Executes the specified runnable by first associating it with the currently executing {@code Subject} and then
dispatches the associated Runnable to the underlying target {@link Executor} instance.
@param command the runnable to associate with the currently executing subject and then to execute via the target
{@code Executor} instance.
Executes the specified runnable by first associating it with the currently executing {@code Subject} and then dispatches the associated Runnable to the underlying target {@link Executor} instance.
@param command the runnable to associate with the currently executing subject and then to execute via the target {@code Executor} instance.