tencent cloud

<dependencies>
    <!-- 其他依赖 -->
    <dependency>
        <groupId>io.opentelemetry</groupId>
        <artifactId>opentelemetry-api</artifactId>
    </dependency>
</dependencies>
<dependencyManagement>
    <dependencies>
        <dependency>
            <groupId>io.opentelemetry</groupId>
            <artifactId>opentelemetry-bom</artifactId>
            <version>1.9.0</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

import io.opentelemetry.api.GlobalOpenTelemetry;
import io.opentelemetry.api.OpenTelemetry;
import io.opentelemetry.api.trace.Tracer;

public class AcquireTracerDemo {
    public void acquireTracer() {
        // scope 用于定义埋点范围，一般情况下可以直接使用类名，关于Scope的更多信息，请参考 OpenTelemetry 官方文档
        String scope = this.getClass().getName();
        OpenTelemetry openTelemetry = GlobalOpenTelemetry.get();
        Tracer tracer = openTelemetry.getTracer(scope);
    }
}

import io.opentelemetry.api.trace.Span;
import io.opentelemetry.api.trace.StatusCode;
import io.opentelemetry.api.trace.Tracer;
import io.opentelemetry.context.Scope;

// Trace 对象可以在业务方法中获取，或者通过参数传入业务方法
public void doTask(Tracer tracer) {
    // 创建一个 Span
    Span span = tracer.spanBuilder("doTask").startSpan();
    // 在 Span 中添加一些 Attributes
    span.setAttribute("RequestId", "5fc92ff1-8ca8-45f4-8013-24b4b5257666");
    // 将此 Span 设置为当前的Span
    try (Scope scope = span.makeCurrent()) {
        doSubTask1();
        doSubTask2();
    } catch (Throwable t) {
        // 处理异常，异常信息将记录到 Span 的对应事件中
        span.recordException(t);
        span.setStatus(StatusCode.ERROR);
        throw t;
    } finally {
        // 结束 Span
        span.end();
    }
}