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47 lines
1.1 KiB
47 lines
1.1 KiB
package golock
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import (
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"go.dtapp.net/library/utils/goredis"
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"time"
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)
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type ConfigLockRedis struct {
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Key string
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KeyContent string
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ExpirationTime time.Duration
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}
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type LockRedis struct {
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config ConfigLockRedis
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db goredis.App
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}
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func NewLockRedis(db goredis.App) *LockRedis {
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return &LockRedis{db: db}
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}
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// Lock 上锁
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func (lockRedis *LockRedis) Lock() bool {
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judgeCache := lockRedis.db.NewStringOperation().Get(lockRedis.config.Key).UnwrapOr("")
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if judgeCache != "" {
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return true
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}
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lockRedis.db.NewStringOperation().Set(lockRedis.config.Key, lockRedis.config.KeyContent, goredis.WithExpire(lockRedis.config.ExpirationTime))
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return true
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}
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// Unlock Lock 解锁
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func (lockRedis *LockRedis) Unlock() {
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lockRedis.db.NewStringOperation().Del(lockRedis.config.Key)
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}
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// LockForever 永远上锁
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func (lockRedis *LockRedis) LockForever() bool {
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judgeCache := lockRedis.db.NewStringOperation().Get(lockRedis.config.Key).UnwrapOr("")
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if judgeCache != "" {
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return true
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}
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lockRedis.db.NewStringOperation().Set(lockRedis.config.Key, lockRedis.config.KeyContent)
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return true
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}
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