package com.data.datarepo.services; import com.data.datarepo.utils.DataSource; import com.mysql.cj.jdbc.MysqlDataSource; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; public class DataAllService { DataService dataService=new DataService(); public void selectAll() throws SQLException { Connection connection = null; String selectSQL = "select repo_name from data_sync_table"; PreparedStatement prepStmt = null; try { MysqlDataSource basicDS = DataSource.getInstance().getMySqlDS(); connection = basicDS.getConnection(); prepStmt = connection.prepareStatement(selectSQL); ResultSet rs = prepStmt.executeQuery(); while(rs.next()){ // dataService.testSelect(rs.getString("repo_name"),rs.getString("table_name"),rs.getString("table_name")); } }catch (Exception e){ e.printStackTrace(); }finally { if (prepStmt != null) { prepStmt.close(); } if (connection != null) { connection.close(); } } } }