How to use

positive

method

in

com.nuecho.rivr.core.util.Assert

/**
 * @param maxNBest The maximum size of the recognition result. Must be a
 *            positive integer. <code>null</code> to use the VoiceXML
 *            platform default
 * @see <a
 *      href="https://www.w3.org/TR/voicexml20/#dml6.3.2">https://www.w3.org/TR/voicexml20/#dml6.3.2</a>
 */
public void setMaxNBest(Integer maxNBest) {
  if (maxNBest != null) {
    Assert.positive(maxNBest, "maxNBest");
  }
  mMaxNBest = maxNBest;
}