Collection(TRecord, TTime).Min(TKey, TComparable) Method (Expression(Func(TRecord, TKey)), Expression(Func(TRecord, TComparable)))

CollectionTRecord, TTimeMinTKey, TComparable Method (ExpressionFuncTRecord, TKey, ExpressionFuncTRecord, TComparable)

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

Groups records using the supplied key selector, and computes the minimum value in each group.

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

Syntax

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Collection<TRecord, TTime> Min<TKey, TComparable>(
	Expression<Func<TRecord, TKey>> keySelector,
	Expression<Func<TRecord, TComparable>> comparableSelector
)
where TKey : Object, IEquatable<TKey>
where TComparable : Object, IEquatable<TComparable>, IComparable<TComparable>

Parameters

keySelector: Type: System.Linq.ExpressionsExpressionFuncTRecord, TKey
Function that extracts a key from each record.
comparableSelector: Type: System.Linq.ExpressionsExpressionFuncTRecord, TComparable
Function that extracts the portion of a record to be used in the comparison.

Type Parameters

TKey: The key type.
TComparable: The type of values to be used for comparison.

Return Value

Type: CollectionTRecord, TTime
The collection of minimum-valued records in each group.

Reference

CollectionTRecord, TTime Interface

Min Overload

Microsoft.Research.Naiad.Frameworks.DifferentialDataflow Namespace