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Integration Platform Technologies: Siebel Enterprise Application Integration > Integration Objects > About the Structure of Integration Objects > Multivalue Groups Within Business ComponentsMultivalue groups (MVGs) are used within Siebel business components to represent database multivalue attributes. MVGs can be one of two types: regular MVGs or MVG Associations. An integration object instance most often has multiple integration component instances. For example, an Account can have multiple Business Addresses but only one of these addresses is marked as the primary address. A business requirement might require that only the integration component instance that corresponds to the primary MVG be part of the integration object instance. In relation to Account and Business Addresses this means that only the primary address will be part of the Account integration object instance. The primary address can be obtained by one of the following steps:
In Siebel Tools, if a Siebel business component contains an MVG, then the MVG is represented by several objects as illustrated in the following topics. Multivalue Fields in a Business ComponentFor example, as illustrated in Figure 5, the Account business component contains a multivalue field, Address Id. The multivalue link property of Address Id has the value Business Address. Multivalue Links in a Business ComponentThe Business Address multivalue link associated with the Address Id multivalue field in Figure 5 has the value Business Address as its Destination Business Component, as shown in Figure 6. Fields in a Business Component After Adding a Multivalue LinkThe fact that the Business Address multivalue link has Business Address as its Destination Business Component means that there is another business component named Business Address. The Business Address business component contains the fields that are collectively represented by Address Id in the Account business component, as shown in Figure 7. Graphical Representation of a Business Component and a Multivalue LinkFigure 8 shows a graphical way to represent the relationship between Account business component and the Business Address multivalue link. The more table-like representation in Figure 8 shows how the Business Address multivalue link connects the two business components. The child points to the Business Address business component, which contains the multiple fields that make up the MVG. NOTE: Two business components are used to represent an MVG. Creating a Siebel Integration Component to Represent an MVGTo create a Siebel integration component to represent an MVG, it is necessary also to create two integration components:
Figure 9 shows an integration component based on an MVG and its user property value in Siebel Tools. The EAI Siebel Adapter business service must know the names of the MVG fields as they are defined in the parent business component, which in this example is Account, and also the names of the MVG fields as they are known in the business component that represents the MVG, which in this example is Account Business Address. As shown in Figure 10, the integration component fields represent the MVG. To represent both names, each field is assigned an integration component field user property named MVGFieldName, or AssocFieldName if the integration component user property is MVGAssociation. The value of the integration component field user property is the name of the field shown in the parent business component, which in this example is Business Address. |
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