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// $Id$
#include "Offer_Filter.h"
TAO_Offer_Filter::
TAO_Offer_Filter (SERVICE_TYPE_REPOS::TypeStruct* type_struct,
TAO_Policies& policies,
CORBA::Environment& _env)
: search_card_ (policies.search_card (_env)),
match_card_ (policies.match_card (_env)),
dp_ (policies.use_dynamic_properties (_env)),
mod_ (policies.use_modifiable_properties (_env))
{
SERVICE_TYPE_REPOS::PropStructSeq& prop_seq = type_struct->props;
// Take note of modifiable properties in the type_struct
for (int i = prop_seq.length () - 1; i >= 0; i--)
{
SERVICE_TYPE_REPOS::PropertyMode mode = prop_seq[i].mode;
if (mode != SERVICE_TYPE_REPOS::PROP_MANDATORY_READONLY ||
mode != SERVICE_TYPE_REPOS::PROP_READONLY)
this->mod_props_.insert (string (prop_seq[i].name));
}
}
CORBA::Boolean
TAO_Offer_Filter::ok_to_consider (CosTrading::Offer* offer)
{
CORBA::Boolean return_value = 1;
TAO_Property_Evaluator prop_eval (*offer);
// If we should screen offers, determine if this offer is unworthy
// for consideration.
if (! (this->mod_ && this->dp_))
{
for (int i = offer->properties.length () - 1;
i >= 0 && return_value;
i--)
{
// Winnow away the unwanted offers with modifiable or
// dynamic properties.
if (! this->mod_)
{
// Determine if this property name is found in the set
// of modifiable properties for the type being considered.
string prop_name (offer->properties[i].name);
if (this->mod_props_.find (prop_name) !=
this->mod_props_.end ())
return_value = 0;
}
if (! this->dp_ && return_value)
{
// Determine if this property is dynamic.
if (prop_eval.is_dynamic_property (i))
return_value = 0;
}
if (return_value == 0)
break;
}
}
// If we're good to go, consider this offer considered and decrement
// the search cardinality counter.
if (return_value)
this->search_card_--;
return return_value;
}
CORBA::Boolean
TAO_Offer_Filter::ok_to_consider_more (void)
{
return this->search_card_ > 0 && this->match_card_ > 0;
}
void
TAO_Offer_Filter::matched_offer (void)
{
this->match_card_--;
}
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