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

JExpression Class

JExpression Class

Contains methods to create and invoke an expression, return the value of an expression, and check the return datatype.
The following table lists the methods in the JExpression class:
Method Name
Description
invoke
Invokes an expression.
getResultDataType
Returns the datatype of the expression result.
getResultMetadata
Returns the metadata of the expression result.
isResultNull
Checks the result value of an expression result.
getInt
Returns the value of an expression result as an Integer datatype.
getDouble
Returns the value of an expression result as a Double datatype.
getStringBuffer
Returns the value of an expression result as a String datatype.
getBytes
Returns the value of an expression result as a byte[] datatype.

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