// $Id$

// ============================================================================
//
// = FILENAME
//    Criteria_Evaluator.cpp
//
// = DESCRIPTION
//    An Evaluator for the CosLifeCycle Criteria
//
// = AUTHOR
//    Michael Kircher (mk1@cs.wustl.edu)
//
// ============================================================================

#include "Criteria_Evaluator.h"
#include "ace/OS_NS_string.h"

ACE_RCSID(LifeCycle_Service, Criteria_Evaluator, "$Id$")

Criteria_Evaluator::Criteria_Evaluator (const CosLifeCycle::Criteria &criteria)
: criteria_ (criteria)
{
}

Criteria_Evaluator::~Criteria_Evaluator ()
{
}

LifeCycleService::Criteria_Evaluator::SeqNamedValuePair *
Criteria_Evaluator::getInitialization (ACE_ENV_SINGLE_ARG_DECL)
{
  LifeCycleService::Criteria_Evaluator::SeqNamedValuePair *sequence_ptr = 0;

  CORBA::Any *any_ptr =
    this->getCriteriaMember ("initialization");

  if (any_ptr == 0)
    ACE_THROW_RETURN (LifeCycleService::Criteria_Evaluator::NotAvailable
                         ("No initialization member found.\n"),
                      0);

  *any_ptr >>= sequence_ptr;

  return sequence_ptr;
}

char *
Criteria_Evaluator::getFilter (ACE_ENV_SINGLE_ARG_DECL)
{
  const char* string;
  CORBA::Any value;
  CORBA::Any_ptr any_ptr = this->getCriteriaMember ("filter");

  if (any_ptr == 0)
    ACE_THROW_RETURN (LifeCycleService::Criteria_Evaluator::NotAvailable
                        ("No filter member found.\n"),
                      0);
  *any_ptr >>= string;
  return CORBA::string_dup (string);
}

CORBA::Any *
Criteria_Evaluator::getCriteriaMember (const char *member_name)
{
  if (!ACE_OS::strcmp(member_name, "initialization")
      && !ACE_OS::strcmp(member_name, "filter")
      && !ACE_OS::strcmp(member_name, "logical location")
      && !ACE_OS::strcmp(member_name, "preferences"))
    return 0;

  for (u_int i = 0;
       i < criteria_.length();
       i++)
    if (ACE_OS::strcmp (member_name,
                        criteria_[i].name) == 0)
      {
        CORBA::Any_ptr value_ptr;

        // @@ We should use ACE_NEW_THROW_EX + ACE_CHECK_RETURN here.
        ACE_NEW_RETURN (value_ptr,
                        CORBA::Any(criteria_[i].value),
                        0);
        return value_ptr;
      }

  return 0;
}