lock

package

v0.6.0 Latest Latest Go to latest Published: Dec 17, 2023 License: Apache-2.0 Imports: 5 Imported by: 0

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Package lock implements generic application-level locking mechanism based on pg "advisory lock" feature. see https://www.postgresql.org/docs/current/explicit-locking.html#ADVISORY-LOCKS.

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type Key interface {
	Int64() int64
}

Key represents unique lock key

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

func New(store *repository.Store) *Locker

func (l *Locker) Do(ctx context.Context, key Key, run func() error) error

Do acquires exclusive lock for provided resource

type RowKey struct {
	Table string
	ID    int64
}

func (k RowKey) Int64() int64

type StringKey struct {
	Key string
}

func (k StringKey) Int64() int64