Reference.java 文件源码

public static Reference createFor(PersistenceContext persistenceContext,
        Field field) {
    final String name;
    if (persistenceContext.name().length() > 0) {
        name = persistenceContext.name();
    } else {
        name = field.getDeclaringClass().getName() + "/" + field.getName();
    }
    return new Reference(EntityManager.class, name, field);
}