假設我有一個這樣的類:在這種情況下,同步語句如何工作?
public class Server {
public static void main(String[] args) {
Map<Integer, ServerThread> registry = Collections.synchronizedMap(new LinkedHashMap<Integer, ServerThread>());
...
while(true) {
Socket socket = serverSocket.accept();
ServerThread serverThread = new ServerThread(id, registry);
registry.put(id, serverThread);
}
}
}
然後:
public class ServerThread extends Thread {
private Map<Integer, ServerThread> registry;
private int id;
public ServerThread(int id, Map<Integer, ServerThread> registry) {
this.id = id;
this.registry = registry;
}
...
private void notify() {
synchronized(registry) {
for(ServerThread serverThread : registry.values()) {
serverThread.callSomePublicMethodOnThread();
}
}
}
}
我只是想確保,而我遍歷它registry
並未修改。使它成爲同步映射可以保證這種行爲嗎?或者我需要聲明。同步語句的行爲是否像我期望的那樣?
感謝
感謝的方法! (必填字符) – 2010-10-08 06:07:05