/// <summary>
/// Finishes configuring a projection creation handler for projections which do not exist yet
/// for events of type <typeparamref name="TEvent"/>
/// for projections of type <typeparamref name="TProjection"/> using context of type <typeparamref name="TContext"/>.
/// </summary>
/// <param name="eventActionBuilder">
/// The <see cref="ICreateIfDoesNotExistEventActionBuilder{TEvent,TProjection,TContext}"/>.
/// </param>
/// <param name="projector">
/// The asynchronous delegate that initializes the created projection.
/// Takes the projection and the event as the parameters.
/// </param>
public static void Using <TEvent, TProjection, TContext>(
this ICreateIfDoesNotExistEventActionBuilder <TEvent, TProjection, TContext> eventActionBuilder,
Func <TProjection, TEvent, Task> projector)
{
if (eventActionBuilder == null)
{
throw new ArgumentNullException(nameof(eventActionBuilder));
}
if (projector == null)
{
throw new ArgumentNullException(nameof(projector));
}
eventActionBuilder.Using((projection, anEvent, context) => projector(projection, anEvent));
}
/// <summary>
/// Finishes configuring a projection creation handler for projections which do not exist yet
/// for events of type <typeparamref name="TEvent"/>
/// for projections of type <typeparamref name="TProjection"/> using context of type <typeparamref name="TContext"/>.
/// </summary>
/// <param name="eventActionBuilder">
/// The <see cref="ICreateIfDoesNotExistEventActionBuilder{TEvent,TProjection,TContext}"/>.
/// </param>
/// <param name="projector">
/// The synchronous delegate that initializes the created projection.
/// Takes the projection and the event as the parameters.
/// </param>
public static void Using <TEvent, TProjection, TContext>(
this ICreateIfDoesNotExistEventActionBuilder <TEvent, TProjection, TContext> eventActionBuilder,
Action <TProjection, TEvent> projector)
{
if (eventActionBuilder == null)
{
throw new ArgumentNullException(nameof(eventActionBuilder));
}
if (projector == null)
{
throw new ArgumentNullException(nameof(projector));
}
eventActionBuilder.Using((projection, anEvent, context) =>
{
projector(projection, anEvent);
return(SpecializedTasks.FalseTask);
});
}
