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/*
 * Copyright (c) 2020-2030, Shuigedeng ([email protected] & https://blog.taotaocloud.top/).
 *
 * 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
 *
 *      https://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.taotao.cloud.cache.jetcache.properties;

import java.time.Duration;
import java.util.concurrent.TimeUnit;
import org.apache.commons.lang3.ObjectUtils;

/**
 * 自定义二级缓存过期时间通用属性
 *
 * @author shuigedeng
 * @version 2022.07
 * @since 2022-07-25 08:53:22
 */
public class Expire {

    /** 统一缓存时长，默认：1 */
    private Long duration = 1L;

    /** 统一缓存时长单位，默认：小时。 */
    private TimeUnit unit = TimeUnit.HOURS;

    /**
     * Redis缓存TTL设置，默认：1小时，单位小时
     *
     * 使用Duration类型，配置参数形式如下： "?ns" //纳秒 "?us" //微秒 "?ms" //毫秒 "?s" //秒 "?m" //分 "?h" //小时 "?d"
     * //天
     */
    private Duration ttl;

    public Long getDuration() {
        return duration;
    }

    public void setDuration(Long duration) {
        this.duration = duration;
    }

    public TimeUnit getUnit() {
        return unit;
    }

    public void setUnit(TimeUnit unit) {
        this.unit = unit;
    }

    public Duration getTtl() {
        if (ObjectUtils.isEmpty(this.ttl)) {
            this.ttl = convertToDuration(this.duration, this.unit);
        }
        return ttl;
    }

    private Duration convertToDuration(Long duration, TimeUnit timeUnit) {
        switch (timeUnit) {
            case DAYS:
                return Duration.ofDays(duration);
            case HOURS:
                return Duration.ofHours(duration);
            case SECONDS:
                return Duration.ofSeconds(duration);
            default:
                return Duration.ofMinutes(duration);
        }
    }
}