Merge pull request alibaba#620 from RongtongJin/polish_filter_example

[ISSUE alibaba#608] Polish filter example

Author: duhenglucky

example/src/main/java/org/apache/rocketmq/example/filter/SqlConsumer.java renamed to example/src/main/java/org/apache/rocketmq/example/filter/SqlFilterConsumer.java

@@ -17,28 +17,24 @@
 
 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.client.exception.MQClientException;
 import org.apache.rocketmq.common.message.MessageExt;
 
-import java.util.List;
+public class SqlFilterConsumer {
+
+    public static void main(String[] args) throws Exception {
 
-public class SqlConsumer {
+        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name");
 
-    public static void main(String[] args) {
-        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name_4");
-        try {
-            consumer.subscribe("TopicTest",
-                MessageSelector.bySql("(TAGS is not null and TAGS in ('TagA', 'TagB'))" +
-                    "and (a is not null and a between 0  3)"));
-        } catch (MQClientException e) {
-            e.printStackTrace();
-            return;
-        }
+        // Don't forget to set enablePropertyFilter=true in broker
+        consumer.subscribe("SqlFilterTest",
+            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() {
 
@@ -50,12 +46,7 @@ public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
             }
         });
 
-        try {
-            consumer.start();
-        } catch (MQClientException e) {
-            e.printStackTrace();
-            return;
-        }
+        consumer.start();
         System.out.printf("Consumer Started.%n");
     }
 }

example/src/main/java/org/apache/rocketmq/example/filter/Producer.java renamed to example/src/main/java/org/apache/rocketmq/example/filter/SqlFilterProducer.java

@@ -14,33 +14,35 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.rocketmq.example.filter;
 
-import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.client.producer.DefaultMQProducer;
 import org.apache.rocketmq.client.producer.SendResult;
 import org.apache.rocketmq.common.message.Message;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
 
-public class Producer {
-    public static void main(String[] args) throws MQClientException, InterruptedException {
-        DefaultMQProducer producer = new DefaultMQProducer("ProducerGroupName");
+public class SqlFilterProducer {
+
+    public static void main(String[] args) throws Exception {
+
+        DefaultMQProducer producer = new DefaultMQProducer("please_rename_unique_group_name");
+
         producer.start();
 
-        try {
-            for (int i = 0; i < 6000000; i++) {
-                Message msg = new Message("TopicFilter7",
-                    "TagA",
-                    "OrderID001",
-                    "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
-
-                msg.putUserProperty("SequenceId", String.valueOf(i));
-                SendResult sendResult = producer.send(msg);
-                System.out.printf("%s%n", sendResult);
-            }
-        } catch (Exception e) {
-            e.printStackTrace();
+        String[] tags = new String[] {"TagA", "TagB", "TagC"};
+
+        for (int i = 0; i < 10; i++) {
+            Message msg = new Message("SqlFilterTest",
+                tags[i % tags.length],
+                ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET)
+            );
+            msg.putUserProperty("a", String.valueOf(i));
+
+            SendResult sendResult = producer.send(msg);
+            System.out.printf("%s%n", sendResult);
         }
+
         producer.shutdown();
     }
 }

example/src/main/java/org/apache/rocketmq/example/filter/SqlProducer.java

@@ -16,28 +16,22 @@
  */
 package org.apache.rocketmq.example.filter;
 
-import java.io.File;
 import java.io.IOException;
 import java.util.List;
 import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
 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.client.exception.MQClientException;
-import org.apache.rocketmq.common.MixAll;
 import org.apache.rocketmq.common.message.MessageExt;
 
-public class Consumer {
+public class TagFilterConsumer {
 
     public static void main(String[] args) throws InterruptedException, MQClientException, IOException {
-        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("ConsumerGroupNamecc4");
 
-        ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
-        File classFile = new File(classLoader.getResource("MessageFilterImpl.java").getFile());
+        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name");
 
-        String filterCode = MixAll.file2String(classFile);
-        consumer.subscribe("TopicTest", "org.apache.rocketmq.example.filter.MessageFilterImpl",
-            filterCode);
+        consumer.subscribe("TagFilterTest", "TagA || TagC");
 
         consumer.registerMessageListener(new MessageListenerConcurrently() {
 

example/src/main/java/org/apache/rocketmq/example/filter/Consumer.java renamed to example/src/main/java/org/apache/rocketmq/example/filter/TagFilterConsumer.java

@@ -0,0 +1,44 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.rocketmq.example.filter;
+
+import org.apache.rocketmq.client.producer.DefaultMQProducer;
+import org.apache.rocketmq.client.producer.SendResult;
+import org.apache.rocketmq.common.message.Message;
+import org.apache.rocketmq.remoting.common.RemotingHelper;
+
+public class TagFilterProducer {
+
+    public static void main(String[] args) throws Exception {
+
+        DefaultMQProducer producer = new DefaultMQProducer("please_rename_unique_group_name");
+        producer.start();
+
+        String[] tags = new String[] {"TagA", "TagB", "TagC"};
+
+        for (int i = 0; i < 60; i++) {
+            Message msg = new Message("TagFilterTest",
+                tags[i % tags.length],
+                "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
+
+            SendResult sendResult = producer.send(msg);
+            System.out.printf("%s%n", sendResult);
+        }
+
+        producer.shutdown();
+    }
+}