/**
* Copyright (c) 2005-2012 https://github.com/zhangkaitao
*
* Licensed under the Apache License, Version 2.0 (the "License");
*/
package com.sishuok.chapter3.web.listener;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.context.request.async.DeferredResult;
import org.springframework.web.context.request.async.WebAsyncTask;
import java.util.concurrent.Callable;
/**
*
* 测试时开启springmvc-config.xml中的mvc:deferred-result-interceptors
*
* <p>User: Zhang Kaitao
* <p>Date: 13-7-18 下午9:16
* <p>Version: 1.0
*/
@Controller
public class ListenerController {
@RequestMapping("/listener1")
@ResponseBody
public DeferredResult<String> listener1() {
final DeferredResult<String> result = new DeferredResult<String>();
result.onTimeout(new Runnable() {
@Override
public void run() {
System.out.println("===异步任务超时了");
}
});
result.onCompletion(new Runnable() {
@Override
public void run() {
System.out.println("===异步任务完成了");
}
});
new Thread(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(2 * 1000L);
} catch (InterruptedException e) {
}
System.out.println("设置DeferredResult的成功时结果");
result.setResult("success");
}
}).start();
return result;
}
@RequestMapping("/listener2")
@ResponseBody
public DeferredResult<String> listener2() {
final DeferredResult<String> result = new DeferredResult<String>();
result.onTimeout(new Runnable() {
@Override
public void run() {
System.out.println("===异步任务超时了");
result.setErrorResult("error");
}
});
result.onCompletion(new Runnable() {
@Override
public void run() {
System.out.println("===异步任务完成了");
}
});
new Thread(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(31 * 1000L);
} catch (InterruptedException e) {
}
System.out.println("设置DeferredResult的成功时结果（将发生在异步任务完成后执行，因为超时了，结果无效）");
result.setResult("success");
}
}).start();
return result;
}
@RequestMapping("/listener3")
@ResponseBody
public WebAsyncTask<String> listener3() {
long timeout = 10L * 1000; //自定义超时时间 10秒
final WebAsyncTask webAsyncTask = new WebAsyncTask(timeout, new Callable() {
@Override
public String call() throws Exception {
Thread.sleep(2L * 1000);
return "success";
}
});
webAsyncTask.onTimeout(new Callable() {
@Override
public Object call() throws Exception {
System.out.println("====异步任务超时了");
return "error";
}
});
webAsyncTask.onCompletion(new Runnable() {
@Override
public void run() {
System.out.println("===异步任务完成了");
}
});
return webAsyncTask;
}
@RequestMapping("/listener4")
@ResponseBody
public WebAsyncTask<String> listener4() {
long timeout = 10L * 1000; //自定义超时时间 10秒
final WebAsyncTask webAsyncTask = new WebAsyncTask(timeout, new Callable() {
@Override
public String call() throws Exception {
Thread.sleep(20L * 1000);
return "success";
}
});
webAsyncTask.onTimeout(new Callable() {
@Override
public Object call() throws Exception {
System.out.println("====异步任务超时了");
return "error";
}
});
webAsyncTask.onCompletion(new Runnable() {
@Override
public void run() {
System.out.println("===异步任务完成了");
}
});
return webAsyncTask;
}
}