线程处理的一个实际例子:
@Service
public class SynAsynThreadTestServiceImpl implements SynAsynThreadTestService {
private static final Logger logger = Logger.getLogger(SynAsynThreadTestServiceImpl.class); private static int nThreads = Runtime.getRuntime().availableProcessors() * 2 + 1; @Autowired
private ProdMapper prodMapper; private static ExecutorService executors = Executors.newFixedThreadPool(nThreads, new ThreadFactory() { private final String threadNamePrefix = "si_query_task_"; private final AtomicInteger count = new AtomicInteger(1); @Override
public Thread newThread(Runnable r) {
Thread t = new Thread(Thread.currentThread().getThreadGroup(), r, threadNamePrefix + count.getAndIncrement());
t.setDaemon(true);
return t;
}
}); @Override
public ProdSerDTO searchProd(String word) {
String url = "https://suggest.taobao.com/sug?code=utf-8&q=" + URLencord.getURLEncoderString(word) + "&callback=cb";
String response = HttpRequestUtils.getRequest(url, "0");
LoggerUtil.info(logger, "请求出参:{0}", response);
if (response != null) {
ProdSerDTO dto = JSON.parseObject(response, ProdSerDTO.class);
for (int i = 0; i < dto.getResult().size(); i++) {
SaveInfoProcessor saveInfoProcessor=new SaveInfoProcessor();
saveInfoProcessor.setProdMapper(prodMapper);
ProdDO pDo=new ProdDO();
List<Object> list =JSONArray.parseArray( dto.getResult().get(i));
pDo.setPname(list.get(0).toString());
pDo.setPnum(list.get(1).toString());
saveInfoProcessor.setProdDo(pDo);
LoggerUtil.info(logger, "i:{0},参数:{1}",i, pDo);
executors.submit(saveInfoProcessor); }
return dto;
}
return null;
} }
public class SaveInfoProcessor implements Runnable{
private static final Logger logger =Logger.getLogger(SaveInfoProcessor.class); private ProdDO prodDo; private ProdMapper prodMapper; public ProdDO getProdDo() {
return prodDo;
} public void setProdDo(ProdDO prodDo) {
this.prodDo = prodDo;
} public ProdMapper getProdMapper() {
return prodMapper;
} public void setProdMapper(ProdMapper prodMapper) {
this.prodMapper = prodMapper;
} @Override
public void run() {
LoggerUtil.info(logger, "线程:{0},存入:{1}",Thread.currentThread().getName(), prodDo);
prodMapper.insert(prodDo); } }
附项目地址:https://gitee.com/zyf6303/flowexample
注:项目是一个springboot测试项目,一直在更新完善中,希望大神们指点一二