Polish #541, update rocketmq-examples with poll consumer

spring-cloud-alibaba-examples/rocketmq-example/rocketmq-consume-example/src/main/java/org/springframework/cloud/alibaba/cloud/examples/RocketMQConsumerApplication.java

@@ -1,10 +1,15 @@
 package org.springframework.cloud.alibaba.cloud.examples;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.CommandLineRunner;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.cloud.alibaba.cloud.examples.RocketMQConsumerApplication.MySink;
 import org.springframework.cloud.stream.annotation.EnableBinding;
 import org.springframework.cloud.stream.annotation.Input;
+import org.springframework.cloud.stream.binder.PollableMessageSource;
+import org.springframework.context.annotation.Bean;
+import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.messaging.SubscribableChannel;
 
 /**
@@ -27,10 +32,36 @@ public class RocketMQConsumerApplication {
 
 		@Input("input4")
 		SubscribableChannel input4();
+
+		@Input("input5")
+		PollableMessageSource input5();
 	}
 
 	public static void main(String[] args) {
 		SpringApplication.run(RocketMQConsumerApplication.class, args);
 	}
 
+	@Bean
+	public ConsumerCustomRunner customRunner() {
+		return new ConsumerCustomRunner();
+	}
+
+	public static class ConsumerCustomRunner implements CommandLineRunner {
+
+		@Autowired
+		private MySink mySink;
+
+		@Override
+		public void run(String... args) throws InterruptedException {
+			while (true) {
+				mySink.input5().poll(m -> {
+					String payload = (String) m.getPayload();
+					System.out.println("pull msg: " + payload);
+				}, new ParameterizedTypeReference<String>() {
+				});
+				Thread.sleep(2_000);
+			}
+		}
+	}
+
 }

spring-cloud-alibaba-examples/rocketmq-example/rocketmq-consume-example/src/main/resources/application.properties

@@ -24,6 +24,10 @@ spring.cloud.stream.bindings.input4.content-type=text/plain
 spring.cloud.stream.bindings.input4.group=transaction-group
 spring.cloud.stream.bindings.input4.consumer.concurrency=5
 
+spring.cloud.stream.bindings.input5.destination=pull-topic
+spring.cloud.stream.bindings.input5.content-type=text/plain
+spring.cloud.stream.bindings.input5.group=pull-topic-group
+
 spring.application.name=rocketmq-consume-example
 
 server.port=28082

spring-cloud-alibaba-examples/rocketmq-example/rocketmq-produce-example/src/main/java/org/springframework/cloud/alibaba/cloud/examples/RocketMQProduceApplication.java

@@ -9,6 +9,7 @@ import org.springframework.cloud.stream.annotation.EnableBinding;
 import org.springframework.cloud.stream.annotation.Output;
 import org.springframework.context.annotation.Bean;
 import org.springframework.messaging.MessageChannel;
+import org.springframework.messaging.support.MessageBuilder;
 
 /**
  * @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
@@ -23,6 +24,9 @@ public class RocketMQProduceApplication {
 
 		@Output("output2")
 		MessageChannel output2();
+
+		@Output("output3")
+		MessageChannel output3();
 	}
 
 	public static void main(String[] args) {
@@ -31,7 +35,12 @@ public class RocketMQProduceApplication {
 
 	@Bean
 	public CustomRunner customRunner() {
-		return new CustomRunner();
+		return new CustomRunner("output1");
+	}
+
+	@Bean
+	public CustomRunner customRunner2() {
+		return new CustomRunner("output3");
 	}
 
 	@Bean
@@ -40,11 +49,22 @@ public class RocketMQProduceApplication {
 	}
 
 	public static class CustomRunner implements CommandLineRunner {
+
+		private final String bindingName;
+
+		public CustomRunner(String bindingName) {
+			this.bindingName = bindingName;
+		}
+
 		@Autowired
 		private SenderService senderService;
 
+		@Autowired
+		private MySource mySource;
+
 		@Override
 		public void run(String... args) throws Exception {
+			if (this.bindingName.equals("output1")) {
 				int count = 5;
 				for (int index = 1; index <= count; index++) {
 					String msgContent = "msg-" + index;
@@ -59,6 +79,16 @@ public class RocketMQProduceApplication {
 					}
 				}
 			}
+			else if (this.bindingName.equals("output3")) {
+				int count = 50;
+				for (int index = 1; index <= count; index++) {
+					String msgContent = "pullMsg-" + index;
+					mySource.output3()
+							.send(MessageBuilder.withPayload(msgContent).build());
+				}
+			}
+
+		}
 	}
 
 	public static class CustomRunnerWithTransactional implements CommandLineRunner {

spring-cloud-alibaba-examples/rocketmq-example/rocketmq-produce-example/src/main/resources/application.properties

@@ -12,6 +12,10 @@ spring.cloud.stream.bindings.output2.content-type=application/json
 spring.cloud.stream.rocketmq.bindings.output2.producer.transactional=true
 spring.cloud.stream.rocketmq.bindings.output2.producer.group=myTxProducerGroup
 
+spring.cloud.stream.bindings.output3.destination=pull-topic
+spring.cloud.stream.bindings.output3.content-type=text/plain
+spring.cloud.stream.rocketmq.bindings.output3.producer.group=pull-binder-group
+
 spring.application.name=rocketmq-produce-example
 
 server.port=28081