/*
 * AtomDescriptor.cpp
 *
 *  Created on: Feb 5, 2010
 *      Author: crueger
 */

#include "AtomDescriptor.hpp"

#include "World.hpp"

#include <boost/bind.hpp>

using namespace std;

typedef map<int,atom*> atoms_t;
typedef atoms_t::iterator atoms_iter_t;

AtomDescriptor::AtomDescriptor()
{
}

AtomDescriptor::~AtomDescriptor()
{
}


atoms_t& AtomDescriptor::getAtoms(){
  return World::get()->atoms;
}

AtomPredicateDescriptor::AtomPredicateDescriptor()
{
}

AtomPredicateDescriptor::~AtomPredicateDescriptor()
{
}

atom* AtomPredicateDescriptor::find() {
  atoms_t atoms = getAtoms();
  atoms_iter_t res = find_if(atoms.begin(),atoms.end(),boost::bind(&AtomPredicateDescriptor::predicate,this,_1));
  return (res!=atoms.end())?((*res).second):0;
}

vector<atom*> AtomPredicateDescriptor::findAll() {
  vector<atom*> res;
  atoms_t atoms = getAtoms();
  atoms_iter_t iter;
  for(iter=atoms.begin();iter!=atoms.end();++iter) {
    if(predicate(*iter))
      res.push_back((*iter).second);
  }
}