Parallel.ForEachAsync 方法
定义
重要
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重载
ForEachAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask>)
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
for-each对可以并行运行的迭代执行操作IEnumerable<T>。
public:
generic <typename TSource>
static System::Threading::Tasks::Task ^ ForEachAsync(System::Collections::Generic::IAsyncEnumerable<TSource> ^ source, Func<TSource, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask> ^ body);public static System.Threading.Tasks.Task ForEachAsync<TSource>(System.Collections.Generic.IAsyncEnumerable<TSource> source, Func<TSource,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask> body);static member ForEachAsync : System.Collections.Generic.IAsyncEnumerable<'Source> * Func<'Source, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask> -> System.Threading.Tasks.TaskPublic Shared Function ForEachAsync(Of TSource) (source As IAsyncEnumerable(Of TSource), body As Func(Of TSource, CancellationToken, ValueTask)) As Task类型参数
- TSource
源中的数据的类型。
参数
- source
- IAsyncEnumerable<TSource>
可枚举数据源。
- body
- Func<TSource,CancellationToken,ValueTask>
每个数据源中的元素调用一次的异步委托。
返回
表示整个 for-each 操作的任务。
例外
source 或 body 为 null.
注解
该操作将并行执行大多数 ProcessorCount 操作。
适用于
ForEachAsync<TSource>(IEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask>)
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
for-each对可以并行运行的迭代执行操作IEnumerable<T>。
public:
generic <typename TSource>
static System::Threading::Tasks::Task ^ ForEachAsync(System::Collections::Generic::IEnumerable<TSource> ^ source, Func<TSource, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask> ^ body);public static System.Threading.Tasks.Task ForEachAsync<TSource>(System.Collections.Generic.IEnumerable<TSource> source, Func<TSource,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask> body);static member ForEachAsync : seq<'Source> * Func<'Source, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask> -> System.Threading.Tasks.TaskPublic Shared Function ForEachAsync(Of TSource) (source As IEnumerable(Of TSource), body As Func(Of TSource, CancellationToken, ValueTask)) As Task类型参数
- TSource
源中的数据的类型。
参数
- source
- IEnumerable<TSource>
可枚举数据源。
- body
- Func<TSource,CancellationToken,ValueTask>
每个数据源中的元素调用一次的异步委托。
返回
表示整个 for-each 操作的任务。
例外
source 或 body 为 null.
注解
该操作将并行执行大多数 ProcessorCount 操作。
适用于
ForEachAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken, Func<TSource,CancellationToken,ValueTask>)
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
for-each对可以并行运行的迭代执行操作IEnumerable<T>。
public:
generic <typename TSource>
static System::Threading::Tasks::Task ^ ForEachAsync(System::Collections::Generic::IAsyncEnumerable<TSource> ^ source, System::Threading::CancellationToken cancellationToken, Func<TSource, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask> ^ body);public static System.Threading.Tasks.Task ForEachAsync<TSource>(System.Collections.Generic.IAsyncEnumerable<TSource> source, System.Threading.CancellationToken cancellationToken, Func<TSource,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask> body);static member ForEachAsync : System.Collections.Generic.IAsyncEnumerable<'Source> * System.Threading.CancellationToken * Func<'Source, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask> -> System.Threading.Tasks.TaskPublic Shared Function ForEachAsync(Of TSource) (source As IAsyncEnumerable(Of TSource), cancellationToken As CancellationToken, body As Func(Of TSource, CancellationToken, ValueTask)) As Task类型参数
- TSource
源中的数据的类型。
参数
- source
- IAsyncEnumerable<TSource>
可枚举数据源。
- cancellationToken
- CancellationToken
可用于取消操作的 for-each 取消令牌。
- body
- Func<TSource,CancellationToken,ValueTask>
每个数据源中的元素调用一次的异步委托。
返回
表示整个 for-each 操作的任务。
例外
source 或 body 为 null.
