PerformanceAttributable

protocol PerformanceAttributable : NSObjectProtocol

Defines the interface that allows adding/removing attributes to any object.

  • List of attributes.

    Declaration

    Swift

    var attributes: [String : String] { get }
  • Sets a value as a string for the specified attribute. Updates the value of the attribute if a value had already existed.

    Declaration

    Swift

    func setValue(_ value: String, forAttribute attribute: String)

    Parameters

    value

    The value that needs to be set/updated for an attribute. If the length of the value exceeds the maximum allowed, the value will be truncated to the maximum allowed.

    attribute

    The name of the attribute. If the length of the value exceeds the maximum allowed, the value will be truncated to the maximum allowed.

  • Reads the value for the specified attribute. If the attribute does not exist, returns nil.

    Declaration

    Swift

    func value(forAttribute attribute: String) -> String?

    Parameters

    attribute

    The name of the attribute.

    Return Value

    The value for the attribute. Returns nil if the attribute does not exist.

  • Removes an attribute from the list. Does nothing if the attribute does not exist.

    Declaration

    Swift

    func removeAttribute(_ attribute: String)

    Parameters

    attribute

    The name of the attribute.