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nacos-consistency

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/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * 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.alibaba.nacos.consistency;

import java.util.Map;

/**
 * Id generator.
 *
 * @author liaochuntao
 */
public interface IdGenerator {
    
    /**
     * Perform the corresponding initialization operation.
     */
    void init();
    
    /**
     * current id info.
     *
     * @return current id
     */
    long currentId();
    
    /**
     * worker id info.
     *
     * @return worker id
     */
    long workerId();
    
    /**
     * Get next id.
     *
     * @return next id
     */
    long nextId();
    
    /**
     * Returns information for the current IDGenerator.
     *
     * @return {@link Map}
     */
    Map info();
    
}