ExtensionMethods.Join(TInput1, TInput2, TKey, TOutput, TTime) Method

ExtensionMethodsJoinTInput1, TInput2, TKey, TOutput, TTime Method

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[This is preliminary documentation and is subject to change.]

Joins the records in stream1 with the records in stream2, using the respective key selectors.

Namespace: Microsoft.Research.Naiad.Frameworks.Lindi
Assembly: Microsoft.Research.Naiad.Lindi (in Microsoft.Research.Naiad.Lindi.dll) Version: 0.5.0.0 (0.5.0.0)

Syntax

Copy

public static Stream<TOutput, TTime> Join<TInput1, TInput2, TKey, TOutput, TTime>(
	this Stream<TInput1, TTime> stream1,
	Stream<TInput2, TTime> stream2,
	Func<TInput1, TKey> keySelector1,
	Func<TInput2, TKey> keySelector2,
	Func<TInput1, TInput2, TOutput> resultSelector
)
where TTime : Object, Time<TTime>

Parameters

stream1: Type: Microsoft.Research.NaiadStreamTInput1, TTime
The first input stream.
stream2: Type: Microsoft.Research.NaiadStreamTInput2, TTime
The second input stream.
keySelector1: Type: SystemFuncTInput1, TKey
The key selector applied to records in stream1.
keySelector2: Type: SystemFuncTInput2, TKey
The key selector applied to records in stream2.
resultSelector: Type: SystemFuncTInput1, TInput2, TOutput
Function that transforms records with matching keys to an output record.

Type Parameters

TInput1: The type of records in stream1.
TInput2: The type of records in stream2.
TKey: The key type.
TOutput: The result type.
TTime: The type of timestamp on each record.

Return Value

Type: StreamTOutput, TTime
The stream of output records.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type StreamTInput1, TTime. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Reference

ExtensionMethods Class

Microsoft.Research.Naiad.Frameworks.Lindi Namespace