Sets the Key for type conversion.

Usage

The Key annotation must be applied at field or method level.

Parameters

Parameter	Required	Default	Description
value	no	java.lang.Object.class	The key property value.

Examples

// The key property for User objects within the users collection is the <code>userName</code> attribute.
@Key( value = java.lang.Long.class )
private Map<Long, User> userMap;