/*
* Copyright 1999-2015 dangdang.com.
* <p>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* </p>
*/
package com.dangdang.ddframe.rdb.sharding.parser.result;
import com.google.common.collect.Table;
import com.google.common.collect.TreeBasedTable;
import lombok.Getter;
import lombok.Setter;
import lombok.ToString;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/**
* 自动生成键上下文.
*
* @author gaohongtao
*/
@ToString
public class GeneratedKeyContext {
@Getter
private final List<String> columns = new LinkedList<>();
@Getter
private final Map<String, Integer> columnNameToIndexMap = new HashMap<>();
@Getter
private final Table<Integer, Integer, Object> valueTable = TreeBasedTable.create();
private int rowIndex;
private int columnIndex;
@Setter
@Getter
private int autoGeneratedKeys;
@Setter
@Getter
private int[] columnIndexes;
@Setter
@Getter
private String[] columnNames;
/**
* 放入生成的键值.
*
* @param columnName 列名称
* @param value 键值
*/
public void putValue(final String columnName, final Object value) {
valueTable.put(rowIndex, columnIndex, value);
columnNameToIndexMap.put(columnName, columnIndex);
columnIndex++;
}
/**
* 结果集增加一行.
*/
public void addRow() {
rowIndex++;
columnIndex = 0;
}
}