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package com.lwq.fast.log.trace.interceptor;

import com.lwq.fast.log.fastlogcore.constant.Constants;
import com.lwq.fast.log.fastlogcore.trace.TraceThreadLocal;
import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;

/**
 * @author 刘文强
 *
 * 支持feign调用时，trace放入header
 */
@Configuration
@Order(1)
public class TraceFeignInterceptor implements RequestInterceptor {
    @Override
    public void apply(RequestTemplate requestTemplate) {
        String traceId = TraceThreadLocal.get();
        requestTemplate.header(Constants.TRACE_ID,traceId);
    }
}