JpaEntityMap jpaMap = context.getEntityMap();
JpaPersistenceUnitMetadata metadata = new JpaPersistenceUnitMetadata();
jpaMap.setPersistenceUnitMetadata(metadata);
JpaPersistenceUnitDefaults defaults = new JpaPersistenceUnitDefaults();
metadata.setPersistenceUnitDefaults(defaults);
JpaEntityListeners listeners = new JpaEntityListeners();
defaults.setEntityListeners(listeners);
JpaEntityListener l1 = new JpaEntityListener();
l1.setClassName("abc.C1");
l1.setPostLoad(new JpaLifecycleCallback("xpl1"));
l1.setPreRemove(new JpaLifecycleCallback("xpr1"));