C# (CSharp) EntityFrameworkQueryableExtensions.FirstAsyncの例

コード例 #1

 public Task <TSource> FirstAsync <TSource>(IQueryable <TSource> source, Expression <Func <TSource, bool> > predicate, CancellationToken cancellationToken = default(CancellationToken))
 {
     return(EntityFrameworkQueryableExtensions.FirstAsync(source, predicate, cancellationToken));
 }

コード例 #2

ファイル: EfCoreQueryableExtensions.cs プロジェクト: swisspush/silverback

 public Task <TSource> FirstAsync <TSource>(
     IQueryable <TSource> source,
     CancellationToken cancellationToken = default) =>
 EntityFrameworkQueryableExtensions.FirstAsync(source, cancellationToken);

コード例 #3

ファイル: QueryableExtensionsTest.cs プロジェクト: ctaggart/EntityFramework

        public async Task Extension_methods_validate_arguments()
        {
            // ReSharper disable AssignNullToNotNullAttribute

            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.FirstAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.FirstAsync <int>(null, s => true));
            await ArgumentNullTest("predicate", () => Source().FirstAsync(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.FirstOrDefaultAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.FirstOrDefaultAsync <int>(null, s => true));
            await ArgumentNullTest("predicate", () => Source().FirstOrDefaultAsync(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.SingleAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.SingleAsync <int>(null, s => true));
            await ArgumentNullTest("predicate", () => Source().SingleAsync(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.SingleOrDefaultAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.SingleOrDefaultAsync <int>(null, s => true));
            await ArgumentNullTest("predicate", () => Source().SingleOrDefaultAsync(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.ContainsAsync(null, 1));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.ContainsAsync(null, 1, new CancellationToken()));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.AnyAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.AnyAsync <int>(null, s => true));
            await ArgumentNullTest("predicate", () => Source().AnyAsync(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.AllAsync <int>(null, s => true));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.AllAsync <int>(null, s => true, new CancellationToken()));
            await ArgumentNullTest("predicate", () => Source().AllAsync(null));
            await ArgumentNullTest("predicate", () => Source().AllAsync(null, new CancellationToken()));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.CountAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.CountAsync <int>(null, s => true));
            await ArgumentNullTest("predicate", () => Source().CountAsync(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.LongCountAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.LongCountAsync <int>(null, new CancellationToken()));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.LongCountAsync <int>(null, s => true));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.LongCountAsync <int>(null, s => true, new CancellationToken()));
            await ArgumentNullTest("predicate", () => Source().LongCountAsync(null));
            await ArgumentNullTest("predicate", () => Source().LongCountAsync(null, new CancellationToken()));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MinAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MinAsync <int>(null, new CancellationToken()));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MinAsync <int, bool>(null, s => true));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MinAsync <int, bool>(null, s => true, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source().MinAsync <int, bool>(null));
            await ArgumentNullTest("selector", () => Source().MinAsync <int, bool>(null, new CancellationToken()));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MaxAsync <int>(null));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MaxAsync <int>(null, new CancellationToken()));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MaxAsync <int, bool>(null, s => true));
            await ArgumentNullTest("source", () => EntityFrameworkQueryableExtensions.MaxAsync <int, bool>(null, s => true, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source().MaxAsync <int, bool>(null));
            await ArgumentNullTest("selector", () => Source().MaxAsync <int, bool>(null, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <int>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <int?>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <long>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <long?>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <float>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <float?>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <double>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <double?>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <decimal>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <decimal?>)null).SumAsync());
            await ArgumentNullTest("source", () => ((IQueryable <int>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <int>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <int?>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <int?>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <long>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <long>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <long?>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <long?>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <float>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <float>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <float?>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <float?>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <double>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <double>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <double?>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <double?>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <decimal>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <decimal>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <decimal?>)null).SumAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <decimal?>)null).SumAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <int>().SumAsync((Expression <Func <int, int> >)null));
            await ArgumentNullTest("selector", () => Source <int?>().SumAsync((Expression <Func <int?, int> >)null));
            await ArgumentNullTest("selector", () => Source <long>().SumAsync((Expression <Func <long, int> >)null));
            await ArgumentNullTest("selector", () => Source <long?>().SumAsync((Expression <Func <long?, int> >)null));
            await ArgumentNullTest("selector", () => Source <float>().SumAsync((Expression <Func <float, int> >)null));
            await ArgumentNullTest("selector", () => Source <float?>().SumAsync((Expression <Func <float?, int> >)null));
            await ArgumentNullTest("selector", () => Source <double>().SumAsync((Expression <Func <double, int> >)null));
            await ArgumentNullTest("selector", () => Source <double?>().SumAsync((Expression <Func <double?, int> >)null));
            await ArgumentNullTest("selector", () => Source <decimal>().SumAsync((Expression <Func <decimal, int> >)null));
            await ArgumentNullTest("selector", () => Source <decimal?>().SumAsync((Expression <Func <decimal?, int> >)null));
            await ArgumentNullTest("source", () => ((IQueryable <int>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <int>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <int?>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <int?>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <long>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <long>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <long?>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <long?>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <float>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <float>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <float?>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <float?>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <double>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <double>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <double?>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <double?>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <decimal>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <decimal>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <decimal?>)null).AverageAsync());
            await ArgumentNullTest("source", () => ((IQueryable <decimal?>)null).AverageAsync(new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <int>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <int>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <int?>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <int?>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <long>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <long>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <long?>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <long?>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <float>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <float>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <float?>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <float?>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <double>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <double>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <double?>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <double?>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <decimal>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <decimal>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("source", () => ((IQueryable <decimal?>)null).AverageAsync(i => 0));
            await ArgumentNullTest("source", () => ((IQueryable <decimal?>)null).AverageAsync(i => 0, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <int>().AverageAsync((Expression <Func <int, int> >)null));
            await ArgumentNullTest("selector", () => Source <int>().AverageAsync((Expression <Func <int, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <int?>().AverageAsync((Expression <Func <int?, int> >)null));
            await ArgumentNullTest("selector", () => Source <int?>().AverageAsync((Expression <Func <int?, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <long>().AverageAsync((Expression <Func <long, int> >)null));
            await ArgumentNullTest("selector", () => Source <long>().AverageAsync((Expression <Func <long, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <long?>().AverageAsync((Expression <Func <long?, int> >)null));
            await ArgumentNullTest("selector", () => Source <long?>().AverageAsync((Expression <Func <long?, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <float>().AverageAsync((Expression <Func <float, int> >)null));
            await ArgumentNullTest("selector", () => Source <float>().AverageAsync((Expression <Func <float, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <float?>().AverageAsync((Expression <Func <float?, int> >)null));
            await ArgumentNullTest("selector", () => Source <float?>().AverageAsync((Expression <Func <float?, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <double>().AverageAsync((Expression <Func <double, int> >)null));
            await ArgumentNullTest("selector", () => Source <double>().AverageAsync((Expression <Func <double, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <double?>().AverageAsync((Expression <Func <double?, int> >)null));
            await ArgumentNullTest("selector", () => Source <double?>().AverageAsync((Expression <Func <double?, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <decimal>().AverageAsync((Expression <Func <decimal, int> >)null));
            await ArgumentNullTest("selector", () => Source <decimal>().AverageAsync((Expression <Func <decimal, int> >)null, new CancellationToken()));
            await ArgumentNullTest("selector", () => Source <decimal?>().AverageAsync((Expression <Func <decimal?, int> >)null));
            await ArgumentNullTest("selector", () => Source <decimal?>().AverageAsync((Expression <Func <decimal?, int> >)null, new CancellationToken()));

