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Background documentation Implementing Parameter Mapping  Locate the document in its SAP Library structure

 

You can interconnect the development objects that you implement by mapping their input, local and output parameters.

Mappings between parameters are valid at all levels of granularity. They are applied to a pair of structures: source and target. Essentially, a mapping is a set of rules, each defining one-to-one correspondence of a particular component from the source structure to a component from the target structure. These components are attributes or sub-structures at arbitrary depth. They are identified using locators or paths from the root of the structure to the desired component.

 

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Mapping information is stored in mapping groups, each containing a set of mapping rules defined by you. Essentially, there are two basic ways of accessing and modifying mapping information:

      Mappings between input and output parameters of two development objects

In general, the containment of a development object into another is defined using an object reference from the parent to the child. The reference contains the referenced object itself, as well as information about the input and output parameter mappings. This is valid for:

       Callable objects inserted into actions – mapping information is stored in the IGPObjectReference corresponding to the callable object. For more information, see Defining Callable Object Mappings.

       Child activities inserted into parent activities – mapping information is stored in the block structure item (IGPModifiableBlockStructureItem) of the child activity in the structure of the parent activity. The block structure item itself is an object reference to the child activity. For more information, see Defining Activity Mappings.

      Mappings between the input, output and local parameters within a single activity

The “input to local” and “local to output” mapping information of a single activity are defined in IGPModifiableActivity. For more information, see Defining Activity Mappings.

 

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