/*-
 * <<
 * UAVStack
 * ==
 * Copyright (C) 2016 - 2017 UAVStack
 * ==
 * 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.
 * >>
 */

package com.creditease.uav.mq.api;

import com.alibaba.rocketmq.client.exception.MQClientException;
import com.creditease.agent.log.SystemLogger;
import com.creditease.agent.log.api.ISystemLogger;

public abstract class MQConsumer {

    protected final static ISystemLogger log = SystemLogger.getLogger(MQConsumer.class);

    protected MQConsumerConfig consumerConfig;

    public MQConsumer(MQConsumerConfig consumerConfig) {
        this.consumerConfig = consumerConfig;
    }

    /**
     * 注册接收消息的处理类
     *
     * @param messageListner
     * @throws Exception
     */
    abstract public void registerListener(MQMessageListener messageListner);

    /**
     * 注册顺序消费消息
     *
     * @param messageListner
     * @throws Exception
     */
    abstract public void registerOrderlyListener(MQMessageListener messageListner);

    abstract public void start() throws MQClientException;

    abstract public void shutdown();
}