            // ReSharper restore AssignNullToNotNullAttribute
        }

コード例 #4

 /// <inheritdoc cref="EntityFrameworkQueryableExtensions.FirstAsync{TSource}(IQueryable{TSource}, Expression{Func{TSource, bool}}, CancellationToken)"/>
 public static Task <TSource> FirstAsyncEF <TSource>(
     this IQueryable <TSource> source,
     Expression <Func <TSource, bool> > predicate,
     CancellationToken cancellationToken = default)
 => EntityFrameworkQueryableExtensions.FirstAsync(source, predicate, cancellationToken);

コード例 #5

 /// <inheritdoc cref="EntityFrameworkQueryableExtensions.FirstAsync{TSource}(IQueryable{TSource}, CancellationToken)"/>
 public static Task <TSource> FirstAsyncEF <TSource>(
     this IQueryable <TSource> source,
     CancellationToken token = default)
 => EntityFrameworkQueryableExtensions.FirstAsync(source, token);

コード例 #6

 /// <inheritdoc cref="EntityFrameworkQueryableExtensions.FirstAsync{TSource}(IQueryable{TSource}, Expression{Func{TSource, bool}}, CancellationToken)"/>
 public Task <TSource> FirstAsync <TSource>(
     IQueryable <TSource> source,
     Expression <Func <TSource, bool> > predicate,
     CancellationToken token)
 => EntityFrameworkQueryableExtensions.FirstAsync(source, predicate, token);

コード例 #7

ファイル: EfAsyncQueryExecutioner.cs プロジェクト: juliansprt/cybtans-sdk

 public Task <T> FirstAsync <T>(IQueryable <T> query, Expression <Func <T, bool> > predicate)
 {
     return(EntityFrameworkQueryableExtensions.FirstAsync(query, predicate));
 }

コード例 #8

ファイル: EfAsyncQueryExecutioner.cs プロジェクト: juliansprt/cybtans-sdk

 public Task <T> FirstAsync <T>(IQueryable <T> query)
 {
     return(EntityFrameworkQueryableExtensions.FirstAsync(query));
 }