wlyy2.0/web-gateway/src/main/java/com/yihu/jw/controller/PatientController.java

package com.yihu.jw.controller;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import com.yihu.jw.fegin.PatientFegin;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.context.config.annotation.RefreshScope;
import org.springframework.cloud.sleuth.Tracer;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.context.annotation.SessionScope;

/**
 * Created by chenweida on 2017/5/10.
 */
@RestController
@RequestMapping("/rest/patient")
@Api(description = "患者")
public class PatientController {
    private Logger logger= LoggerFactory.getLogger(PatientController.class);
    @Autowired
    private PatientFegin patientFegin;

    @Autowired
    private Tracer tracer;

    @ApiOperation(value = "根据code查找患者")
    @GetMapping(value = "findByCode")
    //配置HystrixProperty 则调用的方法和fallback是同一个线程 否则就不是
    //@HystrixCommand(fallbackMethod = "findByCodeFallback",commandProperties = @HystrixProperty(name = "execution.isolation.strategy",value = "SEMAPHORE"))
//   @HystrixCommand(fallbackMethod = "findByCodeFallback" )
    @HystrixCommand(commandProperties = {
            @HystrixProperty(name = "execution.isolation.thread.timeoutInMilliseconds", value = "-1"),//超时时间
            @HystrixProperty(name = "execution.timeout.enabled", value = "false") })
    public String findByCode(
            @ApiParam(name = "code", value = "患者code", required = true) @RequestParam(value = "code", required = true) String code) {
        tracer.getCurrentSpan().logEvent("开始调用微服务查询患者");
        String text1 =patientFegin.findByCode(code);
        tracer.getCurrentSpan().logEvent("查询调用微服务找患者结束");
        return text1;
    }

//    /**
//     * 参数要一致 返回值类型也要一致
//     *
//     * @param code
//     * @return
//     */
//    public String findByCodeFallback(String code) {
//        return "启动断路器";
//    }
}