Spotfire.Dxp.Data.VirtualColumns Namespace

TIBCO Spotfire 10.0 API Reference
The Spotfire.Dxp.Data.VirtualColumn namespace contains classes used for adding virtual columns.

A virtual column is a data column that only retrieves values on-demand.

The collection of VirtualColumns available to the end-user can be extended. CustomVirtualColumnProducer for the base class that needs to be implemented in order to extend the application with new functionality.

Classes

  ClassDescription
Public classVirtualColumn
A column where the values are fetched one by one as they're needed rather than all at once.
Public classVirtualColumnPropertyNames
Contains property name constants for the public properties of VirtualColumn.
Public classVirtualColumnAvailableInputCollection
Represents the available inputs for a virtual column producer.
Public classVirtualColumnAvailableInputCollectionPropertyNames
Contains property name constants for the public properties of VirtualColumnAvailableInputCollection.
Public classVirtualColumnCollection
A collection of virtual columns.
Public classVirtualColumnCollectionPropertyNames
Contains property name constants for the public properties of VirtualColumnProducerCollection.
Public classVirtualColumnInputCollection
Represents the inputs for one or several virtual columns.
Public classVirtualColumnInputCollectionPropertyNames
Contains property name constants for the public properties of VirtualColumnInputCollection.
Public classVirtualColumnInputIdentifier
Used to uniquely identify the inputs of a virtual column.
Public classVirtualColumnProducer
A class which produces virtual columns.
Public classVirtualColumnProducerPropertyNames
Contains property name constants for the public properties of VirtualColumnProducer.
Public classCode exampleVirtualColumnProducerVirtualColumnInputIdentifiers
Implement this to contain VirtualColumnInputIdentifier objects to uniquely identify each input collection in this VirtualColumnProducer.
Public classVirtualColumnProducerCollection
A collection of virtual column producers.
Public classVirtualColumnProducerCollectionPropertyNames
Contains property name constants for the public properties of VirtualColumnProducerCollection.
Public classVirtualColumnsConfigurator
Used to add the virtual columns to a VirtualColumnProducer.
Public classVirtualValueRequest
Represents the input and result for a value in a virtual column.
Public classVirtualValueWorkerTModel
A class that serves as a worker for a VirtualColumnProducer.