opentelemetry-java-instrume.../instrumentation/rocketmq/rocketmq-client/rocketmq-client-4.8/library/README.md

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# Library Instrumentation for Apache RocketMQ remoting-based client 4.0.0+
Provides OpenTelemetry instrumentation for [Apache RocketMQ](https://rocketmq.apache.org/) remoting-based client.
## Quickstart
### Add the following dependencies to your project
Replace `OPENTELEMETRY_VERSION` with the [latest release](https://search.maven.org/search?q=g:io.opentelemetry.instrumentation%20AND%20a:opentelemetry-rocketmq-client-4.8).
For Maven, add the following to your `pom.xml` dependencies:
```xml
<dependencies>
<dependency>
<groupId>io.opentelemetry.instrumentation</groupId>
<artifactId>opentelemetry-rocketmq-client-4.8</artifactId>
<version>OPENTELEMETRY_VERSION</version>
</dependency>
</dependencies>
```
For Gradle, add the following to your dependencies:
```groovy
implementation("io.opentelemetry.instrumentation:opentelemetry-rocketmq-client-4.8:OPENTELEMETRY_VERSION")
```
### Usage
The instrumentation library provides the implementation of `SendMessageHook` and `ConsumeMessageHook` to provide OpenTelemetry-based spans and context propagation.
```java
RocketMqTelemetry rocketMqTelemetry;
void configure(OpenTelemetry openTelemetry, DefaultMQProducerImpl producer, DefaultMQPushConsumerImpl pushConsumer) {
rocketMqTelemetry = RocketMqTelemetry.create(openTelemetry);
// For producer.
producer.registerSendMessageHook(rocketMqTelemetry.newTracingSendMessageHook());
// For push consumer.
pushConsumer.registerConsumeMessageHook(rocketMqTelemetry.newTracingConsumeMessageHook());
}
```