java防高并发请求拦截器

import com.alpha.redis.service.RedisService;
import com.alpha.web.config.RequestInterceptor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
 * 并发拦截器
 * @author hui66
 *
 */
@Service
public class ConcurrenceInterceptor extends RequestInterceptor {


    @Autowired
    private RedisService redisService;


    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
            throws Exception {
        return beginControlErupt(request, response);

    }
    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
            ModelAndView modelAndView) throws Exception {
        endControlErupt(request);

    }
    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
            throws Exception {
        endControlErupt(request);

    }

    public   void endControlErupt(HttpServletRequest request) {
        String uri = request.getRequestURI();
        uri = uri.replace("//", "/");
        String autoKey = "currence";
        if(SessionInterceptor.getCurrentCustomer()!=null) {
            if(uri.contains("/ptn")) {
                String userKey = request.getParameter("openId");
                if(userKey == null) {
                    userKey = request.getParameter("phone");
                }
                if(userKey!=null) {
                    autoKey = uri+":"+userKey;
                }else {
                    return ;
                }
            }else {
                autoKey = uri+":"+SessionInterceptor.getCurrentCustomer().getUserId();
            }
        }else if(SessionInterceptor.getSysUser()!=null){
            autoKey =  uri+":"+SessionInterceptor.getSysUser().getId();
        }
        endControlErupt(autoKey,uri);
    }
    public  boolean beginControlErupt(HttpServletRequest request,HttpServletResponse response) {
        String uri = request.getRequestURI();
        if(uri.contains("/upload")) {
            return true;
        }
        String key = uri;
        key = key.replace("//", "/");
        String autoKey =  "currence";
        if(SessionInterceptor.getCurrentCustomer()!=null) {
            if(uri.contains("/ptn")) {
                String userKey = request.getParameter("openId");
                if(userKey == null) {
                    userKey = request.getParameter("phone");
                }
                if(userKey!=null) {
                    autoKey = key+":"+userKey;
                }else {
                    return true;
                }

            }else {
                autoKey = key+":"+SessionInterceptor.getCurrentCustomer().getUserId();
            }
        }else if(SessionInterceptor.getSysUser()!=null){
            autoKey =  key+":"+SessionInterceptor.getSysUser().getId();
        }
        return beginControlErupt(autoKey,uri,response);
    }
    @Override
    public int getOrder() {
        return 3;
    }

    @Override
    public String getPathPatterns() {
        return "/**";
    }
    
}