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// $Id$
#include "Policies.h"
const char* TAO_Policies::POLICY_NAMES[] =
{
"exact_type_match",
"hop_count",
"link_follow_rule",
"match_card",
"return_card",
"search_card",
"starting_trader",
"use_dynamic_properties",
"use_modifiable_properties",
"use_proxy_offers"
};
TAO_Policies::TAO_Policies (TAO_Trader_Base& trader,
CosTrading::PolicySeq& policies,
CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::IllegalPolicyName,
CosTrading::DuplicatePolicyName)
: trader_ (trader),
policies_ (USE_PROXY_OFFERS + 1)
{
for (int i = 0; i <= USE_PROXY_OFFERS; i++)
this->policies_[i] = 0;
for (int j = 0; j < policies.length (); j++)
{
const char* pol_name = (const char*) policies[j].name;
int length = (pol_name == 0) ? 0 : ACE_OS::strlen (pol_name),
index = -1;
if (length < ACE_OS::strlen (POLICY_NAMES[HOP_COUNT]))
TAO_THROW (CosTrading::Lookup::IllegalPolicyName (pol_name))
switch (pol_name[0])
{
case 'e':
index = EXACT_TYPE_MATCH;
break;
case 'h':
index = HOP_COUNT;
break;
case 'l':
index = LINK_FOLLOW_RULE;
break;
case 'm':
index = MATCH_CARD;
break;
case 'r':
index = RETURN_CARD;
break;
case 's':
index = SEARCH_CARD;
break;
case 'u':
if (pol_name[4] == 'd')
index = USE_DYNAMIC_PROPERTIES;
if (pol_name[4] == 'm')
index = USE_MODIFIABLE_PROPERTIES;
if (pol_name[4] == 'p')
index = USE_PROXY_OFFERS;
}
// Match the name of the policy, and insert its value into the
// vector.
if (index == -1 || ::strcmp (POLICY_NAMES[index], pol_name) != 0)
TAO_THROW (CosTrading::Lookup::IllegalPolicyName (pol_name));
else
{
if (this->policies_[index] != 0)
TAO_THROW (CosTrading::DuplicatePolicyName (pol_name));
else
this->policies_[index] = &(policies[j]);
}
}
}
CORBA::ULong
TAO_Policies::ulong_prop (POLICY_TYPE pol,
CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
CORBA::ULong return_value = 0, max_value;
TAO_Import_Attributes_Impl& import_attrs =
this->trader_.import_attributes ();
// Discover the default values for each of the possible cardinality
// policies.
switch (pol)
{
case SEARCH_CARD:
return_value = import_attrs.def_search_card ();
max_value = import_attrs.max_search_card ();
break;
case MATCH_CARD:
return_value = import_attrs.def_match_card ();
max_value = import_attrs.max_match_card ();
break;
case RETURN_CARD:
return_value = import_attrs.def_return_card ();
max_value = import_attrs.max_return_card ();
break;
}
if (this->policies_[pol] != 0)
{
// Extract the desired policy value.
CosTrading::Policy* policy = this->policies_[pol];
CosTrading::PolicyValue& value = policy->value;
CORBA::TypeCode* type = value.type ();
if (!type->equal (CORBA::_tc_ulong))
TAO_THROW (CosTrading::Lookup::PolicyTypeMismatch (*policy));
else
value >>= return_value;
if (max_value < return_value)
return_value = max_value;
else
this->limits_.push_back ((char *) POLICY_NAMES[pol]);
}
return return_value;
}
CORBA::ULong
TAO_Policies::search_card (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return this->ulong_prop (SEARCH_CARD, _env);
}
CORBA::ULong
TAO_Policies::match_card (CORBA::Environment& env_)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return this->ulong_prop (MATCH_CARD, _env);
}
CORBA::ULong
TAO_Policies::return_card (CORBA::Environment& env_)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return this->ulong_prop (RETURN_CARD, _env);
}
CORBA::Boolean
TAO_Policies::boolean_prop (POLICY_TYPE pol,
CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
CORBA::Boolean def_value = (CORBA::Boolean) 1,
return_value = (CORBA::Boolean) 1;
TAO_Support_Attributes_Impl& support_attrs =
this->trader_.support_attributes ();
switch (pol)
{
case USE_MODIFIABLE_PROPERTIES:
def_value = support_attrs.supports_modifiable_properties ();
break;
case USE_DYNAMIC_PROPERTIES:
def_value = support_attrs.supports_dynamic_properties ();
break;
case USE_PROXY_OFFERS:
def_value = support_attrs.supports_proxy_offers ();
break;
}
if (this->policies_[pol] != 0)
{
CosTrading::Policy* policy = this->policies_[pol];
CosTrading::PolicyValue& value = policy->value;
CORBA::TypeCode* type = value.type ();
if (!type->equal (CORBA::_tc_boolean))
TAO_THROW (CosTrading::Lookup::PolicyTypeMismatch (*policy));
else
value >>= to_boolean (return_value);
if (def_value == (CORBA::Boolean) 0)
return_value = (CORBA::Boolean) 0;
else
this->limits_.push_back ((char *) POLICY_NAMES[pol]);
}
return return_value;
}
CORBA::Boolean
TAO_Policies::use_modifiable_properties (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return this->boolean_prop (USE_MODIFIABLE_PROPERTIES, _env);
}
CORBA::Boolean
TAO_Policies::use_dynamic_properties (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return this->boolean_prop (USE_DYNAMIC_PROPERTIES, _env);
}
CORBA::Boolean
TAO_Policies::use_proxy_offers (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return this->boolean_prop (USE_PROXY_OFFERS, _env);
}
CORBA::Boolean
TAO_Policies::exact_type_match (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return this->boolean_prop (EXACT_TYPE_MATCH, _env);
}
CosTrading::TraderName*
TAO_Policies::starting_trader (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch,
CosTrading::Lookup::InvalidPolicyValue)
{
return 0;
}
CosTrading::FollowOption
TAO_Policies::link_follow_rule (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch,
CosTrading::Lookup::InvalidPolicyValue)
{
return CosTrading::local_only;
}
CORBA::ULong
TAO_Policies::hop_count (CORBA::Environment& _env)
TAO_THROW_SPEC (CosTrading::Lookup::PolicyTypeMismatch)
{
return (CORBA::ULong) 0;
}
CosTrading::PolicyNameSeq*
TAO_Policies::limits_applied (void)
{
int i = 0;
CORBA::ULong size = this->limits_.size ();
CosTrading::PolicyName* temp = CosTrading::PolicyNameSeq::allocbuf (size);
for (POL_QUEUE::iterator p_iter = this->limits_.begin();
p_iter != this->limits_.end ();
p_iter++)
temp[i++] = CORBA::string_dup (*p_iter);
return new CosTrading::PolicyNameSeq (i, i, temp, 1);
}
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