tencent cloud

<dependencies>
    <!-- Other dependencies -->
    <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() {
        // The scope is used for defining the Event Tracking range. In most cases, the class name can be directly used. For more information about Scope, see the OpenTelemetry official documentation.
        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;

// The Trace object can be obtained within business methods or passed into the business method as a parameter.
public void doTask(Tracer tracer) {
    // Create a Span.
    Span span = tracer.spanBuilder("doTask").startSpan();
    // Add some Attributes to the Span.
    span.setAttribute("RequestId", "5fc92ff1-8ca8-45f4-8013-24b4b5257666");
    // Set this Span as the current Span
    try (Scope scope = span.makeCurrent()) {
        doSubTask1();
        doSubTask2();
    } catch (Throwable t) {
        // Handle the exception. The exception information will be recorded in the corresponding event of the Span.
        span.recordException(t);
        span.setStatus(StatusCode.ERROR);
        throw t;
    } finally {
        // End the Span
        span.end();
    }
}