Jakarta Persistence (JPA) Method

Predicate isMember(
  Expression<E> elem,
  Expression<C> collection
)


Create a predicate that tests whether an element is a member of a collection. If the collection is empty, the predicate will be false.
Parameters:
elem - element expression
collection - expression
Returns:
is-member predicate.
Since:
Jakarta Persistence (JPA) 1.0