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// $Id$
#ifndef TAO_OFFER_ITERATORS_T_C
#define TAO_OFFER_ITERATORS_T_C
#include "Offer_Iterators_T.h"
ACE_RCSID(Trader, Offer_Iterators_T, "$Id$")
template <class MAP_LOCK_TYPE>
TAO_Register_Offer_Iterator<MAP_LOCK_TYPE>::
TAO_Register_Offer_Iterator (TAO_Offer_Database<MAP_LOCK_TYPE> &db,
const TAO_Property_Filter& pfilter)
: TAO_Offer_Iterator (pfilter),
db_ (db)
{
}
template <class MAP_LOCK_TYPE>
TAO_Register_Offer_Iterator<MAP_LOCK_TYPE>::
~TAO_Register_Offer_Iterator (void)
{
while (! this->offer_ids_.is_empty ())
{
CosTrading::OfferId offer_id = 0;
this->offer_ids_.dequeue_head (offer_id);
CORBA::string_free (offer_id);
}
}
template <class MAP_LOCK_TYPE> void
TAO_Register_Offer_Iterator<MAP_LOCK_TYPE>::
add_offer (CosTrading::OfferId id,
const CosTrading::Offer* /* offer */)
{
this->offer_ids_.enqueue_tail (id);
}
template <class MAP_LOCK_TYPE> CORBA::ULong
TAO_Register_Offer_Iterator<MAP_LOCK_TYPE>::
max_left (CORBA::Environment&)
ACE_THROW_SPEC ((CORBA::SystemException,
CosTrading::UnknownMaxLeft))
{
return this->offer_ids_.size ();
}
template <class MAP_LOCK_TYPE> CORBA::Boolean
TAO_Register_Offer_Iterator<MAP_LOCK_TYPE>::
next_n (CORBA::ULong n,
CosTrading::OfferSeq_out offers,
CORBA::Environment& ACE_TRY_ENV)
ACE_THROW_SPEC ((CORBA::SystemException))
{
CORBA::ULong ret_offers = 0;
CORBA::ULong max_possible_offers_in_sequence =
(n < this->offer_ids_.size ()) ? n : this->offer_ids_.size ();
ACE_NEW_THROW_EX (offers,
CosTrading::OfferSeq,
CORBA::NO_MEMORY ());
ACE_CHECK_RETURN (0);
offers->length (max_possible_offers_in_sequence);
// While there are entries left and we haven't filled <offers>
// with requested number.
while (! this->offer_ids_.is_empty ()
&& n > ret_offers)
{
// If offer is found, put it into the sequence.
// remove this id irrespective of whether the offer is found
// or not.
CosTrading::OfferId id;
this->offer_ids_.dequeue_head (id);
CosTrading::OfferId_var offerid_var (id);
CosTrading::Offer* offer = this->db_.lookup_offer (id, ACE_TRY_ENV);
ACE_CHECK_RETURN (0);
if (offer != 0)
this->pfilter_.filter_offer (offer,
offers[ret_offers++]);
}
// Reset the length to the correct value
offers->length (ret_offers);
return ACE_static_cast (CORBA::Boolean, ret_offers != 0);
}
#endif /* TAO_REGISTER_OFFER_ITERATOR_C */
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