Table of Contents

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  1. Preface
  2. Introduction to Data Transformation
  3. Data Processor Transformation
  4. Wizard Input and Output Formats
  5. Relational Input and Output
  6. XMap
  7. Libraries
  8. Schema Object
  9. Command Line Interface
  10. Scripts
  11. Parsers
  12. Script Ports
  13. Document Processors
  14. Formats
  15. Data Holders
  16. Anchors
  17. Transformers
  18. Actions
  19. Serializers
  20. Mappers
  21. Locators, Keys, and Indexing
  22. Streamers
  23. Validators, Notifications, and Failure Handling
  24. Validation Rules
  25. Custom Script Components

Data Transformation User Guide

Data Transformation User Guide

Creating An Expression

Creating An Expression

Create XPath expressions in the
Expression Editor
.
  1. In the XMap statement, click the
    Open
    button in the
    Input
    ,
    Condition
    , or
    Output
    field.
    The
    Expression Editor
    appears.
  2. To add an element to an expression, double-click elements in the
    Navigation
    panel.
  3. Click
    Validate
    to validate the expression.
  4. If the expression is for the Input field, click
    Test Expression
    to test the expression against the example data.
    Results appear each time the Developer tool evaluates the expression using the example data. The XPath expression can return a sequence of zero or more nodes or values. The
    Sequence Length
    indicates how many nodes the XPath expression returns.