public void displayConfig() {
try {
String value = store.read(ConfigUpdater.CONFIG, this);
System.out.printf("取出值 %s from %s\n", ConfigUpdater.CONFIG, value);
} catch (KeeperException e) {
e.printStackTrace();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public ConfigWatcher(String host) throws IOException, InterruptedException {
store = new ActiveKeyValueStore();
store.connect(host);
}