Meta

public final class Meta

Meta is a factory class for creating the meta expressions that refer to the metadata properties of the document.

  • id

    A metadata expression refering to the ID of the document.

    Declaration

    Swift

    public static var id: MetaExpressionProtocol { get }

  • A metadata expression refering to the revisionID of the document.

    Declaration

    Swift

    public static var revisionID: MetaExpressionProtocol { get }

  • A metadata expression refering to the sequence number of the document. The sequence number indicates how recently the document has been changed. If one document’s sequence is greater than another’s, that means it was changed more recently.

    Declaration

    Swift

    public static var sequence: MetaExpressionProtocol { get }

  • A metadata expression referring to the deleted boolean flag of the document.

    Declaration

    Swift

    public static var isDeleted: MetaExpressionProtocol { get }

  • A metadata expression refering to the expiration timestamp of the document.

    Declaration

    Swift

    public static var expiration: MetaExpressionProtocol { get }