public abstract class AbstractStrategy {
    private IMoveableObject _moveableObject;

        private Status _state = Status.NotInit;

        protected int FieldWidth;
 
        protected int FieldHeight;
 
        public Status GetStatus() { return _state; }

        public void SetData(IMoveableObject moveableObject, int width, int
        height)
        {
            if (moveableObject == null)
            {
                _state = Status.NotInit;
                return;
            }
            _state = Status.InProgress;
            _moveableObject = moveableObject;
            FieldWidth = width;
            FieldHeight = height;
        }
 
        public void MakeStep()
        {
            if (_state != Status.InProgress)
            {
                return;
            }
            if (IsTargetDestinaion())
            {
                _state = Status.Finish;
                return;
            }
            MoveToTarget();
        }
  
        protected boolean MoveLeft() { return MoveTo(Direction.Left);}
     
        protected boolean MoveRight() { return MoveTo(Direction.Right);}
   
        protected boolean MoveUp() {return MoveTo(Direction.Up);}
       
        protected boolean MoveDown(){return MoveTo(Direction.Down);}
       
        protected ObjectParameters GetObjectParameters(){
            return _moveableObject.GetObjectPosition();
        }
        
        protected int GetStep()
        {
            if (_state != Status.InProgress)
            {
                return 0;
            }
            return _moveableObject.GetStep();
        }
      
        protected abstract void MoveToTarget();
       
        protected abstract boolean IsTargetDestinaion();
       
        private boolean MoveTo(Direction direction)
        {
            if (_state != Status.InProgress)
            {
                return false;
            }
            if (_moveableObject.CheckCanMove(direction))
            {
                _moveableObject.MoveObject(direction);
                return true;
            }
            return false;
        }

}