ExpressionTransformationWrapper Class

Spotfire 14.5 API Reference

A wrapper for a number of simple DataTransformations. The wrapper uses ExpressionTransformation internally. Examples include AddCalculatedColumnTransformation and ChangeDataTypeTransformation.

Inheritance Hierarchy

System.Object
  Spotfire.Dxp.Data.DataTransformation
    Spotfire.Dxp.Data.Transformations.ExpressionTransformationWrapper
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Namespace: Spotfire.Dxp.Data.Transformations
Assembly: Spotfire.Dxp.Data (in Spotfire.Dxp.Data.dll) Version: 67.0.20819.4186 (67.0.20819.4186)

Syntax

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[SerializableAttribute]
[PersistenceVersionAttribute(3, 0)]
public abstract class ExpressionTransformationWrapper : DataTransformation

The ExpressionTransformationWrapper type exposes the following members.

Properties

	Name	Description
	LoadReport	Gets the PartialDataLoadReport that can be used to report errors during connection. (Inherited from DataTransformation.)
	Name	Gets the display name of the transformation. (Inherited from DataTransformation.)
	TypeId	Gets the type identifier for the data source. (Inherited from DataTransformation.)

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Methods

	Name	Description
	AsExpressionTransformation	Gets a copy of the underlying ExpressionTransformation.
	Connect	Connects to the input reader. A DataRowReader can then be retrieved from the DataTransformationConnection. (Inherited from DataTransformation.)
	ConnectCore	Connects to the input reader. A DataRowReader can then be retrieved from the DataTransformationConnection. (Overrides DataTransformation.ConnectCore(ImportContext, DataRowReader).)
	Equals	Determines whether the specified object is equal to the current object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GenerateDataHistoryCore	Creates detail information for the DataTransformation. See DataHistoryBuilder for more information on how to add detailed information to the data history. (Overrides DataTransformation.GenerateDataHistoryCore(DataHistoryBuilder).)
	GetHashCode	Serves as the default hash function. (Inherited from Object.)
	GetObjectData	Implements ISerializable. (Overrides DataTransformation.GetObjectData(SerializationInfo, StreamingContext).)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Explicit Interface Implementations

	Name	Description
	ISerializable.GetObjectData	Implements ISerializable. (Inherited from DataTransformation.)

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Version Information

Supported in: 14.5, 14.4, 14.3, 14.2, 14.1, 14.0, 12.5, 12.4, 12.3, 12.2, 12.1, 12.0, 11.8

Reference

Spotfire.Dxp.Data.Transformations Namespace

Inheritance Hierarchy