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package bcexchanger.comm;

/**
 * 
 * This interface contains the methods which the states of the
 * communication state machine use to get needed functionality from
 * the parent
 * 
 * This interface is implemented by ExchangerCommImpl class.
 * 
 * @version 1.0 29.09.2005
 * 
 */
public interface ExchangerStateParent {

  /**
   * Current state setter
   * <p>
   * Sets the current state in the parent
   * 
   * @param state -
   *          state of communication machine
   */
  public void setState(ExchangerState state);

  /**
   * Listener getter
   * <p>
   * Returns the communication event listener which is stored in the
   * parent
   * 
   * @return communication event listener interface
   */
  public ExchangeListener getListener();

  /**
   * Communication state getter
   * <p>
   * Returns current state of the communication machine which is kept
   * in the parent
   * 
   * @return current state of the communication machine
   */
  public ExchangerState getState();

  /**
   * Returns "Business Card Exchanger Service" UUID
   * 
   * @return string containing UUID of the Bluetooth OBEX server
   *         connection
   */
  public String getUUID();

}