Gets a value indicating whether this instance has immutable result.

Gets the immutable result.

Returns true if the work item has been canceled.

Returns true if the work item result is valid in the live document. This will be false if the worker model changed after the work item was added to the dispatcher.

Gets the associated worker model generation. This can be used by the worker to cache information based on the worker model state. Should be avoided whenever possible. Caching should instead be handled via the caching behavior, the model key and item key functions of the worker factory.

Gets or sets a tag object. The tag object can be used to associate information with the work item.