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eventstore

package module

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Versions in this module

v1

v1.0.0

May 6, 2023

v0

v0.3.0

Apr 7, 2022

v0.2.0

Dec 21, 2021

Changes in this version

type Projection

+ func FlushAfter(p Projection, flush func() error, flushInt time.Duration) Projection

type SubAllOpt

+ func WithPollInterval(d time.Duration) SubAllOpt

v0.1.0

Dec 15, 2021

Changes in this version

+ const InitialStreamVersion

+ var ErrConcurrencyCheckFailed = errors.New("optimistic concurrency check failed: stream version exists")

+ var ErrStreamNotFound = errors.New("stream not found")

+ var ErrSubscriptionClosedByClient = errors.New("subscription closed by client")

+ type AggregateRoot struct

+ func (a *AggregateRoot) Apply(evts ...interface{}) error

+ func (a *AggregateRoot) Events() []interface{}

+ func (a *AggregateRoot) Init(aggrPtr interface{}, evts ...interface{}) error

+ func (a *AggregateRoot) Version() int

+ type AppendStreamConfig struct

+ type AppendStreamOpt func(AppendStreamConfig) AppendStreamConfig

+ func WithMetaData(meta map[string]string) AppendStreamOpt

+ type EncodedEvt struct

+ Data string

+ Type string

+ type Encoder interface

+ Decode func(*EncodedEvt) (interface{}, error)

+ Encode func(interface{}) (*EncodedEvt, error)

+ type EventData struct

+ Event interface{}

+ Meta map[string]string

+ Type string

+ type EventStore struct

+ func New(dbname string, enc Encoder) (*EventStore, error)

+ func (es *EventStore) AppendStream(ctx context.Context, stream string, expectedVer int, evts []interface{}, ...) error

+ func (es *EventStore) Close() error

+ func (es *EventStore) ReadAll(ctx context.Context, opts ...SubAllOpt) ([]EventData, error)

+ func (es *EventStore) ReadStream(ctx context.Context, stream string) ([]EventData, error)

+ func (es *EventStore) SubscribeAll(ctx context.Context, opts ...SubAllOpt) (Subscription, error)

+ type EventStreamer interface

+ SubscribeAll func(context.Context, ...SubAllOpt) (Subscription, error)

+ type JsonEncoder struct

+ func NewJSONEncoder(evts ...interface{}) *JsonEncoder

+ func (e *JsonEncoder) Decode(evt *EncodedEvt) (interface{}, error)

+ func (e *JsonEncoder) Encode(evt interface{}) (*EncodedEvt, error)

+ type Projection func(EventData) error

+ type Projector struct

+ func NewProjector(s EventStreamer) *Projector

+ func (p *Projector) Add(projections ...Projection)

+ func (p *Projector) Run(ctx context.Context) error

+ type SubAllConfig struct

+ type SubAllOpt func(SubAllConfig) SubAllConfig

+ func WithBatchSize(size int) SubAllOpt

+ func WithOffset(offset int) SubAllOpt

+ type Subscription struct

+ Err chan error

+ EventData chan EventData

+ func (s Subscription) Close()