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id生成器

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package io.github.dengchen2020.id;

import io.github.dengchen2020.id.exception.IdGeneratorException;
import io.github.dengchen2020.id.snowflake.SnowflakeIdGeneratorOptions;
import io.github.dengchen2020.id.snowflake.SnowflakeIdGenerator;

/**
 * id生成辅助工具
 * @author dengchen
 * @since 2024/7/1
 */
public class IdHelper {

    private static IdGenerator idGenInstance = null;

    public static IdGenerator getIdGenInstance() {
        return idGenInstance;
    }


    /**
     * 设置参数，程序仅初始化时执行一次
     */
    public static void setIdGenerator(IdGenerator generator) throws IdGeneratorException {
        if(idGenInstance == null) idGenInstance = generator;
    }

    /**
     * 生成新的Id
     * 调用本方法前，请确保调用了 setIdGenerator 方法做初始化。
     *
     * @return id
     */
    public static long nextId() throws IdGeneratorException {
        return idGenInstance.newLong();
    }

}