BroadcastAsyncConsumer.java

/*
 * (C) 2007-2012 Alibaba Group Holding Limited.
 * 
 * Licensed 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.
 * Authors:
 *   wuhua <wq163@163.com> , boyan <killme2008@gmail.com>
 */
package com.taobao.metamorphosis.example;

import static com.taobao.metamorphosis.example.Help.initMetaConfig;

import java.util.concurrent.Executor;

import com.taobao.metamorphosis.Message;
import com.taobao.metamorphosis.client.consumer.ConsumerConfig;
import com.taobao.metamorphosis.client.consumer.MessageConsumer;
import com.taobao.metamorphosis.client.consumer.MessageListener;
import com.taobao.metamorphosis.client.extension.BroadcastMessageSessionFactory;
import com.taobao.metamorphosis.client.extension.MetaBroadcastMessageSessionFactory;


/**
 * �㲥����
 * 
 * @author �޻�
 * @since 2012-2-22 ����4:24:08
 */

public class BroadcastAsyncConsumer {
    public static void main(final String[] args) throws Exception {
        // New session factory,ǿ�ҽ���ʹ�õ���
        final BroadcastMessageSessionFactory sessionFactory = new MetaBroadcastMessageSessionFactory(initMetaConfig());

        // subscribed topic
        final String topic = "meta-test";
        // consumer group
        final String group = "meta-example";
        // create consumer,ǿ�ҽ���ʹ�õ���
        final MessageConsumer consumer = sessionFactory.createBroadcastConsumer(new ConsumerConfig(group));
        // subscribe topic
        consumer.subscribe(topic, 1024 * 1024, new MessageListener() {

            @Override
            public void recieveMessages(final Message message) {
                System.out.println("Receive message " + new String(message.getData()));
            }


            @Override
            public Executor getExecutor() {
                // Thread pool to process messages,maybe null.
                return null;
            }
        });
        // complete subscribe
        consumer.completeSubscribe();

    }
}