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60 lines
1.6 KiB
60 lines
1.6 KiB
package com.fanruan.api.data.open; |
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import com.fanruan.api.err.TableDataException; |
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import com.fr.data.AbstractDataModel; |
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/** |
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* @author richie |
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* @version 10.0 |
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* Created by richie on 2019-09-04 |
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* 二维表模型 |
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*/ |
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public abstract class BaseDataModel extends AbstractDataModel { |
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/** |
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* 获取数据集的列数 |
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* |
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* @return 列数 |
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* @throws TableDataException 如果获取数据集列数失败，则抛出此异常 |
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*/ |
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@Override |
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public abstract int getColumnCount() throws TableDataException; |
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/** |
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* 获取数据集指定列的列名 |
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* |
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* @param rowIndex 列序号 |
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* @return 类名 |
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* @throws TableDataException 如果获取列名失败，则抛出此异常 |
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*/ |
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@Override |
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public abstract String getColumnName(int rowIndex) throws TableDataException; |
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/** |
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* 湖区数据集的行数 |
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* |
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* @return 行数 |
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* @throws TableDataException 如果获取数据集行数失败，则抛出此异常 |
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*/ |
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@Override |
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public abstract int getRowCount() throws TableDataException; |
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/** |
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* 获取数据集中指定位置的值 |
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* |
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* @param rowIndex 行 |
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* @param columnIndex 列 |
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* @return 值 |
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* @throws TableDataException 如果获取值失败，则抛出此异常 |
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*/ |
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@Override |
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public abstract Object getValueAt(int rowIndex, int columnIndex) throws TableDataException; |
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/** |
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* 释放一些构建数据集过程中占用的资源 |
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* |
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* @throws Exception 释放资源时发生错误则抛出此异常 |
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*/ |
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@Override |
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public abstract void release() throws Exception; |
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}
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