を定義しました。 送信元端子とは、この中継端子にデータを送ってくる側の端子です。 送信先端子とは、この中継端子から送られるデータを受けとる側の端子です。 OhRelayPort に接続できる送信元端子は1つだけです。 OhRelayPort には複数の送信先端子を接続できます。 The OhRelayPort has a instance variable "_sender". "_sender" is used to store the sender which sends data packs to the current port. Member functions for
Connecting the current port with the port which sends data packs to the current port
Connecting the current port with the port which receives data packs from the current port
are defined. Only one port can be connected to the port for receiving data packs. More than one ports can be connected to the ports which sending data packs.