UpdateNotificationModifier

public final class UpdateNotificationModifier<
    A: UpdateEndpoint>:
UpdateEndpoint, RestEndpointModifier where A.QuerySubject: NotificationProtocol

A class that wraps a component which utilizes a .notify() modifier. That allows Corvus to chain modifiers, as it gets treated as any other struct conforming to CreateEndpoint. Requires an object A that represents the message to send.

  • The return type for the .handler() modifier.

    Declaration

    Swift

    public typealias Element = A.Element

  • The return value of the .query(), so the type being operated on in the current component.

    Declaration

    Swift

    public typealias QuerySubject = A.QuerySubject

  • The instance of Endpoint the UpdateNotificationModifier is modifying.

    Declaration

    Swift

    public let modifiedEndpoint: A

  • Initializes the modifier with its underlying QueryEndpoint

    Declaration

    Swift

    public init(_ notificationEndpoint: A)

    Parameters

    notificationEndpoint

    The QueryEndpoint to which the modifer is attached.

  • A default implementation of .query() for components that do not require customized database queries.

    Throws

    An error if something goes wrong.

    Declaration

    Swift

    public func query(_ req: Request) throws -> QueryBuilder<QuerySubject>

    Parameters

    req

    The incoming Request.

    Return Value

    A QueryBuilder object for further querying.

  • A method which sends the message supplied in the Requestas a push notification.

    Throws

    An error if something goes wrong.

    Declaration

    Swift

    public func handler(_ req: Request) throws -> EventLoopFuture<Element>

    Parameters

    req

    An incoming Request.

    Return Value

    An EventLoopFuture containing an eagerloaded value as defined by Element.