Base class for custom aggregation methods.
Inheritance Hierarchy
Spotfire.Dxp.Data.ComputationsDataMethod
Spotfire.Dxp.Data.ComputationsAggregationMethod
Spotfire.Dxp.Application.ExtensionCustomAggregationMethod
Namespace: Spotfire.Dxp.Application.Extension
Assembly: Spotfire.Dxp.Application (in Spotfire.Dxp.Application.dll) Version: 30.0.11525.4184 (30.0.11525.4184)
Syntax
C#
public abstract class CustomAggregationMethod : AggregationMethod
The CustomAggregationMethod type exposes the following members.
Constructors
| Name | Description | |
|---|---|---|
 | CustomAggregationMethod(String, String, DataType, String, String, String) | Create a new aggregation method.
|
| CustomAggregationMethod(String, String, DataType, String, String, String, LicensedFunction) |
Create a new aggregation method.
|
Methods
| Name | Description | |
|---|---|---|
| CreateAccumulatorCore | Create an accumulator. A unique instance of the
IAccumulator class should be returned for
each call.
(Inherited from AggregationMethod.) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
 | GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| SpecifyArgumentTypesCore | Override this method to specify the argument types.
|
| SpecifyColumnPropertiesUsedCore |
Override this method to specify which column properties the custom method uses.
|
Properties
| Name | Description | |
|---|---|---|
 | Abstraction |
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.
(Inherited from AggregationMethod.) |
| Description |
Description of what the method does. This is shown in the user interface to describe
to the user how to use the method.
(Inherited from AggregationMethod.) |
| DisplayName |
Display name for method name. This is not the name used
in expressions but the name shown in the UI.
(Inherited from AggregationMethod.) |
| MethodCategory | The category is
AggregationMethod.
(Inherited from AggregationMethod.) |
| MethodNamespace | Gets the namespace of the method. All method has to have a namespace.
(Inherited from DataMethod.) |
| Name | Gets the name of the method as used in expressions.
(Inherited from DataMethod.) |
| RequiredLicense | Gets the license that is needed for use of this data method.
By default all methods have an AlwaysEnabled license.
(Inherited from DataMethod.) |
| Section |
Which section should the method be part of, see the Sections class for predefined sections.
(Inherited from AggregationMethod.) |
Version Information
See Also