datastore

type DataStore interface {

	// WriteInstance persists the given instance to the underlying storage
	WriteInstance(instance service.ServiceInstance) error

	// GetInstance retrieves a persisted instance from the underlying storage by
	// instance id
	GetInstance(instanceID string) (service.ServiceInstance, bool, error)

	// DeleteInstance deletes a persisted instance from the underlying storage by
	// instance id
	DeleteInstance(instanceID string) (bool, error)

	// TestConnection tests the connection to the underlying database (if there
	// is one)
	TestConnection() error
}