Dubbo RPC接口的参数校验过程

<dependency>
    <groupId>javax.validation</groupId>
    <artifactId>validation-api</artifactId>
    <version>1.1.0.Final</version>
</dependency>
<dependency>
    <groupId>org.hibernate</groupId>
    <artifactId>hibernate-validator</artifactId>
    <version>5.0.1.Final</version>
</dependency>

<dubbo:reference id="validationService" interface="com.alibaba.dubbo.examples.validation.api.ValidationService" validation="true" />

<dubbo:service interface="com.alibaba.dubbo.examples.validation.api.ValidationService" validation="true" />

@Bean
public ReferenceBean<PLRepaymentPlanService> repaymentPlanServiceReferenceBean(){
    ReferenceBean<PLRepaymentPlanService> referenceBean = new ReferenceBean<>();
    referenceBean.setInterface(PLRepaymentPlanService.class);
    referenceBean.setCheck(false);
    referenceBean.setValidation("true");
    return referenceBean;
}

@Reference(validation = "true")
TestService testService;

Integer createRepaymentPlan(@Valid RepaymentPlanRequestDTO dto,@NotNull Integer age) throws PostLoanException;

@Data
public class RepaymentPlanRequestDTO implements Serializable {

    /**
     * 业务源
     **/
    @NotNull
    private Integer businessSource;
    /**
     * 业务类型0,消费贷; 1,现金贷; 2,租房; 3:payday；4：无预约现金贷 5有钱贷，6指尖贷，7多享贷，8租机，9白条，10医美，11前置扣款
     **/
    @NotNull
    private Integer type;
    /**
     * 业务规则
     */
    private String businessRule;
    /**
     * 订单id
     **/
    @NotNull
    private Integer orderId;
    /**
     * 期数
     **/
    @NotNull
    private Integer period;
    /**
     * 应还总额
     **/
    @NotNull
    private BigDecimal total;
    /**
     * 每期应还
     **/
    @NotNull
    private BigDecimal every;
    /**
     * 本金
     **/
    @NotNull
    private BigDecimal principal;
    /**
     * 每期利率
     **/
    @NotNull
    private BigDecimal rateEvery;
    /**
     * 服务费
     **/
    private BigDecimal serviceFee;
    /**
     * 用户id
     **/
    @NotNull
    private Integer userinfoId;
    /**
     * 商品id
     **/
    private Integer goodsId;
    /**
     * 渠道id
     **/
    private Integer channelId;
    /**
     * 资方id
     **/
    private Integer capitalId;
    /**
     * 起息日
     */
    private LocalDateTime startInterestDate;
    /**
     * 贷款天数
     **/
    private Integer payDays;
    /**
     * 提单编号（规则O2O+订单编号+资方+重试次数）
     */
    private String channelOrderNO;
    /**
     * 是否通知
     * 需要资方生成还款计划后资方平台通知/回调的订单
     */
    private boolean hasNotified;
    /**
     * 订单四要素
     */
    @Valid
    private PLUserInfoDTO plUserInfoDTO;

}