多线程异步处理示例

public class UserTrackTask {
 
private static Logger logger = LoggerFactory.getLogger(UserTrackTask.class);
 
private static AtomicBoolean init = new AtomicBoolean(false);
 
private static AtomicBoolean running = new AtomicBoolean(false);
 
private static ExecutorService executorService = Executors.newFixedThreadPool(1);
 
private static BlockingQueue<UserTrackModel> queue = new LinkedBlockingQueue<UserTrackModel>();
 
private static UserTrackService userTrackService;
 
private static void init(){
if(init.get()){
return;
}
synchronized (init) {
if(init.get()){
return;
}
if(userTrackService == null){
userTrackService = SpringContextUtil.getBean(UserTrackService.class);
}
if(!running.get()){
start();
}
init.set(true);
}
}
 
private static void start(){
if(running.get()){
return;
}
running.set(true);
executorService.execute(new Runnable() {
 
@Override
public void run() {
try {
while (running.get()) {
UserTrackModel track = null;
try {
track = queue.take();
if(track == null){
continue;
}
userTrackService.add(track);
} catch (Exception e) {
logger.error("add user track due to error",e);
}
}
} catch (Exception e) {
logger.error("proccess creditlog thread is exit!!!!");
}
}
});
}
 
public static void save(String uid,String openId,String domain,String url,long time){
UserTrackModel track = new UserTrackModel(uid,openId,domain,url,time);
boolean bool = offer(track);
if(!bool){
logger.error("put creditlog queue due to fail. createlog=[{},{},{},{},{}]",uid,openId,domain,url,time);
}
}
 
private static boolean offer(UserTrackModel track) {
if(!init.get()){
init();
}
return queue.offer(track);
}
}