ParallelEnumerable.Join ParallelEnumerable.Join ParallelEnumerable.Join ParallelEnumerable.Join Method

Definition

Correlates in parallel the elements of two sequences based on matching keys.

Overloads

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)

This Join overload should never be called. This method is marked as obsolete and always throws NotSupportedException when invoked.

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)

Correlates in parallel the elements of two sequences based on matching keys. The default equality comparer is used to compare keys.

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)

This Join overload should never be called. This method is marked as obsolete and always throws NotSupportedException when invoked.

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)

Correlates in parallel the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys.

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)

Warning

This API is now obsolete.

This Join overload should never be called. This method is marked as obsolete and always throws NotSupportedException when invoked.

public:
generic <typename TOuter, typename TInner, typename TKey, typename TResult>
[System::Runtime::CompilerServices::Extension]
 static System::Linq::ParallelQuery<TResult> ^ Join(System::Linq::ParallelQuery<TOuter> ^ outer, System::Collections::Generic::IEnumerable<TInner> ^ inner, Func<TOuter, TKey> ^ outerKeySelector, Func<TInner, TKey> ^ innerKeySelector, Func<TOuter, TInner, TResult> ^ resultSelector);
[System.Obsolete("The second data source of a binary operator must be of type System.Linq.ParallelQuery<T> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel() extension method to convert the right data source to System.Linq.ParallelQuery<T>.")]
public static System.Linq.ParallelQuery<TResult> Join<TOuter,TInner,TKey,TResult> (this System.Linq.ParallelQuery<TOuter> outer, System.Collections.Generic.IEnumerable<TInner> inner, Func<TOuter,TKey> outerKeySelector, Func<TInner,TKey> innerKeySelector, Func<TOuter,TInner,TResult> resultSelector);
static member Join : System.Linq.ParallelQuery<'Outer> * seq<'Inner> * Func<'Outer, 'Key> * Func<'Inner, 'Key> * Func<'Outer, 'Inner, 'Result> -> System.Linq.ParallelQuery<'Result>
<Extension()>
Public Function Join(Of TOuter, TInner, TKey, TResult) (outer As ParallelQuery(Of TOuter), inner As IEnumerable(Of TInner), outerKeySelector As Func(Of TOuter, TKey), innerKeySelector As Func(Of TInner, TKey), resultSelector As Func(Of TOuter, TInner, TResult)) As ParallelQuery(Of TResult)

Type Parameters

TOuter

This type parameter is not used.

TInner

This type parameter is not used.

TKey

This type parameter is not used.

TResult

This type parameter is not used.

Parameters

outer
ParallelQuery<TOuter>

This parameter is not used.

inner
IEnumerable<TInner>

This parameter is not used.

outerKeySelector
Func<TOuter,TKey>

This parameter is not used.

innerKeySelector
Func<TInner,TKey>

This parameter is not used.

resultSelector
Func<TOuter,TInner,TResult>

This parameter is not used.

Returns

ParallelQuery<TResult>

This overload always throws a NotSupportedException.

Exceptions

The exception that occurs when this method is called.

Remarks

This overload exists to disallow usage Join with a left data source of type ParallelQuery<TSource> and a right data source of type IEnumerable<T>. Otherwise, the Join operator would appear to be binding to the parallel implementation, but would in reality bind to the sequential implementation.

See also

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>)

Correlates in parallel the elements of two sequences based on matching keys. The default equality comparer is used to compare keys.

