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Integration Platform Technologies: Siebel Enterprise Application Integration > Integration Objects > About the Structure of Integration Objects >
About the Cardinality of Child Integration Components
By default each child integration component created in Siebel Tools is assigned a cardinality value of Zero or More. The values Zero or More, or Zero or One, mean that the corresponding integration component is optional. Setting the value to One, or One or More, means at least one integration component instance must be included in the hierarchy. When the cardinality value is set to One, you must have one and only one instance of the integration component in the hierarchy. Table 4 lists possible cardinality values.
Table 4. Cardinality values of Child Integration Components
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Integration Component Instance |
One |
An integration component is mandatory and limited to one instance. |
One or more |
An integration component is mandatory and must contain at least one instance. |
Zero or more |
An integration component is optional, and more than one instance is allowed. |
Zero or one |
An integration component is optional, but if there is one present, then the limit is one. |
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