package com.taobao.metamorphosis.example;

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

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

import com.taobao.metamorphosis.Message;
import com.taobao.metamorphosis.client.extension.AsyncMessageSessionFactory;
import com.taobao.metamorphosis.client.extension.AsyncMetaMessageSessionFactory;
import com.taobao.metamorphosis.client.producer.MessageProducer;
import com.taobao.metamorphosis.client.producer.SendMessageCallback;
import com.taobao.metamorphosis.client.producer.SendResult;


/**
 * <pre>
 * �첽������Ϣ������ *
 * 
 * 
 * ���ڴ����첽��������Ϣ�ĻỰ����.
 * 
 * ʹ�ó���:
 *      ���ڷ��Ϳɿ���Ҫ����ô��,��Ҫ����߷���Ч�ʺͽ��Ͷ�����Ӧ�õ�Ӱ�죬�������Ӧ�õ��ȶ���.
 *      ����,�ռ���־���û���Ϊ��Ϣ�ȳ���.
 * ע��:
 *      ������Ϣ�󷵻صĽ���в�����׼ȷ��messageId,partition,offset,��Щֵ����-1
 * 
 * @author �޻�
 * @Date 2012-2-27
 * 
 */
public class AsyncOnewayProducer {
    public static void main(final String[] args) throws Exception {
        // New session factory,ǿ�ҽ���ʹ�õ���
        final AsyncMessageSessionFactory sessionFactory = new AsyncMetaMessageSessionFactory(initMetaConfig());
        // create producer,ǿ�ҽ���ʹ�õ���
        final MessageProducer producer = sessionFactory.createAsyncProducer();
        // publish topic
        final String topic = "meta-test";
        producer.publish(topic);

        final BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line = null;
        while ((line = readLine(reader)) != null) {
            // send message
            try {
                producer.sendMessage(new Message(topic, line.getBytes()), new SendMessageCallback() {

                    @Override
                    public void onMessageSent(final SendResult result) {
                        if (result.isSuccess()) {
                            System.out.println("Send message successfully,sent to " + result.getPartition());
                        }
                        else {
                            System.err.println("Send message failed,error message:" + result.getErrorMessage());
                        }

                    }


                    @Override
                    public void onException(final Throwable e) {
                        e.printStackTrace();

                    }
                });

            }
            catch (final Exception e) {
                e.printStackTrace();
            }
            // check result
        }
    }


    private static String readLine(final BufferedReader reader) throws IOException {
        System.out.println("Type a message to send:");
        return reader.readLine();
    }
}