAO_QUERY_ONLY_OFFER_ITERATOR_H */
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