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/*
 * Copyright 2019 恒宇少年
 *
 *    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.gitee.hengboy.micro.job.server.strategy;

import com.gitee.hengboy.micro.job.common.exception.JobException;
import com.gitee.hengboy.micro.job.server.strategy.model.Node;

/**
 * load balance strategy
 * 负载均衡策略
 *
 * @author：于起宇 
 * ================================
 * Created with IDEA.
 * Date：2019-01-16
 * Time：14:39
 * 个人博客：http://blog.yuqiyu.com
 * 简书：http://www.jianshu.com/u/092df3f77bca
 * 码云：https://gitee.com/hengboy
 * GitHub：https://github.com/hengyuboy
 * ================================
 * 
 */
public interface LbStrategy {
    /**
     * 查询本次负载到的节点
     *
     * @param jobTriggerKey 任务触发器key
     * @return 任务节点的编号
     * @throws JobException
     */
    Node select(String jobTriggerKey) throws JobException;
}