/* * Copyright (c) 2018-2028, DreamLu All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * Neither the name of the dreamlu.net developer nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * Author: DreamLu 卢春梦 (596392912@qq.com) */ package org.springblade.core.redis.cache; import org.springblade.core.tool.utils.ObjectUtil; import org.springblade.core.tool.utils.StringPool; import org.springblade.core.tool.utils.StringUtil; import org.springframework.lang.Nullable; import java.time.Duration; /** * cache key * * @author L.cm */ public interface ICacheKey { /** * 获取前缀 * * @return key 前缀 */ String getPrefix(); /** * 超时时间 * * @return 超时时间 */ @Nullable default Duration getExpire() { return null; } /** * 组装 cache key * * @param suffix 参数 * @return cache key */ default CacheKey getKey(Object... suffix) { String prefix = this.getPrefix(); // 拼接参数 String key; if (ObjectUtil.isEmpty(suffix)) { key = prefix; } else { key = prefix.concat(StringUtil.join(suffix, StringPool.COLON)); } Duration expire = this.getExpire(); return expire == null ? new CacheKey(key) : new CacheKey(key, expire); } }