Developer Mapping Guide

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Mapping Components

Mapping components determine the data flow between sources and targets.

Every mapping must contain an input object, which reads data from a mapping component or file. Every mapping must also contain an output object, which writes data to a mapping component or file.

A mapping can also contain the following components:

Data object operations: Repository objects that contain properties required to perform certain run-time operations on sources or targets. Required for some PowerExchange adapter data sources.
Transformations: Modify data before writing it to targets. Use different transformation objects to perform different functions.
Mapplets: Reusable objects containing a set of transformations that you can use in multiple mappings.
Segments: Consist of one or more objects in a mapping, mapplet, rule, or virtual stored procedure.