dynamodb

Documentation

Index

• Variables
• type EventStore
  • func NewEventStore(config *EventStoreConfig) (*EventStore, error)
  • func (s *EventStore) CreateTable(ctx context.Context) error
  • func (s *EventStore) DeleteTable(ctx context.Context) error
  • func (s *EventStore) Load(ctx context.Context, aggregateType eh.AggregateType, id eh.UUID) ([]eh.Event, error)
  • func (s *EventStore) Save(ctx context.Context, events []eh.Event, originalVersion int) error
• type EventStoreConfig

Variables

var ErrCouldNotClearDB = errors.New("could not clear database")

ErrCouldNotClearDB is when the database could not be cleared.

var ErrCouldNotLoadAggregate = errors.New("could not load aggregate")

ErrCouldNotLoadAggregate is when an aggregate could not be loaded.

var ErrCouldNotMarshalEvent = errors.New("could not marshal event")

ErrCouldNotMarshalEvent is when an event could not be marshaled into BSON.

var ErrCouldNotSaveAggregate = errors.New("could not save aggregate")

ErrCouldNotSaveAggregate is when an aggregate could not be saved.

var ErrCouldNotUnmarshalEvent = errors.New("could not unmarshal event")

ErrCouldNotUnmarshalEvent is when an event could not be unmarshaled into a concrete type.

Types

type EventStore

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

EventStore implements an EventStore for MongoDB.

func NewEventStore

func NewEventStore(config *EventStoreConfig) (*EventStore, error)

NewEventStore creates a new EventStore.

func (*EventStore) CreateTable

func (s *EventStore) CreateTable(ctx context.Context) error

CreateTable creates the table if it is not allready existing and correct.

func (*EventStore) DeleteTable

func (s *EventStore) DeleteTable(ctx context.Context) error

DeleteTable deletes the event table.

func (*EventStore) Load

func (s *EventStore) Load(ctx context.Context, aggregateType eh.AggregateType, id eh.UUID) ([]eh.Event, error)

Load loads all events for the aggregate id from the database. Returns ErrNoEventsFound if no events can be found.

func (*EventStore) Save

func (s *EventStore) Save(ctx context.Context, events []eh.Event, originalVersion int) error

Save appends all events in the event stream to the database.

type EventStoreConfig

type EventStoreConfig struct {
	TablePrefix string
	Region      string
	Endpoint    string
}

EventStoreConfig is a config for the DynamoDB event store.