Table of Contents

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  1. Preface
  2. Introduction to Transformations
  3. Transformation Ports
  4. Transformation Caches
  5. Address Validator Transformation
  6. Aggregator Transformation
  7. Association Transformation
  8. Bad Record Exception Transformation
  9. Case Converter Transformation
  10. Classifier Transformation
  11. Comparison Transformation
  12. Consolidation Transformation
  13. Data Masking Transformation
  14. Data Processor Transformation
  15. Decision Transformation
  16. Duplicate Record Exception Transformation
  17. Expression Transformation
  18. Filter Transformation
  19. Hierarchical to Relational Transformation
  20. Java Transformation
  21. Java Transformation API Reference
  22. Java Expressions
  23. Joiner Transformation
  24. Key Generator Transformation
  25. Labeler Transformation
  26. Lookup Transformation
  27. Lookup Caches
  28. Dynamic Lookup Cache
  29. Match Transformation
  30. Match Transformations in Field Analysis
  31. Match Transformations in Identity Analysis
  32. Normalizer Transformation
  33. Merge Transformation
  34. Parser Transformation
  35. Python Transformation
  36. Rank Transformation
  37. Read Transformation
  38. Relational to Hierarchical Transformation
  39. REST Web Service Consumer Transformation
  40. Router Transformation
  41. Sequence Generator Transformation
  42. Sorter Transformation
  43. SQL Transformation
  44. Standardizer Transformation
  45. Union Transformation
  46. Update Strategy Transformation
  47. Web Service Consumer Transformation
  48. Parsing Web Service SOAP Messages
  49. Generating Web Service SOAP Messages
  50. Weighted Average Transformation
  51. Window Transformation
  52. Write Transformation
  53. Appendix A: Transformation Delimiters

Developer Transformation Guide

Developer Transformation Guide

Router Transformation Configuration

Router Transformation Configuration

The Router transformation uses two input ports. It reads the twitter messages from the data source and the ISO country codes from the Classifier transformation. The Router transformation routes the data on the input ports to different output ports based on a condition that you specify.
The following image shows the Router transformation port groups and port connections:
The mapping contains a data source object, a Classifier transformation, a Router transformation, and two data target objects. The Router transformation is expanded in the mapping editor to display the input ports and two output port groups.
The following table describes the configuration of the Router transformation:
Port Name
Port Type
Port Group
Precision
Classifier_Output
Input
Input
2
text
Input
Input
200
Classifier_Output
Input
Default
2
text
Input
Default
200
Classifier_Output
Input
En_Group
2
text
Input
En_Group
200
You configure the transformation to create data streams for English-language messages and for messages in other languages. To create a data stream, add an output port group to the transformation. Use the
Groups
options on the transformation to add the port group.
To determine how the transformation routes data to each data stream, you define a condition on a port group. The condition identifies a port and specifies a possible value on the port. When the transformation finds an input port value that matches the condition, it routes the input data to the port group that applies the condition.
Define the following condition on the En_Group:
ClassifierOutput='en'
The Router transformation reads data from two objects in the mapping. The transformation can combine the data in each output group because it does not alter the row sequence defined in the data objects.

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