English
  • PowerCenter 10.5
  • All Products

Table of Contents

Search

  1. Preface
  2. Using the Designer
  3. Working with Sources
  4. Working with Flat Files
  5. Working with Targets
  6. Mappings
  7. Mapplets
  8. Mapping Parameters and Variables
  9. Working with User-Defined Functions
  10. Using the Debugger
  11. Viewing Data Lineage
  12. Comparing Objects
  13. Managing Business Components
  14. Creating Cubes and Dimensions
  15. Using the Mapping Wizards
  16. Appendix A: Datatype Reference
  17. Appendix B: Configure the Web Browser

Designer Guide

Designer Guide

Back Next

Connecting to Mapplet Input Ports

Connecting to Mapplet Input Ports

When using a mapplet with input ports in a mapping, you connect the mapplet input ports to the mapping pipeline. You can pass data into a mapplet only when it originates from a single active transformation.
For example, in the following figure, the mapplet mpltLookupAndCompare accepts data from two Expression transformations because data from both transformations originate from a single source qualifier. The Source Qualifier SQ_CUSTOMERS is the active transformation providing mapplet source data:
""