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com.alibaba.nacos.plugin.datasource.mapper.GroupCapacityMapper Maven / Gradle / Ivy
/*
* Copyright 1999-2022 Alibaba Group Holding Ltd.
*
* 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.
*/
package com.alibaba.nacos.plugin.datasource.mapper;
import com.alibaba.nacos.common.utils.CollectionUtils;
import com.alibaba.nacos.common.utils.NamespaceUtil;
import com.alibaba.nacos.plugin.datasource.constants.FieldConstant;
import com.alibaba.nacos.plugin.datasource.constants.TableConstant;
import com.alibaba.nacos.plugin.datasource.model.MapperContext;
import com.alibaba.nacos.plugin.datasource.model.MapperResult;
import java.util.ArrayList;
import java.util.List;
/**
* The tenant capacity info mapper.
*
* @author lixiaoshuang
*/
public interface GroupCapacityMapper extends Mapper {
/**
* INSERT INTO SELECT statement. Used to insert query results into a table.
*
* Example: INSERT INTO group_capacity (group_id, quota,`usage`, `max_size`, max_aggr_count,
* max_aggr_size,gmt_create, gmt_modified) SELECT ?, ?, count(*), ?, ?, ?, ?, ? FROM config_info;
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult insertIntoSelect(MapperContext context) {
List paramList = new ArrayList<>();
paramList.add(context.getUpdateParameter(FieldConstant.GROUP_ID));
paramList.add(context.getUpdateParameter(FieldConstant.QUOTA));
paramList.add(context.getUpdateParameter(FieldConstant.MAX_SIZE));
paramList.add(context.getUpdateParameter(FieldConstant.MAX_AGGR_COUNT));
paramList.add(context.getUpdateParameter(FieldConstant.MAX_AGGR_SIZE));
paramList.add(context.getUpdateParameter(FieldConstant.GMT_CREATE));
paramList.add(context.getUpdateParameter(FieldConstant.GMT_MODIFIED));
String sql =
"INSERT INTO group_capacity (group_id, quota, usage, max_size, max_aggr_count, max_aggr_size,gmt_create,"
+ " gmt_modified) SELECT ?, ?, count(*), ?, ?, ?, ?, ? FROM config_info";
return new MapperResult(sql, paramList);
}
/**
* INSERT INTO SELECT statement. Used to insert query results into a table.
*
* Where condition: group_id=? AND tenant_id = '{defaultNamespaceId}'
*
*
Example: INSERT INTO group_capacity (group_id, quota,`usage`, `max_size`, max_aggr_count,
* max_aggr_size,gmt_create, gmt_modified) SELECT ?, ?, count(*), ?, ?, ?, ?, ? FROM config_info where group_id=?
* AND tenant_id = '{defaultNamespaceId}';
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult insertIntoSelectByWhere(MapperContext context) {
final String sql =
"INSERT INTO group_capacity (group_id, quota, usage, max_size, max_aggr_count, max_aggr_size, gmt_create,"
+ " gmt_modified) SELECT ?, ?, count(*), ?, ?, ?, ?, ? FROM config_info WHERE group_id=? AND tenant_id = '"
+ NamespaceUtil.getNamespaceDefaultId() + "'";
List paramList = new ArrayList<>();
paramList.add(context.getUpdateParameter(FieldConstant.GROUP_ID));
paramList.add(context.getUpdateParameter(FieldConstant.QUOTA));
paramList.add(context.getUpdateParameter(FieldConstant.MAX_SIZE));
paramList.add(context.getUpdateParameter(FieldConstant.MAX_AGGR_COUNT));
paramList.add(context.getUpdateParameter(FieldConstant.MAX_AGGR_SIZE));
paramList.add(context.getUpdateParameter(FieldConstant.GMT_CREATE));
paramList.add(context.getUpdateParameter(FieldConstant.GMT_MODIFIED));
paramList.add(context.getWhereParameter(FieldConstant.GROUP_ID));
return new MapperResult(sql, paramList);
}
/**
* used to increment usage field.
*
* Where condition: group_id = ? AND usage < ? AND quota = 0;
*
*
Example: UPDATE group_capacity SET `usage` = `usage` + 1, gmt_modified = ? WHERE group_id = ? AND `usage` < ?
