public void TruncateOrDelete <TEntity>(DeleteFromOptions deleteFromOptions = DeleteFromOptions.None)
where TEntity : class =>
Task.Run(async() =>
{
await TruncateHandler.TruncateAsync(Model.GetEntityType <TEntity>(), deleteFromOptions)
.ConfigureAwait(false);
}).GetAwaiter().GetResult();
protected async Task InternalTruncateAsync(IEntityType entityType, DeleteFromOptions options, CancellationToken cancellationToken)
{
var fkeys = entityType.GetReferencingForeignKeys().ToList();
if (fkeys.Any())
{
if (options.HasFlag(DeleteFromOptions.TruncateDependent))
{
foreach (var fkey in fkeys.Where(x => x.DeleteBehavior == DeleteBehavior.Cascade))
{
var dependentEntityType = fkey.DeclaringEntityType;
await InternalTruncateAsync(dependentEntityType, options, cancellationToken).ConfigureAwait(false);
}
}
await ExecuteDeleteAsync(entityType, cancellationToken).ConfigureAwait(false);
}
else
{
await ExecuteTruncateAsync(entityType, cancellationToken).ConfigureAwait(false);
}
}
public async Task TruncateAsync(IEntityType entityType, DeleteFromOptions options = DeleteFromOptions.None,
CancellationToken cancellationToken = default)
{
if (entityType is null)
{
throw new ArgumentNullException(nameof(entityType));
}
var transaction = _dbContext.Database.CurrentTransaction == null &&
options.HasFlag(DeleteFromOptions.UseTransaction)
? await _dbContext.Database.BeginTransactionAsync(cancellationToken).ConfigureAwait(false)
: null;
try
{
await InternalTruncateAsync(entityType, options, cancellationToken).ConfigureAwait(false);
transaction?.Commit();
}
finally
{
transaction?.Dispose();
}
}
public async Task TruncateOrDeleteAsync <TEntity>(DeleteFromOptions deleteFromOptions = DeleteFromOptions.None,
CancellationToken cancellationToken = default)
where TEntity : class =>
await TruncateHandler.TruncateAsync(Model.GetEntityType <TEntity>(), deleteFromOptions, cancellationToken)
.ConfigureAwait(false);
