Examples of org.apache.ibatis.executor.statement.BaseStatementHandler


  public Object intercept(Invocation ivk) throws Throwable {
    if (ivk.getTarget() instanceof RoutingStatementHandler) {
      RoutingStatementHandler statementHandler = (RoutingStatementHandler) ivk
          .getTarget();
      BaseStatementHandler delegate = (BaseStatementHandler) ReflectHelper
          .getValueByFieldName(statementHandler, "delegate");
      MappedStatement mappedStatement = (MappedStatement) ReflectHelper
          .getValueByFieldName(delegate, "mappedStatement");
      /**
       * 方法1：通过ＩＤ来区分是否需要分页．.*query.*
       * 方法2：传入的参数是否有page参数，如果有，则分页，
       */
    //  if (mappedStatement.getId().matches(pageSqlId)) { // 拦截需要分页的SQL
        BoundSql boundSql = delegate.getBoundSql();
        Object parameterObject = boundSql.getParameterObject();// 分页SQL<select>中parameterType属性对应的实体参数，即Mapper接口中执行分页方法的参数,该参数不得为空
        if (parameterObject == null) {
          //throw new NullPointerException("boundSql.getParameterObject() is null!");
          return ivk.proceed();
        } else {


    @Override
    public Object intercept(Invocation ivk) throws Throwable {
        if (ivk.getTarget().getClass().isAssignableFrom(RoutingStatementHandler.class)) {
            final RoutingStatementHandler statementHandler = (RoutingStatementHandler) ivk.getTarget();
            final BaseStatementHandler delegate = (BaseStatementHandler) Reflections.getFieldValue(statementHandler, DELEGATE);
            final MappedStatement mappedStatement = (MappedStatement) Reflections.getFieldValue(delegate, MAPPED_STATEMENT);


//            //拦截需要分页的SQL
////            if (mappedStatement.getId().matches(_SQL_PATTERN)) { 
//            if (StringUtils.indexOfIgnoreCase(mappedStatement.getId(), _SQL_PATTERN) != -1) {
                BoundSql boundSql = delegate.getBoundSql();
                //分页SQL<select>中parameterType属性对应的实体参数，即Mapper接口中执行分页方法的参数,该参数不得为空
                Object parameterObject = boundSql.getParameterObject();
                if (parameterObject == null) {
                    log.error("参数未实例化");
                    throw new NullPointerException("parameterObject尚未实例化！");

Examples of org.apache.ibatis.executor.statement.BaseStatementHandler

Related Classes of org.apache.ibatis.executor.statement.BaseStatementHandler