Table of Contents

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  1. Preface
  2. Working with Transformations
  3. Aggregator Transformation
  4. Custom Transformation
  5. Custom Transformation Functions
  6. Data Masking Transformation
  7. Data Masking Examples
  8. Expression Transformation
  9. External Procedure Transformation
  10. Filter Transformation
  11. HTTP Transformation
  12. Identity Resolution Transformation
  13. Java Transformation
  14. Java Transformation API Reference
  15. Java Expressions
  16. Java Transformation Example
  17. Joiner Transformation
  18. Lookup Transformation
  19. Lookup Caches
  20. Dynamic Lookup Cache
  21. Normalizer Transformation
  22. Rank Transformation
  23. Router Transformation
  24. Sequence Generator Transformation
  25. Sorter Transformation
  26. Source Qualifier Transformation
  27. SQL Transformation
  28. Using the SQL Transformation in a Mapping
  29. Stored Procedure Transformation
  30. Transaction Control Transformation
  31. Union Transformation
  32. Unstructured Data Transformation
  33. Update Strategy Transformation
  34. XML Transformations

Transformation Guide

Transformation Guide

Working with the Advanced Interface

Working with the Advanced Interface

In the advanced interface, you can use object oriented API methods to define, invoke, and get the result of an expression.
The following table describes the classes and API methods that are available in the advanced interface:
Class or API Method
Description
EDataType class
Enumerates the datatypes for an expression.
JExprParamMetadata class
Contains the metadata for each parameter in an expression. Parameter metadata includes datatype, precision, and scale.
defineJExpression API method
Defines the expression. Includes
PowerCenter
expression string and parameters.
invokeJExpression API method
Invokes an expression.
JExpression class
Contains the methods to create, invoke, get the metadata and get the expression result, and check the return datatype.

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