public TestThread(KeyedObjectPool pool) 
{
           
            _pool = pool;
}

 public TestThread(KeyedObjectPool pool,
    int iter) 
{
            _pool = pool;
            _iter = iter;
}

 public TestThread(KeyedObjectPool pool,
    int iter,
    int delay) 
{
            _pool = pool;
            _iter = iter;
            _delay = delay;
}

 public boolean complete() 
{
            return _complete;
}

 public boolean failed() 
{
            return _failed;
}

 public  void run() 
{
            for(int i=0;i< _iter;i++) {
                String key = String.valueOf(_random.nextInt(3));
                try {
                    Thread.sleep((long)_random.nextInt(_delay));
                } catch(Exception e) {
                    // ignored
                }
                Object obj = null;
                try {
                    obj = _pool.borrowObject(key);
                } catch(Exception e) {
                    _failed = true;
                    _complete = true;
                    break;
                }
                try {
                    Thread.sleep((long)_random.nextInt(_delay));
                } catch(Exception e) {
                    // ignored
                }
                try {
                    _pool.returnObject(key,obj);
                } catch(Exception e) {
                    _failed = true;
                    _complete = true;
                    break;
                }
            }
            _complete = true;
}