EntityRelationHelper.java 文件源码

private Class<?> targetEntity(Annotation relationAnnotation) {
    if (relationAnnotation instanceof ManyToMany) {
        return ManyToMany.class.cast(relationAnnotation).targetEntity();
    }

    if (relationAnnotation instanceof OneToOne) {
        return OneToOne.class.cast(relationAnnotation).targetEntity();
    }

    if (relationAnnotation instanceof OneToMany) {
        return OneToMany.class.cast(relationAnnotation).targetEntity();
    }

    if (relationAnnotation instanceof ManyToOne) {
        return ManyToOne.class.cast(relationAnnotation).targetEntity();
    }

    return null;
}