/**
 * Validates the object and all objects related to this table.
 *
 * @see        getValidationFailures()
 * @param      ValidatorInterface|null $validator A Validator class instance
 * @return     boolean Whether all objects pass validation.
 */
public function validate(ValidatorInterface $validator = null)
{
    if (null === $validator) {
        $validator = new RecursiveValidator(
            new ExecutionContextFactory(new IdentityTranslator()),
            new LazyLoadingMetadataFactory(new StaticMethodLoader()),
            new ConstraintValidatorFactory()
        );
    }

    $failureMap = new ConstraintViolationList();

    if (!$this->alreadyInValidation) {
        $this->alreadyInValidation = true;
        $retval = null;


        $retval = $validator->validate($this);
        if (count($retval) > 0) {
            $failureMap->addAll($retval);
        }


        $this->alreadyInValidation = false;
    }

    $this->validationFailures = $failureMap;

    return (bool) (!(count($this->validationFailures) > 0));

}