/// <summary>
/// Waits until a saga exists with the specified correlationId
/// </summary>
/// <param name="sagaId"></param>
/// <param name="timeout"></param>
/// <returns></returns>
public async Task <Guid?> Exists(Guid sagaId, TimeSpan?timeout = default(TimeSpan?))
{
if (_querySagaRepository == null)
{
throw new InvalidOperationException("The repository does not support Query operations");
}
var giveUpAt = DateTime.Now + (timeout ?? _testTimeout);
while (DateTime.Now < giveUpAt)
{
var saga = (await _querySagaRepository.Where(x => x.CorrelationId == sagaId).ConfigureAwait(false)).FirstOrDefault();
if (saga != Guid.Empty)
{
return(saga);
}
await Task.Delay(10).ConfigureAwait(false);
}
return(default(Guid?));
}
public static async Task <Guid?> ShouldContainSaga <TSaga>(this IQuerySagaRepository <TSaga> repository, Guid sagaId, TimeSpan timeout)
where TSaga : class, ISaga
{
DateTime giveUpAt = DateTime.Now + timeout;
while (DateTime.Now < giveUpAt)
{
Guid saga = (await repository.Where(x => x.CorrelationId == sagaId).ConfigureAwait(false)).FirstOrDefault();
if (saga != Guid.Empty)
{
return(saga);
}
await Task.Delay(10).ConfigureAwait(false);
}
return(default);
public static async Task <Guid?> ShouldContainSaga <TSaga>(this IQuerySagaRepository <TSaga> repository,
Expression <Func <TSaga, bool> > filter,
TimeSpan timeout)
where TSaga : class, ISaga
{
DateTime giveUpAt = DateTime.Now + timeout;
var query = new SagaQuery <TSaga>(filter);
while (DateTime.Now < giveUpAt)
{
var sagas = (await repository.Where(query.FilterExpression).ConfigureAwait(false)).ToList();
if (sagas.Count > 0)
{
return(sagas.Single());
}
await Task.Delay(10).ConfigureAwait(false);
}
return(default(Guid?));
}