* AND
* quota = 0;
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult incrementUsageByWhereQuotaEqualZero(MapperContext context) {
return new MapperResult(
"UPDATE group_capacity SET usage = usage + 1, gmt_modified = ? WHERE group_id = ? AND usage < ? AND quota = 0",
CollectionUtils.list(context.getUpdateParameter(FieldConstant.GMT_MODIFIED),
context.getWhereParameter(FieldConstant.GROUP_ID),
context.getWhereParameter(FieldConstant.USAGE)));
}
/**
* used to increment usage field.
*
*
Where condition: group_id = ? AND usage < quota AND quota != 0
*
*
Example: UPDATE group_capacity SET `usage` = `usage` + 1, gmt_modified = ? WHERE group_id = ? AND `usage` <
* quota
* AND quota != 0;
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult incrementUsageByWhereQuotaNotEqualZero(MapperContext context) {
return new MapperResult(
"UPDATE group_capacity SET usage = usage + 1, gmt_modified = ? WHERE group_id = ? AND usage < quota AND quota != 0",
CollectionUtils.list(context.getUpdateParameter(FieldConstant.GMT_MODIFIED),
context.getWhereParameter(FieldConstant.GROUP_ID)));
}
/**
* used to increment usage field.
*
*
Where condition: group_id = ?
*
*
Example: UPDATE group_capacity SET `usage` = `usage` + 1, gmt_modified = ? WHERE group_id = ?;
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult incrementUsageByWhere(MapperContext context) {
return new MapperResult("UPDATE group_capacity SET usage = usage + 1, gmt_modified = ? WHERE group_id = ?",
CollectionUtils.list(context.getUpdateParameter(FieldConstant.GMT_MODIFIED),
context.getWhereParameter(FieldConstant.GROUP_ID)));
}
/**
* used to decrement usage field.
*
*
Where condition: group_id = ? AND `usage` > 0
*
*
Example: UPDATE group_capacity SET `usage` = `usage` - 1, gmt_modified = ? WHERE group_id = ? AND `usage` >
* 0;
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult decrementUsageByWhere(MapperContext context) {
return new MapperResult(
"UPDATE group_capacity SET usage = usage - 1, gmt_modified = ? WHERE group_id = ? AND usage > 0",
CollectionUtils.list(context.getUpdateParameter(FieldConstant.GMT_MODIFIED),
context.getWhereParameter(FieldConstant.GROUP_ID)));
}
/**
* used to update usage field.
*
*
Example: UPDATE group_capacity SET `usage` = (SELECT count(*) FROM config_info), gmt_modified = ? WHERE
* group_id = ?;
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult updateUsage(MapperContext context) {
return new MapperResult(
"UPDATE group_capacity SET usage = (SELECT count(*) FROM config_info), gmt_modified = ? WHERE group_id = ?",
CollectionUtils.list(context.getUpdateParameter(FieldConstant.GMT_MODIFIED),
context.getWhereParameter(FieldConstant.GROUP_ID)));
}
/**
* used to update usage field.
*
*
Where condition: group_id=? AND tenant_id = '{defaultNamespaceId}'
*
*
Example: UPDATE group_capacity SET `usage` = (SELECT count(*) FROM config_info WHERE group_id=? AND tenant_id
* =
* ''), gmt_modified = ? WHERE group_id= ?;
*
* @param context sql paramMap
* @return sql.
*/
default MapperResult updateUsageByWhere(MapperContext context) {
return new MapperResult(
"UPDATE group_capacity SET usage = (SELECT count(*) FROM config_info WHERE group_id=? AND tenant_id = '"
+ NamespaceUtil.getNamespaceDefaultId() + "')," + " gmt_modified = ? WHERE group_id= ?",
CollectionUtils.list(context.getWhereParameter(FieldConstant.GROUP_ID),
context.getUpdateParameter(FieldConstant.GMT_MODIFIED),
context.getWhereParameter(FieldConstant.GROUP_ID)));
}
/**
* used to select group info.
*
*
Example: SELECT id, group_id FROM group_capacity WHERE id>? LIMIT ?;
*
* @param context sql paramMap
* @return sql.
*/
MapperResult selectGroupInfoBySize(MapperContext context);
/**
* 获取返回表名.
*
* @return 表名
*/
default String getTableName() {
return TableConstant.GROUP_CAPACITY;
}
}
