sequence

Jul 11, 2026

Changes in this version

+ var ErrInvalidStep = errors.New("sequence rule SeqStep must be >= 1")

Mar 9, 2026

Changes in this version

+ const DBStoreTableName

+ var ErrInvalidCount = errors.New("sequence generate count must be >= 1")

+ var ErrRuleNotFound = errors.New("sequence rule not found or inactive")

+ var ErrSequenceOverflow = errors.New("sequence value exceeded max value")

+ func FormatDate(dt timex.DateTime, format string) string

+ type DBStore struct

+ func (s *DBStore) Init(ctx context.Context) error

+ func (s *DBStore) Reserve(ctx context.Context, key string, count int, now timex.DateTime) (*Rule, int, error)

+ type Generator interface

+ Generate func(ctx context.Context, key string) (string, error)

+ GenerateN func(ctx context.Context, key string, count int) ([]string, error)

+ type MemoryStore struct

+ func (s *MemoryStore) Register(rules ...*Rule)

+ func (s *MemoryStore) Reserve(_ context.Context, key string, count int, now timex.DateTime) (*Rule, int, error)

+ type OverflowStrategy string

+ const OverflowError

+ const OverflowExtend

+ const OverflowReset

+ type RedisStore struct

+ func (s *RedisStore) RegisterRule(ctx context.Context, rule *Rule) error

+ func (s *RedisStore) Reserve(ctx context.Context, key string, count int, now timex.DateTime) (*Rule, int, error)

+ type ResetCycle string

+ const ResetDaily

+ const ResetMonthly

+ const ResetNone

+ const ResetQuarterly

+ const ResetWeekly

+ const ResetYearly

+ type Rule struct

+ CurrentValue int

+ DateFormat string

+ IsActive bool

+ Key string

+ LastResetAt *timex.DateTime

+ MaxValue int

+ Name string

+ OverflowStrategy OverflowStrategy

+ Prefix string

+ ResetCycle ResetCycle

+ SeqLength int

+ SeqStep int

+ StartValue int

+ Suffix string

+ func (r *Rule) Clone() *Rule

+ type RuleModel struct

+ CurrentValue int

+ DateFormat *string

+ IsActive bool

+ Key string

+ LastResetAt *timex.DateTime

+ MaxValue int

+ Name string

+ OverflowStrategy OverflowStrategy

+ Prefix *string

+ Remark *string

+ ResetCycle ResetCycle

+ SeqLength int16

+ SeqStep int16

+ StartValue int

+ Suffix *string

+ type Store interface

+ Reserve func(ctx context.Context, key string, count int, now timex.DateTime) (rule *Rule, newValue int, err error)

+ func NewDBStore(db orm.DB) Store

+ func NewMemoryStore() Store

+ func NewRedisStore(client *redis.Client) Store