com.alibaba.rocketmq.client.impl.consumer.RebalanceService Maven / Gradle / Ivy

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/**
 * 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 com.alibaba.rocketmq.client.impl.consumer;

import com.alibaba.rocketmq.client.impl.factory.MQClientInstance;
import com.alibaba.rocketmq.client.log.ClientLogger;
import com.alibaba.rocketmq.common.ServiceThread;
import org.slf4j.Logger;


/**
 * Rebalance Service
 *
 * @author shijia.wxr
 */
public class RebalanceService extends ServiceThread {
    private static long WaitInterval =
            Long.parseLong(System.getProperty(
                    "rocketmq.client.rebalance.waitInterval", "20000"));
    private final Logger log = ClientLogger.getLog();
    private final MQClientInstance mqClientFactory;

    public RebalanceService(MQClientInstance mqClientFactory) {
        this.mqClientFactory = mqClientFactory;
    }

    @Override
    public void run() {
        log.info(this.getServiceName() + " service started");

        while (!this.isStoped()) {
            this.waitForRunning(WaitInterval);
            this.mqClientFactory.doRebalance();
        }

        log.info(this.getServiceName() + " service end");
    }


    @Override
    public String getServiceName() {
        return RebalanceService.class.getSimpleName();
    }
}