Binary package “libopenjpa-java” in ubuntu focal

Java Persistence 2.0 API (JPA) implementation library

 OpenJPA is Apache's implementation of Sun's Java Persistence 2.0 API (JSR-317
 JPA 2.0) specification for the transparent persistence of Java objects.
 .
 It is an object-relational mapping (ORM) solution for the Java language,
 which simplifies storing objects in databases.