Example 6.3. Defining the custom CompositeUserType
prefix be used for custom type names to distinguish them
Note that for each Oracle UDT used by the application, there must be a unique custom type factory. Additionally, for Oracle Object Types, the custom type factory must return a custom type that uniquely represents the specified Oracle Object Type. For Oracle Collection Types, the custom type factory returns a custom type that can be used by other Oracle Collection Types. This is common when an custom type that is an array type represents an Oracle Collection, that is, when an is used to represent a collection of s.
A custom type can be modified only in the following ways:
The application can specify a custom type mapping using a custom type factory. The application supplies the name of the Oracle UDT, in the format , to an object and applies the name to the corresponding custom type factory. A custom type factory is a class or struct that implements either or both the and interfaces.
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