">Map<K,V>-valued attribute using the given join type.">
Jakarta Persistence (JPA) Method

MapJoin<X,K,V> joinMap(
  String attributeName,
  JoinType jt
)

Create a join to the specified Map<K,V>-valued attribute using the given join type.
Parameters:
attributeName - name of the attribute for the target of the join
jt - join type
Returns:
the resulting join.
Throws:
IllegalArgumentException - if attribute of the given name does not exist.
Since:
Jakarta Persistence (JPA) 1.0