我想通過套接字發送一個對象。如何通過套接字發送列表java
它的對象網
public class Net {
public List<NetObject> objects; //= new ArrayList<NetObject>(); // place + transition
public List<ArcObject> arcs; // = new ArrayList<ArcObject>(); // arcs - objects
}
這裏是ArcObject類
public class ArcObject implements Observer {
public NetObject o1;
public NetObject o2;
public String parameter;
}
,這裏是NetObject類
public class NetObject implements Observer{
public int index; // index of object
public int type; // type - place=1, transition=2 ...
public int x; // position
public int y;
public List<Integer> tokens ; //list of tokens
//public List<ArcObject> arcs = new ArrayList<ArcObject>();
public String guard;
// etc...
}
然後我連接到服務器
String computername=InetAddress.getLocalHost().getHostName();
kkSocket = new Socket(computername, 4444);
OutputStream outputStream = null ;
ObjectOutputStream out = null ;
outputStream = kkSocket.getOutputStream();
out = new ObjectOutputStream(outputStream);
,然後我試着通過插座
out.writeObject(petriNet); //petriNet object is from class Net
發送對象,但客戶給了我一個例外
java.io.NotSerializableException: petri.ArcObject
但ArcObject類着實現Serializable,因爲它已經實現了觀測,所以我怎麼應該通過包含兩個列表的套接字發送對象。 有什麼想法?