DolphinScheduler/dolphinscheduler-tools/src/main/java/org/apache/dolphinscheduler/tools/datasource/dao/WorkerGroupDao.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.dolphinscheduler.tools.datasource.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.HashMap;
import java.util.Map;

import lombok.extern.slf4j.Slf4j;

@Deprecated
@Slf4j
public class WorkerGroupDao {

    /**
     * query all old worker group
     * @param conn jdbc connection
     * @return old worker group Map
     */
    public Map<Integer, String> queryAllOldWorkerGroup(Connection conn) {
        Map<Integer, String> workerGroupMap = new HashMap<>();

        String sql = "select id,name from t_ds_worker_group";
        try (
                PreparedStatement pstmt = conn.prepareStatement(sql);
                ResultSet rs = pstmt.executeQuery()) {

            while (rs.next()) {
                int id = rs.getInt(1);
                String name = rs.getString(2);
                workerGroupMap.put(id, name);
            }

        } catch (Exception e) {
            log.error(e.getMessage(), e);
            throw new RuntimeException("sql: " + sql, e);
        }

        return workerGroupMap;
    }
}