/**
* 获取RMI接口状态
*
* @return "0":服务正常,"1": 连接报错,"2":连接超时
*/
@Override
public String getRMIJkzt() {
final ExecutorService es = Executors.newFixedThreadPool(1);
Callable<String> callable = new Callable<String>() {//使用Callable接口作为构造参数
@Override
public String call() throws Exception {//真正的任务在这里执行,这里的返回值类型为String,可以为任意类型
URL url = new URL("rmi://192.168.20.188:1098/ht");
InputStream in = url.openStream();
in.close();
return "0";
}
};
try {
Future future = es.submit(callable);
String value = null;
try {
value = future.get(5000, TimeUnit.MILLISECONDS).toString();//取得结果,同时设置超时执行时间为5秒。同样可以用future.get(),不设置执行超时时间取得结果
return "0";
} catch (ExecutionException e) {
return "1";
} catch (TimeoutException e) {
return "2";
}
} catch (InterruptedException e) {
return "1";
}
}
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java测试网络连接是否成功并设置超时时间