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sagacity-sqltoy-solon-plugin

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package org.sagacity.sqltoy.solon.integration;

import java.util.Date;

import org.noear.redisx.RedisClient;
import org.noear.redisx.plus.RedisAtomic;
import org.sagacity.sqltoy.integration.AppContext;
import org.sagacity.sqltoy.integration.DistributeIdGenerator;

/**
 * 基于redisx的redis模式的分布式id生成器
 */
public class SolonRedisIdGenerator implements DistributeIdGenerator {
    /**
     * 全局ID的前缀符号,用于避免在redis中跟其它业务场景发生冲突
     */
    private final static String GLOBAL_ID_PREFIX = "SQLTOY_GL_ID:";
    private RedisClient client;

    @Override
    public long generateId(String key, int increment, Date expireTime) {
        String realKey = GLOBAL_ID_PREFIX.concat(key);
        RedisAtomic atomic = client.getAtomic(GLOBAL_ID_PREFIX.concat(key));
        if (expireTime != null) {
            client.open(s -> {
                s.jedis().pexpireAt(realKey, expireTime.getTime());
            });
        }
        if (increment < 1) {
            return atomic.increment();
        }
        return atomic.incrementBy(increment);
    }

    @Override
    public void initialize(AppContext appContext) {
        client = appContext.getBean(RedisClient.class);
    }
}