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@Target(value={METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface MapKey
Define the map key columns as an explicit column holding the map key
This is completly different from MapKey which use an existing column
This annotation and MapKey are mutually exclusive
| Optional Element Summary | |
|---|---|
javax.persistence.Column[] |
columns
|
Class |
targetElement
Represent the key class in a Map Only useful if the collection does not use generics |
Type |
type
The optional map key type. |
public abstract javax.persistence.Column[] columns
public abstract Class targetElement
public abstract Type type
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