AggregationMethod Class TIBCO Spotfire 7.6 API Reference
This class is used as the base class for aggregation methods.
Inheritance Hierarchy

SystemObject
  Spotfire.Dxp.Data.ComputationsDataMethod
    Spotfire.Dxp.Data.ComputationsAggregationMethod
      Spotfire.Dxp.Application.ExtensionCustomAggregationMethod

Namespace: Spotfire.Dxp.Data.Computations
Assembly: Spotfire.Dxp.Data (in Spotfire.Dxp.Data.dll) Version: 25.11.10401.3615 (25.11.10401.3615)
Syntax

C#
public abstract class AggregationMethod : DataMethod, 
	IPublicMethod, IAggregationMethod, IMetadataUsageProvider, IAbstraction

The AggregationMethod type exposes the following members.

Methods

  NameDescription
Protected methodCreateAccumulatorCore
Create an accumulator. A unique instance of the IAccumulator class should be returned for each call.
Protected methodFinalize
Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.
(Inherited from Object.)
Public methodGetType
Gets the Type of the current instance.
(Inherited from Object.)
Protected methodMemberwiseClone
Creates a shallow copy of the current Object.
(Inherited from Object.)
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Properties

  NameDescription
Public propertyAbstraction
Only applicable for aggregation methods. Returns true if the returned value from the method exists in the data; otherwise false. E.g., Sum is an abstraction but Max is not.
Public propertyDescription
Description of what the method does. This is shown in the user interface to describe to the user how to use the method.
Public propertyDisplayName
Display name for method name. This is not the name used in expressions but the name shown in the UI.
Public propertyMethodCategory
The category is AggregationMethod.
(Overrides DataMethodMethodCategory.)
Public propertyMethodNamespace
Gets the namespace of the method. All method has to have a namespace.
(Inherited from DataMethod.)
Public propertyName
Gets the name of the method as used in expressions.
(Inherited from DataMethod.)
Public propertyRequiredLicense
Gets the license that is needed for use of this data method. By default all methods have an AlwaysEnabled license.
(Inherited from DataMethod.)
Public propertySection
Which section should the method be part of, see the Sections class for predefined sections.
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Remarks

This class cannot be inherited from, see the CustomAggregationMethod class for creating custom aggregation methods.
Version Information

Supported in: 7.6, 7.5, 7.0, 6.5, 6.0, 5.5, 5.0
See Also

Reference