// consumer.cc
// Kenneth J. Goldman 12/26/94
// T. Paul McCartney 12/30/96 (converted)
//
// This module has a single writable integer presentation variable.
// Whenever the value changes, it is printed to standard output.
// The module quits if the value goes negative.

#include <iostream.h>
#include "PG.hh"

static int done = 0;


class consumerReact : public PGreactor {
public:
  virtual void react(PGvariable& v) {
    PGint& i = (PGint&)v;
    if (i < 0)
      done = 1;
    else
      cout << i << endl;
  };
};


int
main()
{
  PGint c = 0;
  consumerReact r;

  PG::initialize("CONSUMER");
  c.publish("c", PG::WRITE);
  c.setReactor(&r);

  while (!done)
    PG::sleep(0, 200);

  PG::terminate();
}