cassandra

package

v1.9.0 Latest Latest Go to latest Published: Jan 21, 2019 License: Apache-2.0 Imports: 3 Imported by: 0

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

Lock is a distributed lock based off Cassandra.

func NewLock(session cassandra.Session, tenantID string) *Lock

NewLock creates a new instance of a distributed locking mechanism based off Cassandra.

func (l *Lock) Acquire(resource string, ttl time.Duration) (bool, error)

Acquire acquires a lease around a given resource. NB. Cassandra only allows ttl of seconds granularity

func (l *Lock) Forfeit(resource string) (bool, error)

Forfeit forfeits an existing lease around a given resource.