Oracle® Application Server TopLink Mapping Workbench User's Guide
10g Release 2 (10.1.2) Part No. B15900-01 |
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The OracleAS TopLink unit of work feature must be able to clone persistent objects. OracleAS TopLink supports two ways of copying objects:
By default, an object's default constructor is called to create a copy.
You can specify a method on the object to be used by OracleAS TopLink to perform the copy, such as clone
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Use the Copying tab to specify how OracleAS TopLink copies objects. OracleAS TopLink supports the following methods:
Using the object's default constructor to create a copy
Specifying a method, such as clone
To specify a copy method:
Select a descriptor in the Navigator pane. Its properties appear in the Editor pane.
If the Copying advanced property is not visible for the descriptor, right-click the descriptor and choose Set Advanced Properties > Copying from the pop-up menu or from the Selected menu.
Click the Copying tab in the Editor pane.
Field | Description |
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Use Instantiation Policy | Creates a new instance of the object using the descriptor's instantiation policy. |
Use Clone Method | Specifies to call the clone() method of the object.
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Method | Select the clone method from the drop-list. Click Create New Method to create a new method. |