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redislock

package module

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Versions in this module

v0

v0.8.4

Dec 12, 2023

Changes in this version

type RedisClient

+ EvalRO func(ctx context.Context, script string, keys []string, args ...interface{}) *redis.Cmd

+ EvalShaRO func(ctx context.Context, sha1 string, keys []string, args ...interface{}) *redis.Cmd

v0.8.3

Jun 6, 2023

v0.8.2

Dec 16, 2021

v0.8.1

Nov 5, 2021

v0.8.0

Oct 14, 2021

Changes in this version

+ var ErrLockNotHeld = errors.New("redislock: lock not held")

+ var ErrNotObtained = errors.New("redislock: not obtained")

+ type Client struct

+ func New(client RedisClient) *Client

+ func (c *Client) Obtain(ctx context.Context, key string, ttl time.Duration, opt *Options) (*Lock, error)

+ func (c *Client) ObtainMany(ctx context.Context, ttlSecond int64, opt *Options, keys ...string) (*Lock, error)

+ type Lock struct

+ func Obtain(ctx context.Context, client RedisClient, key string, ttl time.Duration, ...) (*Lock, error)

+ func (l *Lock) Key() string

+ func (l *Lock) Keys() []string

+ func (l *Lock) Metadata() string

+ func (l *Lock) Refresh(ctx context.Context, ttl time.Duration, opt *Options) error

+ func (l *Lock) Release(ctx context.Context) error

+ func (l *Lock) TTL(ctx context.Context) (time.Duration, error)

+ func (l *Lock) Token() string

+ func (l *Lock) Values() []interface{}

+ type Options struct

+ Metadata string

+ RetryStrategy RetryStrategy

+ type RedisClient interface

+ Eval func(ctx context.Context, script string, keys []string, args ...interface{}) *redis.Cmd

+ EvalSha func(ctx context.Context, sha1 string, keys []string, args ...interface{}) *redis.Cmd

+ ScriptExists func(ctx context.Context, scripts ...string) *redis.BoolSliceCmd

+ ScriptLoad func(ctx context.Context, script string) *redis.StringCmd

+ SetNX func(ctx context.Context, key string, value interface{}, expiration time.Duration) *redis.BoolCmd

+ type RetryStrategy interface

+ NextBackoff func() time.Duration

+ func ExponentialBackoff(min, max time.Duration) RetryStrategy

+ func LimitRetry(s RetryStrategy, max int) RetryStrategy

+ func LinearBackoff(backoff time.Duration) RetryStrategy

+ func NoRetry() RetryStrategy