caigy commented on code in PR #4556:
URL: https://github.com/apache/rocketmq/pull/4556#discussion_r914371045
##########
example/src/main/java/org/apache/rocketmq/example/filter/SqlFilterConsumer.java:
##########
@@ -17,33 +17,26 @@
package org.apache.rocketmq.example.filter;
-import java.util.List;
import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.MessageSelector;
-import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import
org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
-import org.apache.rocketmq.common.message.MessageExt;
public class SqlFilterConsumer {
+ public static final String CONSUMER_GROUP =
"please_rename_unique_group_name";
+ public static final String TOPIC = "SqlFilterTest";
public static void main(String[] args) throws Exception {
- DefaultMQPushConsumer consumer = new
DefaultMQPushConsumer("please_rename_unique_group_name");
+ DefaultMQPushConsumer consumer = new
DefaultMQPushConsumer(CONSUMER_GROUP);
// Don't forget to set enablePropertyFilter=true in broker
- consumer.subscribe("SqlFilterTest",
- MessageSelector.bySql("(TAGS is not null and TAGS in ('TagA',
'TagB'))" +
+ consumer.subscribe(TOPIC, MessageSelector.bySql("(TAGS is not null and
TAGS in ('TagA', 'TagB'))" +
"and (a is not null and a between 0 and 3)"));
- consumer.registerMessageListener(new MessageListenerConcurrently() {
-
- @Override
- public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt>
msgs,
- ConsumeConcurrentlyContext context) {
- System.out.printf("%s Receive New Messages: %s %n",
Thread.currentThread().getName(), msgs);
- return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
- }
+ consumer.registerMessageListener((MessageListenerConcurrently) (msgs,
context) -> {
+ System.out.printf("%s Receive New Messages: %s %n",
Thread.currentThread().getName(), msgs);
+ return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
Review Comment:
Clients should still be compatible with JDK6.
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