lock

package
v0.1.18 Latest Latest
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 Go to latest Published: May 30, 2022 License: Apache-2.0 Imports: 7 Imported by: 1

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Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrLock          = errors.New("lock error")
	ErrTransFinished = errors.New("transaction finished")
	ErrNoTransaction = errors.New("no transaction")
	ErrCommit        = errors.New("commit error")
)

Functions

This section is empty.

Types

type Lock 

type Lock struct {
	// contains filtered or unexported fields
}

func New 

func New(lockId interface{}, client *rds.Pool) (r *Lock, err error)

func (*Lock) Commit 

func (this *Lock) Commit() (err error)

仅开启 transaction 时有效，将锁状态切换为 Finished

func (*Lock) GetLockStatus 

func (this *Lock) GetLockStatus() (r LockStatus)

func (*Lock) Lock 

func (this *Lock) Lock(aliveSeconds int64) (err error)

加锁，需指定锁有效时间 当开启 transaction 时，将锁状态设置为 Doing

func (*Lock) Release 

func (this *Lock) Release() (err error)

主动释放锁

func (*Lock) Transaction 

func (this *Lock) Transaction() *Lock

func (*Lock) Wait 

func (this *Lock) Wait() (err error)

阻塞业务进程并直到锁状态为 normal 时释放阻塞 当开启 transaction 时，锁状态为 Finished 时抛出错误

func (*Lock) WaitAndLock 

func (this *Lock) WaitAndLock(aliveSeconds int64) (err error)

阻塞业务进程并直到加锁成功，需指定锁有效时间

type LockStatus 

type LockStatus int
const (
	LockStatusNormal   LockStatus = 0
	LockStatusDoing    LockStatus = 1
	LockStatusFinished LockStatus = 2
)

Source Files

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