mongodb_v2

package
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Published: Sep 28, 2021 License: Apache-2.0 Imports: 12 Imported by: 0

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Types

type EventStore

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

EventStore is an eventhorizon.EventStore for MongoDB, using one collection for all events and another to keep track of all aggregates/streams. It also keep tracks of the global position of events, stored as metadata.

func NewEventStore

func NewEventStore(uri, dbName string, options ...Option) (*EventStore, error)

NewEventStore creates a new EventStore with a MongoDB URI: `mongodb://hostname`.

func NewEventStoreWithClient

func NewEventStoreWithClient(client *mongo.Client, dbName string, options ...Option) (*EventStore, error)

NewEventStoreWithClient creates a new EventStore with a client.

func (*EventStore) Clear

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

Clear clears the event storage.

func (*EventStore) Close

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

Close closes the database client.

func (*EventStore) Load

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

Load implements the Load method of the eventhorizon.EventStore interface.

func (*EventStore) RenameEvent

func (s *EventStore) RenameEvent(ctx context.Context, from, to eh.EventType) error

RenameEvent implements the RenameEvent method of the eventhorizon.EventStore interface.

func (*EventStore) Replace

func (s *EventStore) Replace(ctx context.Context, event eh.Event) error

Replace implements the Replace method of the eventhorizon.EventStore interface.

func (*EventStore) Save

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

Save implements the Save method of the eventhorizon.EventStore interface.

type Option

type Option func(*EventStore) error

Option is an option setter used to configure creation.

func WithEventHandler

func WithEventHandler(h eh.EventHandler) Option

WithEventHandler adds an event handler that will be called when saving events. An example would be to add an event bus to publish events.

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