Pulsar Producers 例子

import java.util.concurrent.TimeUnit;
import org.apache.pulsar.client.api.Producer;
import org.apache.pulsar.client.api.PulsarClient;
import org.apache.pulsar.client.impl.schema.JSONSchema;

public class SendMsgTest {
    public static void main(String[] args){
        String url = "http://192.168.1.48:8080";
        try{
           // 第一步建立連接 
            PulsarClient client =PulsarClient.builder()
                    .serviceUrl(url)
                    .connectionTimeout(10,TimeUnit.SECONDS)
                    .build();
            //第二步創建生產者對象
            //指定發送數據格式(詳細查看Pulsar schemas)
            Producer<UserModel> producer=client.newProducer(JSONSchema.of(UserModel.class))                 
                    .topic("my-tenant/my-namespace/testschema-topic")
                    .sendTimeout(10,TimeUnit.SECONDS)
                    .producerName("senduser")
                    .create();

            UserModel userModel=new UserModel();
            userModel.setName("testmsg");
            userModel.setAge(21);
            producer.send(userModel);//同步發送  producer.sendAsync(userModel) 異步發送
            System.out.print("send ok");
            client.close();
        }catch(Exception e){
            e.printStackTrace();
        }
    }
}

public class UserModel {

private String name;

private int age;

public String getName() {
    return name;
}

public void setName(String name) {
    this.name = name;
}

public int getAge() {
    return age;
}

public void setAge(int age) {
    this.age = age;
}

}