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38 lines
904 B
38 lines
904 B
package dorm
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import (
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"time"
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)
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type DBGttStringFunc func() string
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// SimpleStringCache 缓存
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type SimpleStringCache struct {
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Operation *StringOperation // 操作类
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Expire time.Duration // 过期时间
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DBGetter DBGttStringFunc // 缓存不存在的操作 DB
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}
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// NewSimpleStringCache 构造函数
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func (c *RedisClient) NewSimpleStringCache(operation *StringOperation, expire time.Duration) *SimpleStringCache {
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return &SimpleStringCache{
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Operation: operation, // 操作类
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Expire: expire, // 过期时间
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}
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}
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// SetCache 设置缓存
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func (c *SimpleStringCache) SetCache(key string, value string) {
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c.Operation.Set(key, value, WithExpire(c.Expire)).Unwrap()
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}
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// GetCache 获取缓存
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func (c *SimpleStringCache) GetCache(key string) (ret string) {
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f := func() string {
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return c.DBGetter()
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}
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ret = c.Operation.Get(key).UnwrapOrElse(f)
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c.SetCache(key, ret)
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return
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}
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