ProductSpec.java 文件源码

/**
 * Returns null if the instance is valid, or a string representing the error.
 * <p>
 * @return null if the instance is valid, or a string representing the error.
 */
@Null(message = "ViolationMessage is not null, but '${validatedValue}'")
public String getViolationMessage() {
    if ( model == null
            || model.getFamily() == null
            || model.getFamily().getSeries() == null
            || model.getFamily().getSeries().getBrand() == null
            || model.getFamily().getSeries().getBrand().getManufacturer().getPartNoSupport() == null )
        return null;
    return model.getFamily().getSeries().getBrand().getManufacturer().getPartNoSupport().violationMessages(partNo);
}