public:
generic <typename TOuter, typename TInner, typename TKey, typename TResult>
[System::Runtime::CompilerServices::Extension]
 static System::Linq::ParallelQuery<TResult> ^ Join(System::Linq::ParallelQuery<TOuter> ^ outer, System::Linq::ParallelQuery<TInner> ^ inner, Func<TOuter, TKey> ^ outerKeySelector, Func<TInner, TKey> ^ innerKeySelector, Func<TOuter, TInner, TResult> ^ resultSelector);
public static System.Linq.ParallelQuery<TResult> Join<TOuter,TInner,TKey,TResult> (this System.Linq.ParallelQuery<TOuter> outer, System.Linq.ParallelQuery<TInner> inner, Func<TOuter,TKey> outerKeySelector, Func<TInner,TKey> innerKeySelector, Func<TOuter,TInner,TResult> resultSelector);
static member Join : System.Linq.ParallelQuery<'Outer> * System.Linq.ParallelQuery<'Inner> * Func<'Outer, 'Key> * Func<'Inner, 'Key> * Func<'Outer, 'Inner, 'Result> -> System.Linq.ParallelQuery<'Result>
<Extension()>
Public Function Join(Of TOuter, TInner, TKey, TResult) (outer As ParallelQuery(Of TOuter), inner As ParallelQuery(Of TInner), outerKeySelector As Func(Of TOuter, TKey), innerKeySelector As Func(Of TInner, TKey), resultSelector As Func(Of TOuter, TInner, TResult)) As ParallelQuery(Of TResult)

Type Parameters

TOuter

The type of the elements of the first sequence.

TInner

The type of the elements of the second sequence.

TKey

The type of the keys returned by the key selector functions.

TResult

The type of the result elements.

Parameters

outer
ParallelQuery<TOuter>

The first sequence to join.

inner
ParallelQuery<TInner>

The sequence to join to the first sequence.

outerKeySelector
Func<TOuter,TKey>

A function to extract the join key from each element of the first sequence.

innerKeySelector
Func<TInner,TKey>

A function to extract the join key from each element of the second sequence.

resultSelector
Func<TOuter,TInner,TResult>

A function to create a result element from two matching elements.

Returns

ParallelQuery<TResult>

A sequence that has elements of type TResult that are obtained by performing an inner join on two sequences.

Exceptions

The query was canceled with the token passed in through WithCancellation.

source or action is a null reference (Nothing in Visual Basic).

One or more exceptions occurred during the evaluation of the query.

See also

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, IEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)

Warning

This API is now obsolete.

This Join overload should never be called. This method is marked as obsolete and always throws NotSupportedException when invoked.

public:
generic <typename TOuter, typename TInner, typename TKey, typename TResult>
[System::Runtime::CompilerServices::Extension]
 static System::Linq::ParallelQuery<TResult> ^ Join(System::Linq::ParallelQuery<TOuter> ^ outer, System::Collections::Generic::IEnumerable<TInner> ^ inner, Func<TOuter, TKey> ^ outerKeySelector, Func<TInner, TKey> ^ innerKeySelector, Func<TOuter, TInner, TResult> ^ resultSelector, System::Collections::Generic::IEqualityComparer<TKey> ^ comparer);
[System.Obsolete("The second data source of a binary operator must be of type System.Linq.ParallelQuery<T> rather than System.Collections.Generic.IEnumerable<T>. To fix this problem, use the AsParallel() extension method to convert the right data source to System.Linq.ParallelQuery<T>.")]
public static System.Linq.ParallelQuery<TResult> Join<TOuter,TInner,TKey,TResult> (this System.Linq.ParallelQuery<TOuter> outer, System.Collections.Generic.IEnumerable<TInner> inner, Func<TOuter,TKey> outerKeySelector, Func<TInner,TKey> innerKeySelector, Func<TOuter,TInner,TResult> resultSelector, System.Collections.Generic.IEqualityComparer<TKey> comparer);
static member Join : System.Linq.ParallelQuery<'Outer> * seq<'Inner> * Func<'Outer, 'Key> * Func<'Inner, 'Key> * Func<'Outer, 'Inner, 'Result> * System.Collections.Generic.IEqualityComparer<'Key> -> System.Linq.ParallelQuery<'Result>
<Extension()>
Public Function Join(Of TOuter, TInner, TKey, TResult) (outer As ParallelQuery(Of TOuter), inner As IEnumerable(Of TInner), outerKeySelector As Func(Of TOuter, TKey), innerKeySelector As Func(Of TInner, TKey), resultSelector As Func(Of TOuter, TInner, TResult), comparer As IEqualityComparer(Of TKey)) As ParallelQuery(Of TResult)

Type Parameters

TOuter

This type parameter is not used.

