/// <summary>
/// Registers a command handler for the specified command type.
/// </summary>
/// <typeparam name="TTarget">The type of the command target.</typeparam>
/// <typeparam name="TCommand">The type of the command.</typeparam>
/// <param name="configuration">The configuration.</param>
/// <param name="enactCommand">A delegate to enact the command when it has passed authorization and validation checks.</param>
/// <param name="handleScheduledCommandException">A delegate to handle errors that occur when a scheduled command is delivered.</param>
public static Configuration UseCommandHandler <TTarget, TCommand>(
this Configuration configuration,
EnactCommand <TTarget, TCommand> enactCommand,
HandleScheduledCommandException <TTarget, TCommand> handleScheduledCommandException = null)
where TCommand : class, ICommand <TTarget>
{
configuration.Container
.Register <ICommandHandler <TTarget, TCommand> >(
c =>
new AnonymousCommandHandler <TTarget, TCommand>(enactCommand, handleScheduledCommandException));
return(configuration);
}
public AnonymousCommandHandler(
EnactCommand <TTarget, TCommand> enactCommand,
HandleScheduledCommandException <TTarget, TCommand> handleScheduledCommandException = null)
{
if (enactCommand == null)
{
throw new ArgumentNullException(nameof(enactCommand));
}
this.enactCommand = enactCommand;
this.handleScheduledCommandException = handleScheduledCommandException ??
((target, command) => Task.FromResult(Unit.Default));
}
