/*
    $Id: predicate.h 1107 2007-04-16 23:59:13Z rvernica $

    Copyright (C) 2007 by The Regents of the University of California

    Redistribution of this file is permitted under the terms of the
    GNU Public License (GPL).

    Date: 01/14/2006
    Author: Rares Vernica <rvernica@ics.uci.edu>
*/

#ifndef _predicate_h_
#define _predicate_h_

#include <iostream>

#include "simfunc/simdist.h"

using namespace std;

class Predicate 
{
public:
  string query;
  SimType dist;
  unsigned freq;

  Predicate(): query(""), dist(SIM_TYPE_MIN) {}
  Predicate(const string &q, SimType d): query(q), dist(d) {}

  friend ostream& operator<<(ostream &out, const Predicate &p);
  friend istream& operator>>(istream &in, Predicate &p);
};

typedef vector<Predicate> VectPredicate;
typedef VectPredicate::iterator VectPredicateIt;

istream& operator>>(istream &in, VectPredicate &v);
ostream& operator<<(ostream &out, const VectPredicate &v);

#endif