TInner

This type parameter is not used.

TKey

This type parameter is not used.

TResult

This type parameter is not used.

Parameters

outer
ParallelQuery<TOuter>

This parameter is not used.

inner
IEnumerable<TInner>

This parameter is not used.

outerKeySelector
Func<TOuter,TKey>

This parameter is not used.

innerKeySelector
Func<TInner,TKey>

This parameter is not used.

resultSelector
Func<TOuter,TInner,TResult>

This parameter is not used.

comparer
IEqualityComparer<TKey>

This parameter is not used.

Returns

ParallelQuery<TResult>

This overload always throws a NotSupportedException.

Exceptions

The exception that occurs when this method is called.

Remarks

This overload exists to disallow usage of Join with a left data source of type ParallelQuery<TSource> and a right data source of type IEnumerable<T>. Otherwise, the Join operator would appear to be binding to the parallel implementation, but would in reality bind to the sequential implementation.

See also

Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>) Join<TOuter,TInner,TKey,TResult>(ParallelQuery<TOuter>, ParallelQuery<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)

Correlates in parallel the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys.

public:
generic <typename TOuter, typename TInner, typename TKey, typename TResult>
[System::Runtime::CompilerServices::Extension]
 static System::Linq::ParallelQuery<TResult> ^ Join(System::Linq::ParallelQuery<TOuter> ^ outer, System::Linq::ParallelQuery<TInner> ^ inner, Func<TOuter, TKey> ^ outerKeySelector, Func<TInner, TKey> ^ innerKeySelector, Func<TOuter, TInner, TResult> ^ resultSelector, System::Collections::Generic::IEqualityComparer<TKey> ^ comparer);
public static System.Linq.ParallelQuery<TResult> Join<TOuter,TInner,TKey,TResult> (this System.Linq.ParallelQuery<TOuter> outer, System.Linq.ParallelQuery<TInner> inner, Func<TOuter,TKey> outerKeySelector, Func<TInner,TKey> innerKeySelector, Func<TOuter,TInner,TResult> resultSelector, System.Collections.Generic.IEqualityComparer<TKey> comparer);
static member Join : System.Linq.ParallelQuery<'Outer> * System.Linq.ParallelQuery<'Inner> * Func<'Outer, 'Key> * Func<'Inner, 'Key> * Func<'Outer, 'Inner, 'Result> * System.Collections.Generic.IEqualityComparer<'Key> -> System.Linq.ParallelQuery<'Result>
<Extension()>
Public Function Join(Of TOuter, TInner, TKey, TResult) (outer As ParallelQuery(Of TOuter), inner As ParallelQuery(Of TInner), outerKeySelector As Func(Of TOuter, TKey), innerKeySelector As Func(Of TInner, TKey), resultSelector As Func(Of TOuter, TInner, TResult), comparer As IEqualityComparer(Of TKey)) As ParallelQuery(Of TResult)

Type Parameters

TOuter

The type of the elements of the first sequence.

TInner

The type of the elements of the second sequence.

TKey

The type of the keys returned by the key selector functions.

TResult

The type of the result elements.

Parameters

outer
ParallelQuery<TOuter>

The first sequence to join.

inner
ParallelQuery<TInner>

The sequence to join to the first sequence.

outerKeySelector
Func<TOuter,TKey>

A function to extract the join key from each element of the first sequence.

innerKeySelector
Func<TInner,TKey>

A function to extract the join key from each element of the second sequence.

resultSelector
Func<TOuter,TInner,TResult>

A function to create a result element from two matching elements.

comparer
IEqualityComparer<TKey>

An IEqualityComparer<T> to hash and compare keys.

Returns

ParallelQuery<TResult>

A sequence that has elements of type TResult that are obtained by performing an inner join on two sequences.

Exceptions

The query was canceled with the token passed in through WithCancellation.

source or action is a null reference (Nothing in Visual Basic).

One or more exceptions occurred during the evaluation of the query.

See also

Applies to