取消令牌已取消。 此异常存储在返回的任务中。
注解
该操作将并行执行大多数 ProcessorCount 操作。
适用于
ForEachAsync<TSource>(IAsyncEnumerable<TSource>, ParallelOptions, Func<TSource,CancellationToken,ValueTask>)
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
for-each对可以并行运行的迭代执行操作IEnumerable<T>。
public:
generic <typename TSource>
static System::Threading::Tasks::Task ^ ForEachAsync(System::Collections::Generic::IAsyncEnumerable<TSource> ^ source, System::Threading::Tasks::ParallelOptions ^ parallelOptions, Func<TSource, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask> ^ body);public static System.Threading.Tasks.Task ForEachAsync<TSource>(System.Collections.Generic.IAsyncEnumerable<TSource> source, System.Threading.Tasks.ParallelOptions parallelOptions, Func<TSource,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask> body);static member ForEachAsync : System.Collections.Generic.IAsyncEnumerable<'Source> * System.Threading.Tasks.ParallelOptions * Func<'Source, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask> -> System.Threading.Tasks.TaskPublic Shared Function ForEachAsync(Of TSource) (source As IAsyncEnumerable(Of TSource), parallelOptions As ParallelOptions, body As Func(Of TSource, CancellationToken, ValueTask)) As Task类型参数
- TSource
源中的数据的类型。
参数
- source
- IAsyncEnumerable<TSource>
可枚举数据源。
- parallelOptions
- ParallelOptions
一个对象，用于配置此操作的行为。
- body
- Func<TSource,CancellationToken,ValueTask>
每个数据源中的元素调用一次的异步委托。
返回
表示整个 for-each 操作的任务。
例外
source 或 body 为 null.
适用于
ForEachAsync<TSource>(IEnumerable<TSource>, CancellationToken, Func<TSource,CancellationToken,ValueTask>)
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
for-each对可以并行运行的迭代执行操作IEnumerable<T>。
public:
generic <typename TSource>
static System::Threading::Tasks::Task ^ ForEachAsync(System::Collections::Generic::IEnumerable<TSource> ^ source, System::Threading::CancellationToken cancellationToken, Func<TSource, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask> ^ body);public static System.Threading.Tasks.Task ForEachAsync<TSource>(System.Collections.Generic.IEnumerable<TSource> source, System.Threading.CancellationToken cancellationToken, Func<TSource,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask> body);static member ForEachAsync : seq<'Source> * System.Threading.CancellationToken * Func<'Source, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask> -> System.Threading.Tasks.TaskPublic Shared Function ForEachAsync(Of TSource) (source As IEnumerable(Of TSource), cancellationToken As CancellationToken, body As Func(Of TSource, CancellationToken, ValueTask)) As Task类型参数
- TSource
源中的数据的类型。
参数
- source
- IEnumerable<TSource>
可枚举数据源。
- cancellationToken
- CancellationToken
可用于取消操作的 for-each 取消令牌。
- body
- Func<TSource,CancellationToken,ValueTask>
每个数据源中的元素调用一次的异步委托。
返回
表示整个 for-each 操作的任务。
例外
source 或 body 为 null.
取消令牌已取消。 此异常存储在返回的任务中。
注解
该操作将并行执行大多数 ProcessorCount 操作。
适用于
ForEachAsync<TSource>(IEnumerable<TSource>, ParallelOptions, Func<TSource,CancellationToken,ValueTask>)
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
- Source:
- Parallel.ForEachAsync.cs
for-each对可以并行运行的迭代执行操作IEnumerable<T>。
public:
generic <typename TSource>
static System::Threading::Tasks::Task ^ ForEachAsync(System::Collections::Generic::IEnumerable<TSource> ^ source, System::Threading::Tasks::ParallelOptions ^ parallelOptions, Func<TSource, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask> ^ body);public static System.Threading.Tasks.Task ForEachAsync<TSource>(System.Collections.Generic.IEnumerable<TSource> source, System.Threading.Tasks.ParallelOptions parallelOptions, Func<TSource,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask> body);static member ForEachAsync : seq<'Source> * System.Threading.Tasks.ParallelOptions * Func<'Source, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask> -> System.Threading.Tasks.TaskPublic Shared Function ForEachAsync(Of TSource) (source As IEnumerable(Of TSource), parallelOptions As ParallelOptions, body As Func(Of TSource, CancellationToken, ValueTask)) As Task类型参数
- TSource
源中的数据的类型。
参数
- source
- IEnumerable<TSource>
可枚举数据源。
- parallelOptions
- ParallelOptions
一个对象，用于配置此操作的行为。
- body
- Func<TSource,CancellationToken,ValueTask>
每个数据源中的元素调用一次的异步委托。
返回
表示整个 for-each 操作的任务。
例外
source 或 body 为 null.
