Configuring Key Converters

If the key's object value and database value are different types, use a converter. TopLink supports the following key converters:

• see "Serialized Object Converter"

• see "Type Conversion Converter"

• see "Object Type Converter"

Using TopLink Workbench

Use this procedure to specify the converter for a direct map mapping key:

1. Select the mapped attribute in the Navigator. Its properties appear in the Editor.

2. Click the Converter tab. The Converter tab appears.

3. Click the Key Converter tab. The Key Converter tab appears.

   Figure 46-3 Converter – Key Converter Tab

   
   Description of "Figure 46-3 Converter – Key Converter Tab"
   
   

Use the following information to select the converter for the direct map mapping key:

Converter	Description
No Converter	Do not use a Key Converter for this mapping.
Serialized Object Converter	See "Configuring a Serialized Object Converter".
Type Conversion Converter	See "Configuring a Type Conversion Converter".
Object Type Converter	See "Configuring an Object Type Converter".