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ComparisonFilterCalculateRangeEffectiveness Method

.NET API Reference for Oracle® Coherence Community Edition
(14.1.1.0)
E55634-01
Helper method to calculate effectiveness for ComparisonFilters that need a range of values from an index in order to retrieve all necessary keys to perform the applyIndex() operation. Such filters are: Less, LessEquals, Greater, GreaterEquals.

Namespace:  Tangosol.Util.Filter
Assembly:  Coherence (in Coherence.dll) Version: 14.1.1.1 (14.1.1.1)
Syntax
C#
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protected int CalculateRangeEffectiveness(
	IDictionary indexes,
	ICollection keys
)

Parameters

indexes
Type: System.CollectionsIDictionary
The available MapIndex objects keyed by the related IValueExtractor; read-only
keys
Type: System.CollectionsICollection
The set of keys that will be filtered; read-only

Return Value

Type: Int32
An effectiveness estimate of how well this filter can use the specified indexes to filter the specified keys
See Also