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

invoke

invoke

Invokes an expression. Arguments for invoke include an object that defines the input parameters and the row type. You must instantiate a JExpression object before you can use the invoke method. For the row type, use ERowType.INSERT, ERowType.DELETE, and ERowType.UPDATE.
Use the following syntax:
objectName.invoke(     new Object[] { param1[, ... paramN ]},     rowType     );
The following table describes the arguments:
Argument
Datatype
Input/
Output
Description
objectName
JExpression
Input
JExpression object name.
parameters
-
Input
Object array that contains the input values for the expression.
For example, you create a function on the
Java Expressions
code entry tab named address_lookup() that returns an JExpression object that represents the expression. Use the following code to invoke the expression that uses input ports NAME and COMPANY:
JExpression myObject = address_lookup(); myObject.invoke(new Object[] { NAME,COMPANY }, ERowType INSERT);

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