成立单独的冀北技术监督项目

pqs-bpm/bpm-api/src/main/java/com/njcn/bpm/api/BpmProcessFeignClient.java

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+package com.njcn.bpm.api;
+
+import com.njcn.bpm.api.fallback.BpmProcessFeignClientFallbackFactory;
+import com.njcn.bpm.pojo.dto.BpmProcessInstanceCreateReqDTO;
+import com.njcn.common.pojo.constant.ServerInfo;
+import com.njcn.common.pojo.response.HttpResult;
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestParam;
+
+
+/**
+ * 流程实例 Api 接口
+ *
+ * @author 芋道源码
+ */
+@FeignClient(value = ServerInfo.SUPERVISION,path = "/process",fallbackFactory = BpmProcessFeignClientFallbackFactory.class)
+public interface BpmProcessFeignClient {
+
+    /**
+     *
+     * @param userId 用户编号
+     * @param reqDTO 创建信息
+     * @return 实例的编号
+     */
+    @PostMapping("/createProcessInstance")
+    HttpResult<String> createProcessInstance(@RequestParam("userId") String userId, @RequestBody BpmProcessInstanceCreateReqDTO reqDTO);
+
+}

pqs-bpm/bpm-api/src/main/java/com/njcn/bpm/api/fallback/BpmProcessFeignClientFallbackFactory.java

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+package com.njcn.bpm.api.fallback;
+
+import com.njcn.bpm.api.BpmProcessFeignClient;
+import com.njcn.bpm.pojo.dto.BpmProcessInstanceCreateReqDTO;
+import com.njcn.bpm.utils.BpmEnumUtil;
+import com.njcn.common.pojo.enums.response.CommonResponseEnum;
+import com.njcn.common.pojo.exception.BusinessException;
+import com.njcn.common.pojo.response.HttpResult;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Component;
+import feign.hystrix.FallbackFactory;
+
+/**
+ * @author denghuajun
+ * @version 1.0.0
+ * @date 2022/3/16
+ */
+@Slf4j
+@Component
+public class BpmProcessFeignClientFallbackFactory implements FallbackFactory<BpmProcessFeignClient> {
+    @Override
+    public BpmProcessFeignClient create(Throwable throwable) {
+        //判断抛出异常是否为解码器抛出的业务异常
+        Enum<?> exceptionEnum = CommonResponseEnum.SERVICE_FALLBACK;
+        if (throwable.getCause() instanceof BusinessException) {
+            BusinessException businessException = (BusinessException) throwable.getCause();
+            exceptionEnum = BpmEnumUtil.getExceptionEnum(businessException.getResult());
+        }
+        Enum<?> finalExceptionEnum = exceptionEnum;
+        return new BpmProcessFeignClient() {
+            @Override
+            public HttpResult<String> createProcessInstance(String userId, BpmProcessInstanceCreateReqDTO reqDTO) {
+                log.error("{}异常，降级处理，异常为：{}", "创建流程实例", throwable.toString());
+                throw new BusinessException(finalExceptionEnum);
+            }
+
+        };
+    }
+}