code: public void init(final ConstraintValidatorFactory factory,
        final MessageInterpolator messageInterpolator, final TraversableResolver traversableResolver,
        final ParameterNameProvider pparameterNameProvider) {
      contraintValidatorFactory = factory;
      this.messageInterpolator = messageInterpolator;
      this.traversableResolver = traversableResolver;
      parameterNameProvider = pparameterNameProvider;
    }
docs: initialize values.
  
  @param factory constraint validator factory to set
  @param messageInterpolator message interpolator to set
  @param traversableResolver traversable resolver to set
  @param pparameterNameProvider parameter resolver to set