@Override
  public int hashCode() {
    HashCodeBuilder hashCodeBuilder = new HashCodeBuilder();
    hashCodeBuilder.append(userName);
    hashCodeBuilder.append(sourceId);
    hashCodeBuilder.append(authenticationType);
    hashCodeBuilder.append(key);
    hashCodeBuilder.append(createTime);
    hashCodeBuilder.append(updateTime);
    return hashCodeBuilder.toHashCode();
  }
Returns user name

@return user name
ambari-server/src/main/java/org/apache/ambari/server/controller/UserAuthenticationSourceResponse.java