ITransformation (TIBCO Streaming Product Javadoc 11.0.0 API)

All Known Subinterfaces:

IAdditionalTransformation, IInputTransformation
```
public interface ITransformation
```
An interface describing a generic transformation. Transformations are used in several places in a TCS flow: along flow edges, and within block meta-data to produce configuration required by block implementations. Subclasses further can enhance the transformation as an input or additional transformation.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`String`	`getExpression()`	Return the output expression, in EventFlow expression syntax.
`String`	`getFieldName()`	Return the name of the field being operated on.

- Method Detail
  - getFieldName
```
String getFieldName()
```
    Return the name of the field being operated on.
    
    Returns:
    
    field
  - getExpression
```
String getExpression()
```
    Return the output expression, in EventFlow expression syntax.
    
    Returns:
    
    output expression