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@ -237,10 +237,18 @@ namespace Microsoft.eShopOnContainers.Services.Ordering.Infrastructure |
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public async Task<int> SaveEntitiesAsync(CancellationToken cancellationToken = default(CancellationToken)) |
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public async Task<int> SaveEntitiesAsync(CancellationToken cancellationToken = default(CancellationToken)) |
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{ |
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{ |
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// Dispatch Domain Events collection.
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// Choices:
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// A) Right BEFORE committing data (EF SaveChanges) into the DB will make a single transaction including
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// side effects from the domain event handlers which are using the same DbContext with "InstancePerLifetimeScope" or "scoped" lifetime
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// B) Right AFTER committing data (EF SaveChanges) into the DB will make multiple transactions.
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// You will need to handle eventual consistency and compensatory actions in case of failures in any of the Handlers.
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await _mediator.DispatchDomainEventsAsync(this); |
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// After executing this line all the changes performed thought the DbContext will be commited
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var result = await base.SaveChangesAsync(); |
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var result = await base.SaveChangesAsync(); |
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// Dispatch the Domain Events collection right after saving/committing data into the database
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await _mediator.DispatchDomainEventsAsync(this); |
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return result; |
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return result; |
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} |
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} |
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} |
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} |
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