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@Target(value={METHOD,FIELD})
@Retention(value=RUNTIME)
public @interface MapKeyManyToMany
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.JoinColumn[] |
joinColumns
|
Class |
targetEntity
Represent the key class in a Map Only useful if the collection does not use generics |
public abstract javax.persistence.JoinColumn[] joinColumns
public abstract Class targetEntity
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