internal static Task <T?> SingleOrDefaultAsync <T>(this IQueryable <T> queryable)
{
if (queryable is IMongoQueryable <T> mongoQueryable)
{
return(MongoQueryable.SingleOrDefaultAsync(mongoQueryable));
}
return(Task.FromResult(Queryable.SingleOrDefault(queryable)));
}
internal static Task <T?> SingleOrDefaultAsync <T>(this IQueryable <T> queryable, Expression <Func <T, bool> > filter)
{
if (queryable is IMongoQueryable <T> mongoQueryable)
{
return(MongoQueryable.SingleOrDefaultAsync(mongoQueryable, filter));
}
return(Task.FromResult(Queryable.SingleOrDefault(queryable, filter)));
}
public static async Task <T> SingleOrDefaultAsync <T>(this IQueryable <T> queryable)
{
if (queryable is IMongoQueryable <T> mongoQueryable)
{
return(await MongoQueryable.SingleOrDefaultAsync(mongoQueryable));
}
else
{
return(queryable.SingleOrDefault());
}
}
public static async Task <T> SingleOrDefaultAsync <T>(this IQueryable <T> queryable,
Expression <Func <T, bool> > predicate)
{
if (queryable is IMongoQueryable <T> mongoQueryable)
{
return(await MongoQueryable.SingleOrDefaultAsync(mongoQueryable, predicate));
}
else
{
return(queryable.SingleOrDefault(predicate));
}
}
public static Task <TEntity> SingleOrDefaultAsync <TEntity>(this IQueryable <TEntity> source, CancellationToken cancellationToken = default) => MongoQueryable.SingleOrDefaultAsync((IMongoQueryable <TEntity>)source, cancellationToken);