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Interpreting the ready-made sample

Once you have imported the ready-made sample, you can inspect it to become familiar with relationships and the editor in which they are managed.

In the previous task, you imported the following resources:

  • Bank module. It has an export, an interface, several business objects and many business object maps.
  • Brokerage module. It has an export, an interface, several business objects and many business object maps.
  • eMerged library. It has many business objects, a Bank interface, and a Brokerage interface.

Screen capture showing a relationship across three roles using the key attribute customerNumber

The sample prebuilt sample shows a customer relationship based on three roles. The key attribute in all three roles is the customer ID number. That attribute is used to map the relationship in business object maps.

A relationship establishes an association across data from two or more data types. Each data type is represented as a role in the relationship. Each role in a relationship is distinguished from other roles based on the function that they serve in the given relationship. This means that several roles ultimately contribute to build the relationship. The data that you typically transform using relationships are ID numbers, such as customer ID, Order ID, or product ID.
Restriction: Note that relationships cannot be included in mediation modules.

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