/**
 * @author liuxishan 2023/6/2
 */
@Data
@Builder
@TableName(value = "hot_event",autoResultMap = false)
@EqualsAndHashCode(callSuper = true)
public class HotEvent extends BaseAuditor {
    @TableId(type = IdType.ASSIGN_ID)
    private String id;
   ············
   ············ 
    /**
     * 創(chuàng)建方式
     */
    @TableField(typeHandler = HotEventCreationMethodHandler.class,jdbcType = JdbcType.INTEGER)
    private CreationMethodEnum creationMethod;

}

public enum CreationMethodEnum {
    SYSTEM(0, "系統(tǒng)導(dǎo)入"),
    MANUAL_CREATE(1, "手動(dòng)導(dǎo)入");

    /**
     * 用于排序
     */
    private Integer value;

    private String msg;

    CreationMethodEnum(Integer value, String msg) {
        this.value = value;
        this.msg = msg;
    }

    public Integer getValue() {
        return value;
    }

    public String getMsg() {
        return msg;
    }

    public static CreationMethodEnum valueOf(int value) {
        for (CreationMethodEnum creationMethodEnum : CreationMethodEnum.values()) {
            if (creationMethodEnum.value.equals(value)) {
                return creationMethodEnum;
            }
        }
        return null;
    }
}

public class HotEventCreationMethodHandler implements TypeHandler<CreationMethodEnum> {

    @Override
    public void setParameter(PreparedStatement preparedStatement, int i, CreationMethodEnum creationMethodEnum, JdbcType jdbcType) throws SQLException {
        preparedStatement.setInt(i,creationMethodEnum.getValue());
    }

    @Override
    public CreationMethodEnum getResult(ResultSet resultSet, String columnName) throws SQLException {
        int anInt = resultSet.getInt(columnName);
        return CreationMethodEnum.valueOf(anInt);
    }

    @Override
    public CreationMethodEnum getResult(ResultSet resultSet, int i) throws SQLException {
        int anInt = resultSet.getInt(i);
        return CreationMethodEnum.valueOf(anInt);
    }

    @Override
    public CreationMethodEnum getResult(CallableStatement callableStatement, int i) throws SQLException {
        int anInt = callableStatement.getInt(i);
        return CreationMethodEnum.valueOf(anInt);
    }
}

 @Test
    public void pageContents() {
      HotEvent hotEvent = HotEvent.builder()
                .eventName("測試事件名稱")
                .eventOverview("測試測試")
                .eventType(EventTypeEnum.FUND)
                .bizId("1245454")
                .creationMethod(CreationMethodEnum.MANUAL_CREATE)
                .publishingTime(LocalDateTime.now())
                .url("http://baidu.com")
                .publishingAgency("機(jī)構(gòu)")
                .build();
        hotEventDao.insert(hotEvent);
        List<HotEvent> hotEvents = hotEventDao.selectList(Wrappers.<HotEvent>lambdaQuery().eq(HotEvent::getCreationMethod, 1));
     
    }

@TableName(value = "hot_event",autoResultMap = true)

org.apache.ibatis.executor.resultset.DefaultResultSetHandler#handleResultSet
org.apache.ibatis.executor.resultset.DefaultResultSetHandler#getRowValue(org.apache.ibatis.executor.resultset.ResultSetWrapper, org.apache.ibatis.mapping.ResultMap, java.lang.String)

private Object getRowValue(ResultSetWrapper rsw, ResultMap resultMap, String columnPrefix) throws SQLException {
    final ResultLoaderMap lazyLoader = new ResultLoaderMap();
   //創(chuàng)建java實(shí)體對象
    Object rowValue = createResultObject(rsw, resultMap, lazyLoader, columnPrefix);
    if (rowValue != null && !hasTypeHandlerForResultObject(rsw, resultMap.getType())) {
        final MetaObject metaObject = configuration.newMetaObject(rowValue);
        boolean foundValues = this.useConstructorMappings;
        if (shouldApplyAutomaticMappings(resultMap, false)) {
            foundValues = applyAutomaticMappings(rsw, resultMap, metaObject, columnPrefix) || foundValues;
        }
        foundValues = applyPropertyMappings(rsw, resultMap, metaObject, lazyLoader, columnPrefix) || foundValues;
        foundValues = lazyLoader.size() > 0 || foundValues;
        rowValue = foundValues || configuration.isReturnInstanceForEmptyRow() ? rowValue : null;
    }
    return rowValue;
}

org.apache.ibatis.executor.resultset.DefaultResultSetHandler#createResultObject(org.apache.ibatis.executor.resultset.ResultSetWrapper, org.apache.ibatis.mapping.ResultMap, java.util.List<java.lang.Class<?>>, java.util.List<java.lang.Object>, java.lang.String)

 private Object createResultObject(ResultSetWrapper rsw, ResultMap resultMap, List<Class<?>> constructorArgTypes, List<Object> constructorArgs, String columnPrefix)
      throws SQLException {
    final Class<?> resultType = resultMap.getType();
    final MetaClass metaType = MetaClass.forClass(resultType, reflectorFactory);
    final List<ResultMapping> constructorMappings = resultMap.getConstructorResultMappings();
    if (hasTypeHandlerForResultObject(rsw, resultType)) {
      return createPrimitiveResultObject(rsw, resultMap, columnPrefix);
    } else if (!constructorMappings.isEmpty()) {
      return createParameterizedResultObject(rsw, resultType, constructorMappings, constructorArgTypes, constructorArgs, columnPrefix);
    } else if (resultType.isInterface() || metaType.hasDefaultConstructor()) {
      return objectFactory.create(resultType);
    } else if (shouldApplyAutomaticMappings(resultMap, false)) {
      return createByConstructorSignature(rsw, resultType, constructorArgTypes, constructorArgs);
    }
    throw new ExecutorException("Do not know how to create an instance of " + resultType);
  }

/**
 * @author liuxishan 2023/6/2
 */
@Data
@Builder
@TableName(value = "hot_event",autoResultMap = false)
@EqualsAndHashCode(callSuper = true)
@AllArgsConstructor
@NoArgsConstructor
public class HotEvent extends BaseAuditor {
    @TableId(type = IdType.ASSIGN_ID)
    private String id;
   ············
   ············ 
    /**
     * 創(chuàng)建方式
     */
    @TableField(typeHandler = HotEventCreationMethodHandler.class,jdbcType = JdbcType.INTEGER)
    private CreationMethodEnum creationMethod;

}

   List<HotEvent> hotEvents = hotEventDao.selectList(
       Wrappers.<HotEvent>lambdaQuery().eq(HotEvent::getCreationMethod, CreationMethodEnum.MANUAL_CREATE)
   );

   List<HotEvent> hotEvents = hotEventDao.selectList(
       Wrappers.<HotEvent>lambdaQuery().eq(HotEvent::getCreationMethod,1)
   );