JPAAnnotationsConfigurer.java 文件源码

protected void addAssertValidCheckIfRequired(final Annotation constraintAnnotation, final Collection<Check> checks,
        @SuppressWarnings("unused") /*parameter for potential use by subclasses*/final AccessibleObject fieldOrMethod) {
    if (containsCheckOfType(checks, AssertValidCheck.class))
        return;

    if (constraintAnnotation instanceof OneToOne || constraintAnnotation instanceof OneToMany || constraintAnnotation instanceof ManyToOne
            || constraintAnnotation instanceof ManyToMany)
        checks.add(new AssertValidCheck());
}